Product Description
Ingersoll Rand Oil Free Screw Air Compressor
Model: IRN125H-OF
CHINAMFG Rand (NYSE:IR) advances the quality of life by creating comfortable, sustainable and efficient environments. Our people and our family of brands-including Club Car , CHINAMFG Rand , CHINAMFG King and Trane -work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency. We are a $13 billion global business committed to a world of sustainable progress and enduring results.
CHINAMFG Rand, IR, the IR logo, PAC software, V-Shield and Ultra Coolant are trademarks of CHINAMFG Rand, its subsidiaries and/or affiliates. All other trademarks are the property of their respective owners. CHINAMFG Rand compressors are not designed, intended or approved for breathing air applications. CHINAMFG Rand does not approve specialised equipment for breathing air applications and assumes no responsibility or liability for compressors used for breathing air service. Nothing contained on these pages is intended to extend any warranty or representation, expressed or implied, regarding the product described herein. Any such warranties or other terms and conditions of sale of products shall be in accordance with CHINAMFG Rand’s standard terms and conditions of sale for such products, which are available CHINAMFG request. Product improvement is a continuing goal at CHINAMFG Rand. Any designs, diagrams, pictures, photographs and specifications contained within this document are for representative purposes only and may include optional scope and/or functionality and are subject to change without notice or obligation.
Our company’s purpose – to help make life better by relying on us – and the set of values that define us are the foundation of our company’s culture and success. We think and act like owners, taking responsibility for our own actions and always striving to care for our neighbors and create a brighter, healthier shared planet for everyone. We are committed to the success of our customers. Our goal is to operate with clarity and straightforwardness, building lifelong, ongoing and meaningful connections with our customers.
We are driven by a spirit of action and an entrepreneurial spirit of innovation and progress; we accept and embrace the many challenges that come with such responsibility. We speak honestly, admit mistakes, and always strive for openness and clarity. We have bold ambitions while moving CHINAMFG with humility and integrity, striving to earn trust every day. We have the expertise and experience to solve the toughest problems, but no matter how difficult the challenge, we are always sincere and humble. We are committed to fostering team innovation and cultivating and celebrating a culture that embraces diverse opinions, backgrounds and experiences. Employees who are driven by our purpose and values are an unstoppable force that strengthens our ability to deliver benefits to our stakeholders and ensure the long-term health and safety of our company.
Bestrand is a leading supplier of compressed air system. Past 10 years, we established very good partnership with CHINAMFG Rand. We have provided all kinds of products from CHINAMFG Rand include air compressor, after treatment, spare parts to customers all over the world. Pls feel free to contact us for a quote.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Lubricated |
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| Cooling System: | Air Cooling or Water Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
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What is the purpose of an air compressor?
An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:
1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.
2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.
3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.
4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.
5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.
6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.
Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.


editor by CX 2024-02-14
China OEM 160kw 200HP High Pressure Oil Free Water Lubrication Screw Air Compressor for Chemical Petroleum with high quality
Product Description
Product Description
1. China-Japan latest technology cooperation, high reliability.
2. Oil Cooling Permanent Magnetic Motor.
3. IP65 protection grade & heavy duty air filter, suitable for high dusty environment.
4. IE4 Efficiency motor efficiency.
5. Most energy saving mode, Only work at loading.
6. Wide frequency range 25%-100%.
7. Premium Magnetic material resist more than 180ºC temp.
8. Reliable PM motor supplier from Italy.
9. Direct Taper connection, no transmission power loss, easy maintenance.
10.Touch Screen PLC with preset running schedule, more intelligent control.
11. Both main motor and fan motor are inverter control, more accurate control.
12. Easy for installation and service.
13. Fantastic Energy Saving, save up to more than 30-40%.
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After-sales Service |
Engineers available to service overseas |
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OEM |
Welcomed (we have 5professional R&D engineers to do design & customizing service according to client’s different requirement) |
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Application
Packaging & Shipping
FAQ
1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2.why should you buy from us not from other suppliers?
Responsibility, high quality, on time delivery
3. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,FCA,DDP,DDU,Express Delivery,DAF;
Accepted Payment Currency:USD,EUR,AUD,CNY;
Accepted Payment Type: T/T,PayPal,Western Union;
Language Spoken:English,Chinese
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 18 Mounth |
|---|---|
| Warranty: | 18 Mounth |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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What Are the Key Components of a Water-Lubrication System in Compressors?
A water-lubrication system in compressors typically consists of several key components that work together to provide lubrication and cooling to the compressor. Here’s a detailed explanation of the key components of a water-lubrication system in compressors:
Water Supply:
- Water Source: The water-lubrication system requires a water source that provides clean and suitable water for lubrication. The water can be sourced from various places such as municipal water supply, well water, or treated water from a dedicated water treatment system.
- Water Inlet: The water inlet is the entry point where water enters the compressor’s lubrication system. It may include valves, filters, or other components to regulate and control the water flow.
Lubrication System:
- Water Jackets: Water jackets are channels or passages built into the compressor’s housing or cylinder walls. These jackets allow water to circulate and come into direct contact with the compressor’s moving parts, providing lubrication and cooling. The water jackets help dissipate heat generated during compression and prevent excessive temperatures that could damage the compressor.
- Water Pump: The water pump is responsible for circulating water through the water jackets and the entire lubrication system. It provides the necessary pressure to ensure adequate water flow and distribution to the compressor’s components.
- Flow Control Devices: Flow control devices, such as valves or flow restrictors, are often included in the water-lubrication system to regulate and control the water flow rate. These devices help maintain optimal water pressure and flow throughout the system, ensuring effective lubrication and cooling.
- Water Filters: Water filters are used to remove impurities, sediment, or debris from the water before it enters the lubrication system. They help prevent blockages, protect the compressor’s components from damage, and maintain the quality of the water used for lubrication.
- Water Separator: A water separator is a component that removes excess water, moisture, or condensate from the compressed air. It ensures that the compressed air leaving the compressor is dry and free from excess water content, preventing potential issues such as corrosion or contamination downstream.
Control and Monitoring:
- Temperature Sensors: Temperature sensors are used to monitor the temperature of the water and the compressor components. They provide feedback to the control system, allowing for adjustments in water flow or cooling measures if required to maintain optimal operating conditions.
- Pressure Sensors: Pressure sensors are employed to monitor the water pressure within the lubrication system. They help ensure that the water flow and pressure are within the desired range, allowing for proper lubrication and cooling of the compressor.
- Control System: A control system, which may include a combination of sensors, valves, and controllers, is responsible for regulating and maintaining the operation of the water-lubrication system. It can monitor various parameters, such as temperature, pressure, and flow, and make adjustments as needed to ensure efficient and safe operation.
Regular maintenance, inspection, and monitoring of the key components of the water-lubrication system are essential to ensure its proper functioning and to prevent any issues that could affect the performance and longevity of the compressor.
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What Are the Considerations for Choosing Water-Lubricated vs. Oil-Lubricated Compressors?
When selecting between water-lubricated and oil-lubricated compressors, several considerations come into play. Here’s a detailed explanation of the key factors to consider when choosing between these two types:
Operating Environment:
- Water Sensitivity: Water-lubricated compressors are well-suited for environments where water is readily available and can be easily supplied to the compressor system. On the other hand, oil-lubricated compressors are more suitable for applications where water is not readily available or where water contamination could pose a problem.
- Cleanliness Requirements: If the application demands a high level of cleanliness, such as in certain manufacturing processes or cleanroom environments, water-lubricated compressors may be preferred. Water is inherently cleaner than oil and reduces the risk of oil contamination in sensitive operations.
Maintenance and Service:
- Lubricant Replacement: Oil-lubricated compressors require regular oil changes and maintenance to ensure proper lubrication and performance. Water-lubricated compressors, on the other hand, eliminate the need for oil changes and associated maintenance tasks, simplifying the maintenance requirements.
- Oil Contamination: Oil-lubricated compressors carry the risk of oil contamination in the compressed air system. This can be a concern in certain applications where oil contamination can negatively impact product quality or downstream equipment. Water-lubricated compressors reduce the risk of oil contamination, making them advantageous in such applications.
Environmental Impact:
- Oil Disposal: Oil-lubricated compressors generate used oil that requires proper disposal in accordance with environmental regulations. Water-lubricated compressors eliminate the need for oil disposal, contributing to a reduced environmental impact.
- Energy Efficiency: In terms of energy efficiency, water-lubricated compressors tend to have an advantage. Water has a higher specific heat capacity than oil, meaning it can absorb and dissipate heat more effectively. This can result in improved cooling efficiency and potentially lower energy consumption compared to oil-lubricated compressors.
Application-Specific Factors:
- Operating Pressure: Water-lubricated compressors are generally suitable for lower to moderate operating pressures. Oil-lubricated compressors, on the other hand, can handle higher operating pressures, making them more appropriate for applications that require higher pressure levels.
- Temperature Sensitivity: Water-lubricated compressors may have limitations in applications where low temperatures are encountered. Water freezing or becoming slushy can cause operational issues. Oil-lubricated compressors, with appropriate low-temperature oil formulations, can better handle such temperature-sensitive conditions.
Cost Considerations:
- Initial Cost: Water-lubricated compressors generally have a lower initial cost compared to oil-lubricated compressors. This cost advantage can be attractive for applications with budget constraints.
- Maintenance Cost: Over the long term, water-lubricated compressors may have lower maintenance costs due to the elimination of oil changes and associated maintenance tasks. However, it’s important to consider the specific maintenance requirements and costs associated with each type of compressor.
By considering these factors, including the operating environment, maintenance and service requirements, environmental impact, application-specific factors, and cost considerations, one can make an informed decision when choosing between water-lubricated and oil-lubricated compressors.
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Are Water-Lubricated Air Compressors Suitable for Food and Beverage Industries?
Water-lubricated air compressors can be highly suitable for the food and beverage industries due to several reasons:
- Food-grade lubrication: Water is a natural and food-grade lubricant. It does not introduce harmful contaminants or chemicals into the production process, ensuring the safety and quality of food and beverage products. Water lubrication eliminates the risk of oil contamination in food products that can occur with oil-lubricated compressors.
- Compliance with hygiene standards: The food and beverage industries have strict hygiene standards and regulations. Water-lubricated air compressors align with these standards as water is a clean and sanitary lubricant. It minimizes the risk of cross-contamination and helps maintain a hygienic production environment.
- Reduced risk of product contamination: Water lubrication eliminates the possibility of oil carryover or oil vapor entering the compressed air system. This reduces the risk of oil contamination in food and beverage products, ensuring their purity and quality.
- Improved product shelf life: Oil-lubricated compressors can release oil aerosols or vapors that may negatively affect the taste, odor, or quality of food and beverage products. Water-lubricated compressors eliminate this concern, contributing to improved product shelf life and maintaining the desired sensory attributes.
- Easy cleanup and maintenance: Water lubrication simplifies cleanup and maintenance procedures in food and beverage production facilities. Water does not leave behind sticky residues or require extensive cleaning processes. It facilitates faster and more efficient cleaning, reducing downtime and improving overall productivity.
- Environmental friendliness: Water is a sustainable and environmentally friendly lubricant choice. It is non-toxic, biodegradable, and does not contribute to air or water pollution. Using water-lubricated air compressors aligns with the sustainability goals of the food and beverage industries.
Considering these factors, water-lubricated air compressors are well-suited for the food and beverage industries, ensuring compliance with hygiene standards, preventing product contamination, and promoting a safe and sustainable production environment.


editor by CX 2024-02-14
China manufacturer 5.5-630 Kw Low Noise Electric Water Lubricated/Injected Oil Free Oilless Direct Coupling Rotary Screw Type Air Compressor air compressor repair near me
Product Description
5.5-630 Kw Low Noise Electric Water Lubricated/Injected Oil Free Oilless Direct Coupling Rotary Screw Type Air Compressor
1. Photo & Features for our Twin Rotary screw air compressor :
2. Advantages for our ZheJiang Great Air Compressor CO.,ltd
| Our company advantages | 1. Over 60 years China professsinal manufacture for air compressor ,An ISO9000 company |
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2.European standard,China made &factory directly supply |
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3. Superior porformance &high efficiency with reasonable price |
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4. Low power consumptions for more output |
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5. Trouble free & cost saving |
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6. Timely pre-sale and after-sale service |
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| 7. Easy operatation &maintenance |
3.Technical Parameters for Great Brand !!! AC Rotary Screw Air Compressor Industrial with Best Quality and Lower Price
Products range :
Motor power:5.5kw-630 kw/7.5hp-840hp , flow capacity:0.6-111 m³/min, pressure: 7-13 bar
| Model | TKL-2F | TKL-3F | TKL-4F | TKL-5F | TKL-7F | TKL-11F | TKL-15F | TKL-18F | TKL-22F | TKL-30F | TKL-37F | TKL-45F/W | TKL-55F/W | TKL-75F/W | TKL-90F/W |
| Air displacemen/ Exhause pressure (m3/min/Mpa) |
0.33/0.7 | 0.43/0.7 | 0.6/0.7 | 0.8/0.7 | 1.23/0.7 | 1.65/0.7 | 2.7/0.7 | 3.0/0.7 | 3.6/0.7 | 5.2/0.7 | 6.6/0.7 | 7.8/0.7 | 10.1/10.7 | 13.5/0.7 | 16.3/0.7 |
| 0.33/0.8 | 0.4/0.8 | 0.55/0.8 | 0.7/0.8 | 1.16/0.8 | 1.62/0.8 | 2.5/0.8 | 2.92/0.8 | 3.53/0.8 | 5.0/0.8 | 6.3/0.8 | 7.5/0.8 | 9.8/0.8 | 12.3/0.8 | 15.6/0.8 | |
| 0.25/1.0 | 0.36/1.0 | 0.5/1.0 | 0.65/1.0 | 1.02/1.0 | 1.4/1.0 | 2.0/1.0 | 2.7/1.0 | 3.2/1.0 | 4.5/1.0 | 5.6/1.0 | 6.8/1.0 | 8.8/1.0 | 11.0/1.0 | 14.2/1.0 | |
| 0.22/1.3 | 0.3/1.3 | 0.45/1.3 | 0.6/1.3 | 0.86/1.3 | 1.21/1.3 | 1.8/1.3 | 2.2/1.3 | 2.4/1.3 | 3.5/1.3 | 4.8/1.3 | 5.8/1.3 | 7.2/1.3 | 9.0/1.3 | 11.5/1.3 | |
| Power/ (Kw) | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | 55 | 75 | 90 |
| Ooltage (V/Hz) | 380V/50Hz | ||||||||||||||
| Noise (±3,dBa) | 63 | 63 | 65 | 65 | 67 | 67 | 68 | 70 | 72 | 73 | 74 | 75 | 76 | 78 | 78 |
| Exhaust temprature | Wind cooling type <=Environmental temperature+13ºC, Water cooling type <=40ºC, | ||||||||||||||
| Outlet pipe size | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 3/4″ | 1″ | 1″ | 1″ | 1 1/2″ | 1 1/2″ | 1 1/2″ | DN50 | DN50 | DN50 |
| Weight (Kg) | 260 | 280 | 300 | 350 | 360 | 400 | 430 | 590 | 650 | 950 | 980 | 1050 | 1850 | 1900 | 2100 |
| Dimensions (mm) | 800*760*1102 | 800*760*1102 | 800*760* 1102 |
800*760* 1102 |
800*760* 1102 |
950*760*1202 | 900*1000*1290 | belt type 900*1000*1290 | 1500*950*1280 | 1600*1100*1430 | 1900*1150*1500 | 2000*1150*1680 | |||
| strait type 1350*850*1257 | |||||||||||||||
| Model | TKL-110 F/W |
TKL-132 F/W |
TKL-160 F/W |
TKL-185 F/W |
TKL-200 F/W |
TKL-220 F/W |
TKL-250 F/W |
TKL-280 F/W |
TKL- 315W |
TKL- 355W |
TKL- 400W |
TKL- 450W |
TKL- 500W |
TKL- 560W |
TKL- 630W |
| Air displacemen/ Exhause pressure (m3/min/Mpa) |
20.4/0.7 | 24/0.7 | 27.8/0.7 | 32.5/0.7 | 35/0.7 | 40.7/0.7 | 45.3/0.7 | 51.5/0.7 | 57/0.7 | 68/0.7 | 73.6/0.7 | 83/0.7 | 90/10.7 | 101/0.7 | 111/0.7 |
| 20/0.8 | 23/0.8 | 27.1/0.8 | 30.5/0.8 | 33.3/0.8 | 38.2/0.8 | 43/0.8 | 50.5/0.8 | 55.5/0.8 | 66.2/0.8 | 71.4/0.8 | 82/0.8 | 89/0.8 | 100/0.8 | 110/0.8 | |
| 17.8/1 | 21/1.0 | 25.2/1.0 | 27/1.0 | 30.6/1.0 | 34.5/1.0 | 38.1/1.0 | 43/1.0 | 50.5/1.0 | 55.6/1.0 | 62/1.0 | 73/1.0 | 80/1.0 | 86/1.0 | 95/1.0 | |
| 14.5/1.3 | 18.1/1.3 | 21.2/1.3 | 23.6/1.3 | 26.3/1.3 | 29.8/1.3 | 35/1.3 | 38.3/1.3 | 42.1/1.3 | 46.5/1.3 | 52.5/1.3 | 60/1.3 | 68/1.3 | |||
| Power/ (Kw) | 110 | 132 | 160 | 185 | 200 | 220 | 250 | 280 | 315 | 355 | 400 | 450 | 500 | 560 | 630 |
| Ooltage (V/Hz) | 380V/50Hz | 380-10000V/50Hz | |||||||||||||
| Noise (±3,dBa) | 78 | 78 | 78 | 78 | 80 | 80 | 80 | 80 | 80 | 80 | 82 | 82 | 82 | 82 | 82 |
| Exhaust temprature | Wind cooling type <=Environmental temperature+13ºC, Water cooling type <=40ºC, | ||||||||||||||
| Outlet pipe size | DN80 | DN80 | DN80 | DN80 | DN100 | DN100 | DN100 | DN100 | DN125 | DN125 | DN150 | DN150 | DN150 | DN200 | DN200 |
| Weight (Kg) | 3300 | 3500 | 4000 | 4600 | 4700 | 5100 | 5100 | 5500 | 7500 | 8300 | 8400 | 9000 | 9500 | 10000 | 10000 |
| Dimensions (mm) | F 2800*1540*1900 | F 2800*1540*1900 | F 3150*1650*1900 | F 3100*1940*2389 | F 3400*2000*2330 | 4500*200*2462 | 4650*2340*2835 | ||||||||
| W 2400*1540*1900 | W 2400*1540*1900 | W 2600*1700*1980 | W 2600*1700*1980 | W 3200*1800*2125 | |||||||||||
4. Certificate :
5.Applications:
7. FAQ:
Q1: Are you factory or trade company?
A1: We are factory.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: How long will you take to arrange production?
A4: 380V 50HZ we can delivery the goods within 20 days. Other voltage we will delivery within 30 days.
Q5: Can you accept OEM orders?
A5: Yes, with professional design team, OEM orders are highly welcome!
8. Contact:
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Lubricated |
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| Cooling System: | Air Cooling |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Type: | Twin-Screw Compressor |
| Customization: |
Available
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What Are the Key Components of a Water-Lubrication System in Compressors?
A water-lubrication system in compressors typically consists of several key components that work together to provide lubrication and cooling to the compressor. Here’s a detailed explanation of the key components of a water-lubrication system in compressors:
Water Supply:
- Water Source: The water-lubrication system requires a water source that provides clean and suitable water for lubrication. The water can be sourced from various places such as municipal water supply, well water, or treated water from a dedicated water treatment system.
- Water Inlet: The water inlet is the entry point where water enters the compressor’s lubrication system. It may include valves, filters, or other components to regulate and control the water flow.
Lubrication System:
- Water Jackets: Water jackets are channels or passages built into the compressor’s housing or cylinder walls. These jackets allow water to circulate and come into direct contact with the compressor’s moving parts, providing lubrication and cooling. The water jackets help dissipate heat generated during compression and prevent excessive temperatures that could damage the compressor.
- Water Pump: The water pump is responsible for circulating water through the water jackets and the entire lubrication system. It provides the necessary pressure to ensure adequate water flow and distribution to the compressor’s components.
- Flow Control Devices: Flow control devices, such as valves or flow restrictors, are often included in the water-lubrication system to regulate and control the water flow rate. These devices help maintain optimal water pressure and flow throughout the system, ensuring effective lubrication and cooling.
- Water Filters: Water filters are used to remove impurities, sediment, or debris from the water before it enters the lubrication system. They help prevent blockages, protect the compressor’s components from damage, and maintain the quality of the water used for lubrication.
- Water Separator: A water separator is a component that removes excess water, moisture, or condensate from the compressed air. It ensures that the compressed air leaving the compressor is dry and free from excess water content, preventing potential issues such as corrosion or contamination downstream.
Control and Monitoring:
- Temperature Sensors: Temperature sensors are used to monitor the temperature of the water and the compressor components. They provide feedback to the control system, allowing for adjustments in water flow or cooling measures if required to maintain optimal operating conditions.
- Pressure Sensors: Pressure sensors are employed to monitor the water pressure within the lubrication system. They help ensure that the water flow and pressure are within the desired range, allowing for proper lubrication and cooling of the compressor.
- Control System: A control system, which may include a combination of sensors, valves, and controllers, is responsible for regulating and maintaining the operation of the water-lubrication system. It can monitor various parameters, such as temperature, pressure, and flow, and make adjustments as needed to ensure efficient and safe operation.
Regular maintenance, inspection, and monitoring of the key components of the water-lubrication system are essential to ensure its proper functioning and to prevent any issues that could affect the performance and longevity of the compressor.
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How Are Water-Lubricated Air Compressors Used in Automotive Applications?
Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:
Tire Inflation:
- Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
- Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.
Painting and Finishing:
- Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
- Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.
Brake and Suspension Systems:
- Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
- Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.
Diagnostic and Testing Equipment:
- Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
- Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.
Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.
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Are Water Lubrication Air Compressors More Environmentally Friendly?
Water lubrication in air compressors offers several environmental benefits compared to traditional lubrication methods. Here are some reasons why water lubrication is considered more environmentally friendly:
- Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
- Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
- Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
- Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
- Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.
Overall, water lubrication in air compressors is considered more environmentally friendly due to its non-toxic nature, reduced air and water pollution, energy efficiency, and sustainable resource usage.


editor by CX 2024-02-12
China Best Sales Portable Silent Oil Free Screw Air Compressor for Using Painting, Laboratory, Food Produce with Great quality
Product Description
Portable Silent Oil Free Screw Air Compressor for Using Painting, Laboratory, Food Produce
The ETC oil-free conversion technology opens up completely new possibilities for providing oil free compressed air in meeting with ISO 8573-1 Class 0 quality standard.
When it comes to holding down up-front operational costs, converter technology is ideally suited for the provision of entirely oil free compressed air. And it is dependable too: Penetration of oil into the compressed air network is absolutely impossible!
Operating costs are extremely low because no costly checkups are required. Commonly occurring risks such as oil penetration have been discarded, and frequent replacement of component elements as with filters has been completely eliminated.
Features of CHINAMFG ETC Series Oil Free Rotary Screw Air Compressor
1. Air quality to ISO8573-1 Class 0 standard with TUV certificate on request
2. Proven Eco-Tec Oil Free Converter technology from Germany and over thousands successful installation reference worldwide
3. Single stage airend design for easy and cost saving maintenance
4. T. E. F. C. IP55 class F electric motor in compliance with IEC/DIN standards
5. Modern concept suction valve with energy saving modulation control as option
6. Intelligent PLC control panel with sequential / remote control functions
7. Reliable automatic control box with “Siemens” contactors
8. High efficiency aftercooler (air- or water- cooled available)
Proper disposal is no problem either as a matter of fact, in terms of oil content the condensate is of drinking water quality! In the ETC converter the long hydrocarbon chains of the residual oil contained in the compressed air are broken up into harmless carbon dioxide and water, i.e. substances occurring naturally in the air.
The catalytic converter incorporates a container with compact granulated pellets through which the compressed air circulates. This process breaks down and converts both oil droplets and oil vapors. The condensate that forms afterwards is therefore completely oil free and can be disposed of much less expensively and without the need for additional treatment.
Oil/hydrogen concentration is below 0,0571 mg/m3. The addition of the catalytic converter guarantees class 1 compressed air (ISO 8573-1) for all applications where oil free compressed air is essential.
ADEKOM (ASIA PACIFIC) LIMITED founded in the late 90’s is a specialized air/gas compressors and treatment system manufacturer with headquarter in Hong Kong. Its partners located in Vicenza, Italy and Germering, Germany are the world’s leading manufacturers with global recognition and experience in designing, manufacturing and marketing of rotary screw air/gas compressors for decades. QUALITY, RELIABILITY and ENERGY EFFICIENCY have been the main objectives of serving customers all over the world. CHINAMFG follows the company core of its European partners, is committed to the research & development, quality assurance and satisfaction of customers’ needs. Today, what CHINAMFG can do is not just to supply the best products to the market, but to provide THE TOTAL SOLUTION TO YOUR NEEDS!
CONTACT US
Asia Pacific Market: Spencer Lau (Ms.)
European/ Middle Eastern/ African Market: Echo Lok (Ms.)
American Market: Alice Kwok (Ms.)
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Yes |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Angular |
| Customization: |
Available
|
|
|---|
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Can Water-Lubricated Compressors Be Used in High-Pressure Applications?
Water-lubricated compressors can be used in high-pressure applications, but there are certain considerations and limitations to keep in mind. Here’s a detailed explanation:
Water-lubricated compressors are typically designed for lower to medium-pressure ranges. They are commonly used in applications where the required discharge pressure does not exceed a certain threshold, typically up to a few hundred pounds per square inch (psi). However, there are specialized water-lubricated compressors available that can handle higher pressures, depending on the specific design and construction.
The ability of a water-lubricated compressor to operate at high pressures depends on several factors:
- Compressor Design: The design and construction of the compressor play a crucial role in determining its maximum pressure rating. Compressors designed for high-pressure applications need to have robust components, such as reinforced casings, high-strength materials, and proper sealing mechanisms to withstand the elevated pressures. Special attention should be given to the design of the water-lubricated bearing system to ensure it can handle the increased loads and pressures.
- Water Supply and Cooling: High-pressure compressors generate more heat during the compression process, requiring efficient cooling mechanisms to maintain safe operating temperatures. Sufficient water supply and cooling capacity must be available to handle the increased heat load. Adequate flow rates, temperature control, and cooling methods, such as water jackets or external cooling systems, may be necessary to prevent overheating and ensure proper lubrication and cooling of the compressor components.
- Water Quality: The quality of the water used for lubrication becomes even more critical in high-pressure applications. Any impurities, contaminants, or minerals present in the water can cause increased wear, corrosion, or blockages, jeopardizing the compressor’s performance and reliability. Water treatment or filtration systems may be required to maintain the desired water quality and prevent damage to the compressor.
- Sealing and Leakage Control: As the pressure increases, it becomes more challenging to maintain effective sealing and prevent leakage in the compressor system. Proper sealing mechanisms, such as high-quality seals and gaskets, are essential to ensure minimal leakage and maintain the required pressure levels. Adequate monitoring and maintenance of the sealing components are necessary to prevent energy losses and ensure the compressor’s efficiency.
It’s worth noting that for extremely high-pressure applications, water-lubricated compressors may not be the most suitable choice. In such cases, alternative lubrication methods, such as oil or specialized lubricants, are often preferred to handle the extreme pressures and provide adequate lubrication and cooling.
When considering the use of water-lubricated compressors in high-pressure applications, it is crucial to consult with the compressor manufacturer or a qualified engineer to ensure that the chosen compressor model is specifically designed and rated for the desired pressure range. Proper installation, maintenance, and adherence to the manufacturer’s guidelines are essential to ensure the safe and efficient operation of the compressor in high-pressure conditions.
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How Are Water-Lubricated Air Compressors Used in Automotive Applications?
Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:
Tire Inflation:
- Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
- Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.
Painting and Finishing:
- Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
- Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.
Brake and Suspension Systems:
- Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
- Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.
Diagnostic and Testing Equipment:
- Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
- Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.
Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.
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How Is Water Quality Crucial for the Performance of These Compressors?
Water quality plays a crucial role in the performance of water-lubricated air compressors. The quality of the water used for lubrication directly impacts the efficiency, reliability, and lifespan of these compressors. Here are the key reasons why water quality is essential for optimal compressor performance:
- Lubrication effectiveness: Water serves as the lubricant in water-lubricated air compressors. The water forms a protective film between moving parts, reducing friction and wear. However, if the water contains impurities or contaminants, it can compromise the lubricating properties. Impurities like minerals, sediments, or dissolved solids can hinder the formation of an effective lubricating film, leading to increased friction and potential damage to the compressor components.
- Corrosion prevention: Water with high mineral content, such as hard water, can promote corrosion within the compressor system. Minerals like calcium and magnesium can react with metal surfaces, leading to rust, scale formation, and degradation of internal components. Corrosion compromises the structural integrity of the compressor, reduces its efficiency, and may result in costly repairs or even premature failure.
- Preventing blockages: Poor water quality can result in the accumulation of sediments, debris, or contaminants within the compressor system. These deposits can block water passages, filters, or valves, impeding the flow of water and affecting the overall performance of the compressor. Restricted water flow may lead to inadequate cooling, reduced lubrication, and compromised efficiency.
- Preventing fouling and fouling-related issues: Fouling refers to the accumulation of organic or inorganic deposits on heat transfer surfaces, such as heat exchangers or radiators, within the compressor system. Poor water quality can contribute to fouling, reducing heat transfer efficiency and impairing the cooling capacity of the compressor. This can result in elevated operating temperatures, decreased performance, and potential damage to the compressor.
- System cleanliness: Clean water is crucial for maintaining a clean and sanitary compressor system, especially in industries like food and beverage or medical applications. Contaminated water can introduce harmful bacteria, microorganisms, or particles into the compressor, posing a risk to product quality, safety, or patient well-being.
To ensure optimal performance and longevity of water-lubricated air compressors, it is important to monitor and maintain the quality of the water used for lubrication. Regular water analysis, proper filtration, and appropriate water treatment measures should be employed to remove impurities, control mineral content, and maintain the desired water quality. By ensuring clean and high-quality water, the compressor can operate efficiently, minimize the risk of component damage, and contribute to a reliable and safe compressed air system.


editor by CX 2024-02-11
China Hot selling 11kw 15HP Industrial Cheap Energy Saving Silent Water Oil Free Oilless Direct Drive Screw Air Compressor wholesaler
Product Description
Product Description
In response to market requirements, CHINAMFG company has launched oil-free screw air compressors, which are classified into oil-free piston machines, oil-free water-lubricated screw air compressors, and dry oil-free air compressors. There are many products. Welcome to consult.
Our advantages
1. Imported top-grade main machine, as the third generation product of state-of -the art brand the world, with asymmetrical 5:6 tooth rotor, is provided with outstanding performance and high efficiency far beyond other similar-type brand.
2. Full-intellectual control system and LCD screen, with self-diagnosis and protection devices, remote control and multi-host interlocking control, realizing unattended and high-tech operation.
3. Y series three-phase asynchronous motor special for compressor, imported World famous brand bearing, F-level insulation, IP54 especially suitable for long-term use, safe and reliable.
4 .Imported oil filter, oil gas separation filter element, ternary separation, ensure oil content less than 0.001ppm, the trunk adopts metal pipe, safe for long -term operation without leakage or deformation, the V type drive belt is imported from Germany, and has a service life more than10000hous.
5.Air volume auto intelligent control, auto shutdown after over long idle run, ensure over 25% of energy saving.
6.Valve-free oil system design, achieving a safer and more reliable operation of the whole machine, main machine adopts imported special compressor oil, reducing leakage inside and outside the compressor, improving efficiency of main machine and prolonging service life.
Product Parameters
| Water lubricated 100% oil-free air compressor Compresor de aire 100% exento de aceite lubricado con agua |
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| Model Modelo |
Working Pressure | Air Delivery | Motor Power | Dimension(mm) | Weight(kg) | Output pipe Diameter | ||||
| psig | bar | cfm | m3/min | kw/hp | L | W | H | |||
| ZW-7A | 100 | 7 | 38.8 | 1.1 | 7.5/10 | 1300 | 800 | 1300 | 500 | 3/4″ |
| 116 | 8 | 35.3 | 1 | |||||||
| 145 | 10 | 30 | 0.85 | |||||||
| 181 | 12.5 | 24.7 | 0.7 | |||||||
| ZW-11A | 100 | 7 | 63.6 | 1.8 | 11/15/ | 1300 | 800 | 1300 | 540 | 1″ |
| 116 | 8 | 58.3 | 1.65 | |||||||
| 145 | 10 | 53 | 1.5 | |||||||
| 181 | 12.5 | 45.9 | 1.3 | |||||||
| ZW-15A | 100 | 7 | 84.7 | 2.4 | 15/20 | 1620 | 1004 | 1410 | 650 | 1″ |
| 116 | 8 | 77.7 | 2.2 | |||||||
| 145 | 10 | 74.2 | 2.1 | |||||||
| 181 | 12.5 | 63.6 | 1.8 | |||||||
| ZW-18A | 100 | 7 | 109.5 | 3.1 | 18.5/25 | 1600 | 910 | 1350 | 840 | 1″ |
| 116 | 8 | 102.4 | 2.9 | |||||||
| 145 | 10 | 95.3 | 2.7 | |||||||
| 181 | 12.5 | 81.2 | 2.3 | |||||||
| ZW-22A | 100 | 7 | 134.2 | 3.8 | 22/30 | 1450 | 1000 | 1560 | 870 | 1″ |
| 116 | 8 | 127.1 | 3.6 | |||||||
| 145 | 10 | 113 | 3.2 | |||||||
| 181 | 12.5 | 88.3 | 2.5 | |||||||
| ZW-30A | 100 | 7 | 187.1 | 5.3 | 30/40 | 1950 | 1050 | 1432 | 980 | 11/4″ |
| 116 | 8 | 176.6 | 5 | |||||||
| 145 | 10 | 151.8 | 4.3 | |||||||
| 181 | 12.5 | 127.1 | 3.6 | |||||||
| ZW-37A | 100 | 7 | 233 | 6.6 | 37/50 | 1700 | 1100 | 1630 | 1000 | 11/4″ |
| 116 | 8 | 218.9 | 6.2 | |||||||
| 145 | 10 | 201.3 | 5.7 | |||||||
| 181 | 12.5 | 162.4 | 4.6 | |||||||
| ZW-45A | 100 | 7 | 282.5 | 8 | 45/60 | 2150 | 1300 | 1590 | 1060 | 11/2″ |
| 116 | 8 | 271.9 | 7.7 | |||||||
| 145 | 10 | 243.6 | 6.9 | |||||||
| 181 | 12.5 | 211.9 | 6 | |||||||
| ZW-55A | 100 | 7 | 370.8 | 10.5 | 55/75 | 2200 | 1400 | 1540 | 1250 | 2″ |
| 116 | 8 | 346 | 9.8 | |||||||
| 145 | 10 | 307.2 | 8.7 | |||||||
| 181 | 12.5 | 257.8 | 7.3 | |||||||
| ZW-75A | 100 | 7 | 480.2 | 13.6 | 75/100 | 2400 | 1450 | 1740 | 1480 | 2″ |
| 116 | 8 | 459 | 13 | |||||||
| 145 | 10 | 409.6 | 11.6 | |||||||
| ZW-90A | 100 | 7 | 572 | 16.2 | 90/120 | 2550 | 1400 | 1605 | 2030 | DN50 |
| 116 | 8 | 547.3 | 15.5 | |||||||
| 145 | 10 | 494.3 | 14 | |||||||
Detailed Photos
| Brief Introduction of screw air compressor: | |
| Air end | Germany Technology. 30 Years Designed Lifetime |
| Motor Efficiency Class | Ultraefficient/IE3/IE4 as per your required |
| Motor Protection Class | IP23/IP54/IP55 or as per your required (100% rare earth permanent magnet motor) |
| Inverter | Chinese No. 1 Inverter or Denmark Inverter Can Save 30% Energy |
| Warranty | 5 Years for The Air End, and 2 Years for The Whole |
| Voltage | 380V/3PH/50HZ/60HZ, 220V/3PH/50HZ/60HZ, 400V/3PH/50HZ/60HZ, 440V/3PH/50HZ/60HZ, 415V/3PH/50HZ/60HZ, 230V/3PH/50HZ/60HZ, 220V/1PH/60HZ/ dual voltage is also ok |
| Delivery time | 7-15 days |
| Certificate | CE/SGS/ISO9001/ASME |
| After-sales service | we have our professional after-sales technician to instruct the installation of the whole screw air compressor |
Main configuration
1 Motor- Germany
2 screw(air end)- Germany
3 Oil filter- Germany
4 Solenoid valve- Japan
5 Combination valve- Austria
6 AC contactor- Germany
7 Gas cooler- HangZhou, China
8 Oil cooler- HangZhou, China
9 Pressure controller- Japan
We offer free pipe and valves for installation and installation diagram
Company Profile
Brief introduction of factory:
1. our factory was established in 1985 which is specilized in manufacturing various types of air compressor and accessories.
2. our factory accept OEM air compressor power from 5.5kw to 315kw, 5hp to 355hp ;
3. Our products are exported to 132 countries and regions around the world;
4. Our air compressor provides a 5-year warranty.
If you have specific parameters and requirements for our Rotary Screw Type Air Compressor, customization is available
Promises Every Machine Will Run Well More Than 15 years
Recommended Products
CHINAMFG provides customers with one-stop purchasing to meet any customer needs.
In addition to variable frequency air compressors, direct driven screw air compressors, integrated air compressors, oil-free screw air compressors, we also have dryers and air receiver tank and other post-processing equipment.
Is a professional air treatment expert;)
Customer feedback
1.we have 30+ years professinal experience to producation and service,
2. not only give you air compressor, also support air compressor system solution ,
3. 1 to 1 service help you solve question quickly.
After Sales Service
1. Reply in 24 hours.
2. Providing professional solutions.
3. Every product will be tested before the delivery.
4. Delivery on time and excellent after-sales service.
5. High quality, reliable price.
Shipment :
FAQ
1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our Factory is Located in HangZhou City, ZheJiang Province, China.
Q3: Will you provide spare parts of your products?
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.
Q4: Can you accept OEM orders?
A4: Yes, with professional design team, OEM orders are highly welcome.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.
Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.
Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price.
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| After-sales Service: | Support Online and Local Service |
|---|---|
| Warranty: | 2 Year for The Screw and 1 Year for The Whole Mach |
| Lubrication Style: | Lubricated |
| Cooling System: | No |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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How Do Water-Lubricated Air Compressors Impact Compressed Air Quality?
Water-lubricated air compressors can have an impact on the quality of the compressed air they produce. Here’s a detailed explanation of how water-lubricated air compressors can affect compressed air quality:
Moisture Content:
- Condensation: Water-lubricated compressors introduce moisture into the compressed air system. During the compression process, as the air cools downstream, moisture can condense and accumulate. This moisture can lead to issues such as corrosion, rust, and contamination of downstream equipment or processes.
- Water Carryover: If the compressor’s water separation mechanisms are not efficient or if there are malfunctions in the water removal systems, water droplets or mist may carry over into the compressed air. This can negatively impact the quality of the compressed air and introduce moisture-related issues downstream.
Contamination:
- Oil Contamination: In some water-lubricated compressors, there is a potential for oil to mix with the water used for lubrication. If oil and water emulsify or if there are leaks in the compressor system, oil contamination may occur. Oil-contaminated compressed air can have adverse effects on downstream processes, equipment, and products. It can lead to contamination, reduced performance of pneumatic components, and potential health and safety concerns.
- Particulate Contamination: Water-lubricated compressors can introduce particulate matter, such as sediment, debris, or rust, into the compressed air system. This can occur if the water supply or water treatment systems are not adequately filtered or maintained. Particulate contamination can clog or damage pneumatic equipment, affect product quality, and cause operational issues in downstream applications.
Preventive Measures:
- Water Separation: Water-lubricated compressors employ various water separation mechanisms to remove moisture from the compressed air. This includes moisture separators, water traps, or coalescing filters that are specifically designed to capture and remove water droplets or mist from the compressed air stream. Regular maintenance and inspection of these separation systems are necessary to ensure their proper functioning.
- Air Treatment: Additional air treatment components, such as air dryers or desiccant systems, can be installed downstream of water-lubricated compressors to further reduce moisture content in the compressed air. These systems help to remove moisture that may have carried over from the compressor and ensure that the compressed air meets the required dryness standards for specific applications.
- Proper Maintenance: Regular maintenance of water-lubricated compressors is essential to minimize the potential impact on compressed air quality. This includes routine inspection, cleaning, and replacement of filters, lubrication systems, and water separation components. Addressing any leaks, malfunctioning components, or system issues promptly can help maintain the integrity of the compressed air and prevent contamination or excessive moisture levels.
By implementing appropriate water separation mechanisms, air treatment systems, and maintenance practices, the impact of water-lubricated air compressors on compressed air quality can be minimized. It is important to consider the specific requirements of the application and follow industry standards and guidelines to ensure the desired compressed air quality is achieved.
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How Do You Troubleshoot Common Problems with Water-Lubrication Systems?
When encountering common problems with water-lubrication systems, it is essential to follow a systematic troubleshooting approach. Here’s a detailed explanation of the steps involved in troubleshooting common issues with water-lubrication systems:
Step 1: Identify the Problem:
The first step is to identify the specific problem or symptom that is affecting the water-lubrication system. Common problems may include inadequate lubrication, water leaks, abnormal noises, or reduced system performance. Understanding the specific issue will help in determining the appropriate troubleshooting steps.
Step 2: Check Water Supply:
Verify that there is a proper water supply to the system. Ensure that the water source is connected and flowing adequately. Check for any obstructions or restrictions in the water lines that may be affecting the water flow to the lubrication system.
Step 3: Inspect Water Filters and Strainers:
Water filters and strainers are used in water-lubrication systems to remove debris and impurities from the water. Inspect these filters and strainers for clogs or blockages that may be hindering the water flow. Clean or replace the filters as necessary to ensure proper water filtration.
Step 4: Verify Water Pressure:
Check the water pressure within the system to ensure it falls within the recommended range. Low water pressure can result in inadequate lubrication, while high water pressure can cause leaks or damage to the system. Use a pressure gauge to measure the water pressure and adjust it if necessary according to the manufacturer’s guidelines.
Step 5: Examine Water-Lubrication Components:
Closely inspect the various components of the water-lubrication system, including the water pump, distribution lines, lubrication points, and seals. Look for signs of wear, damage, or misalignment that may be contributing to the problem. Tighten loose connections and replace any damaged or worn-out components as needed.
Step 6: Check for Air in the System:
Air trapped within the water-lubrication system can affect its performance. Bleed the system to remove any trapped air. Follow the manufacturer’s instructions for bleeding air from the system, which typically involves opening specific valves or vents until a steady flow of water is achieved.
Step 7: Inspect Cooling Mechanisms:
Water-lubrication systems often incorporate cooling mechanisms, such as heat exchangers or radiators, to dissipate excess heat. Inspect these cooling components for blockages, corrosion, or leaks that may be compromising their effectiveness. Clean or repair the cooling mechanisms as necessary to ensure proper heat dissipation.
Step 8: Consult Manufacturer Documentation:
If the troubleshooting steps above do not resolve the problem, refer to the manufacturer’s documentation, such as the user manual or technical specifications. These resources may provide specific troubleshooting guidelines, diagnostics, or additional maintenance procedures for the water-lubrication system.
Step 9: Seek Professional Assistance:
If the problem persists or if the troubleshooting steps are beyond your expertise, it is advisable to seek professional assistance. Contact the manufacturer’s technical support or consult a qualified technician with experience in water-lubrication systems. They can provide expert guidance and assistance in resolving complex issues.
By following these troubleshooting steps, you can effectively identify and address common problems encountered in water-lubrication systems, ensuring optimal performance and reliability.
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What is a water lubrication air compressor?
A water lubrication air compressor, also known as a water-injected air compressor, is a type of compressor that utilizes water as a lubricant and cooling medium in its operation. Unlike traditional air compressors that rely on oil for lubrication, water lubrication air compressors offer specific advantages and are commonly used in certain applications. Here’s an overview of how water lubrication air compressors work and their key characteristics:
Working Principle:
In a water lubrication air compressor, the compression process involves injecting a controlled amount of water into the compression chamber. The water acts as a lubricant and cooling agent, ensuring smooth operation and preventing excessive heat buildup. As the air is compressed, the water lubricates the internal components, reducing friction and wear.
Advantages:
1. Reduced Environmental Impact: One of the significant advantages of water lubrication air compressors is their reduced environmental impact. These compressors eliminate the need for oil lubrication, resulting in lower oil consumption and the elimination of oil-related contamination risks. This makes them a more environmentally friendly option, particularly in applications where oil contamination must be avoided, such as in food processing or pharmaceutical industries.
2. Enhanced Air Quality: Water lubrication air compressors produce cleaner compressed air compared to oil-lubricated compressors. The absence of oil in the compression process eliminates the risk of oil carryover into the air system. This is essential in applications where clean and oil-free compressed air is required, such as in electronics manufacturing or spray painting.
3. Improved Energy Efficiency: Water lubrication air compressors can offer improved energy efficiency compared to oil-lubricated compressors. The water injected during the compression process helps in cooling the air, reducing the energy required for subsequent cooling and drying processes. This can lead to energy savings and lower operating costs.
4. Lower Maintenance Requirements: Water lubrication air compressors generally have lower maintenance requirements compared to oil-lubricated compressors. The absence of oil means no oil changes or oil filter replacements, simplifying maintenance tasks and reducing costs. However, regular checks and maintenance of the water filtration system are necessary to ensure the water quality and prevent any potential contamination issues.
Applications:
Water lubrication air compressors are commonly used in applications where clean and oil-free compressed air is critical. Some typical applications include:
- Food and beverage processing
- Pharmaceutical manufacturing
- Electronics manufacturing
- Spray painting and coating
- Laboratories and research facilities
- Dental offices
These compressors provide a reliable and environmentally friendly solution for industries and applications that require high-quality compressed air without oil contamination.


editor by CX 2024-02-08
China manufacturer 11kw 15HP Industrial Cheap Energy Saving Silent Water Oil Free Oilless Direct Drive Screw Air Compressor mini air compressor
Product Description
Product Description
In response to market requirements, CHINAMFG company has launched oil-free screw air compressors, which are classified into oil-free piston machines, oil-free water-lubricated screw air compressors, and dry oil-free air compressors. There are many products. Welcome to consult.
Our advantages
1. Imported top-grade main machine, as the third generation product of state-of -the art brand the world, with asymmetrical 5:6 tooth rotor, is provided with outstanding performance and high efficiency far beyond other similar-type brand.
2. Full-intellectual control system and LCD screen, with self-diagnosis and protection devices, remote control and multi-host interlocking control, realizing unattended and high-tech operation.
3. Y series three-phase asynchronous motor special for compressor, imported World famous brand bearing, F-level insulation, IP54 especially suitable for long-term use, safe and reliable.
4 .Imported oil filter, oil gas separation filter element, ternary separation, ensure oil content less than 0.001ppm, the trunk adopts metal pipe, safe for long -term operation without leakage or deformation, the V type drive belt is imported from Germany, and has a service life more than10000hous.
5.Air volume auto intelligent control, auto shutdown after over long idle run, ensure over 25% of energy saving.
6.Valve-free oil system design, achieving a safer and more reliable operation of the whole machine, main machine adopts imported special compressor oil, reducing leakage inside and outside the compressor, improving efficiency of main machine and prolonging service life.
Product Parameters
| Water lubricated 100% oil-free air compressor Compresor de aire 100% exento de aceite lubricado con agua |
||||||||||
| Model Modelo |
Working Pressure | Air Delivery | Motor Power | Dimension(mm) | Weight(kg) | Output pipe Diameter | ||||
| psig | bar | cfm | m3/min | kw/hp | L | W | H | |||
| ZW-7A | 100 | 7 | 38.8 | 1.1 | 7.5/10 | 1300 | 800 | 1300 | 500 | 3/4″ |
| 116 | 8 | 35.3 | 1 | |||||||
| 145 | 10 | 30 | 0.85 | |||||||
| 181 | 12.5 | 24.7 | 0.7 | |||||||
| ZW-11A | 100 | 7 | 63.6 | 1.8 | 11/15/ | 1300 | 800 | 1300 | 540 | 1″ |
| 116 | 8 | 58.3 | 1.65 | |||||||
| 145 | 10 | 53 | 1.5 | |||||||
| 181 | 12.5 | 45.9 | 1.3 | |||||||
| ZW-15A | 100 | 7 | 84.7 | 2.4 | 15/20 | 1620 | 1004 | 1410 | 650 | 1″ |
| 116 | 8 | 77.7 | 2.2 | |||||||
| 145 | 10 | 74.2 | 2.1 | |||||||
| 181 | 12.5 | 63.6 | 1.8 | |||||||
| ZW-18A | 100 | 7 | 109.5 | 3.1 | 18.5/25 | 1600 | 910 | 1350 | 840 | 1″ |
| 116 | 8 | 102.4 | 2.9 | |||||||
| 145 | 10 | 95.3 | 2.7 | |||||||
| 181 | 12.5 | 81.2 | 2.3 | |||||||
| ZW-22A | 100 | 7 | 134.2 | 3.8 | 22/30 | 1450 | 1000 | 1560 | 870 | 1″ |
| 116 | 8 | 127.1 | 3.6 | |||||||
| 145 | 10 | 113 | 3.2 | |||||||
| 181 | 12.5 | 88.3 | 2.5 | |||||||
| ZW-30A | 100 | 7 | 187.1 | 5.3 | 30/40 | 1950 | 1050 | 1432 | 980 | 11/4″ |
| 116 | 8 | 176.6 | 5 | |||||||
| 145 | 10 | 151.8 | 4.3 | |||||||
| 181 | 12.5 | 127.1 | 3.6 | |||||||
| ZW-37A | 100 | 7 | 233 | 6.6 | 37/50 | 1700 | 1100 | 1630 | 1000 | 11/4″ |
| 116 | 8 | 218.9 | 6.2 | |||||||
| 145 | 10 | 201.3 | 5.7 | |||||||
| 181 | 12.5 | 162.4 | 4.6 | |||||||
| ZW-45A | 100 | 7 | 282.5 | 8 | 45/60 | 2150 | 1300 | 1590 | 1060 | 11/2″ |
| 116 | 8 | 271.9 | 7.7 | |||||||
| 145 | 10 | 243.6 | 6.9 | |||||||
| 181 | 12.5 | 211.9 | 6 | |||||||
| ZW-55A | 100 | 7 | 370.8 | 10.5 | 55/75 | 2200 | 1400 | 1540 | 1250 | 2″ |
| 116 | 8 | 346 | 9.8 | |||||||
| 145 | 10 | 307.2 | 8.7 | |||||||
| 181 | 12.5 | 257.8 | 7.3 | |||||||
| ZW-75A | 100 | 7 | 480.2 | 13.6 | 75/100 | 2400 | 1450 | 1740 | 1480 | 2″ |
| 116 | 8 | 459 | 13 | |||||||
| 145 | 10 | 409.6 | 11.6 | |||||||
| ZW-90A | 100 | 7 | 572 | 16.2 | 90/120 | 2550 | 1400 | 1605 | 2030 | DN50 |
| 116 | 8 | 547.3 | 15.5 | |||||||
| 145 | 10 | 494.3 | 14 | |||||||
Detailed Photos
| Brief Introduction of screw air compressor: | |
| Air end | Germany Technology. 30 Years Designed Lifetime |
| Motor Efficiency Class | Ultraefficient/IE3/IE4 as per your required |
| Motor Protection Class | IP23/IP54/IP55 or as per your required (100% rare earth permanent magnet motor) |
| Inverter | Chinese No. 1 Inverter or Denmark Inverter Can Save 30% Energy |
| Warranty | 5 Years for The Air End, and 2 Years for The Whole |
| Voltage | 380V/3PH/50HZ/60HZ, 220V/3PH/50HZ/60HZ, 400V/3PH/50HZ/60HZ, 440V/3PH/50HZ/60HZ, 415V/3PH/50HZ/60HZ, 230V/3PH/50HZ/60HZ, 220V/1PH/60HZ/ dual voltage is also ok |
| Delivery time | 7-15 days |
| Certificate | CE/SGS/ISO9001/ASME |
| After-sales service | we have our professional after-sales technician to instruct the installation of the whole screw air compressor |
Main configuration
1 Motor- Germany
2 screw(air end)- Germany
3 Oil filter- Germany
4 Solenoid valve- Japan
5 Combination valve- Austria
6 AC contactor- Germany
7 Gas cooler- HangZhou, China
8 Oil cooler- HangZhou, China
9 Pressure controller- Japan
We offer free pipe and valves for installation and installation diagram
Company Profile
Brief introduction of factory:
1. our factory was established in 1985 which is specilized in manufacturing various types of air compressor and accessories.
2. our factory accept OEM air compressor power from 5.5kw to 315kw, 5hp to 355hp ;
3. Our products are exported to 132 countries and regions around the world;
4. Our air compressor provides a 5-year warranty.
If you have specific parameters and requirements for our Rotary Screw Type Air Compressor, customization is available
Promises Every Machine Will Run Well More Than 15 years
Recommended Products
CHINAMFG provides customers with one-stop purchasing to meet any customer needs.
In addition to variable frequency air compressors, direct driven screw air compressors, integrated air compressors, oil-free screw air compressors, we also have dryers and air receiver tank and other post-processing equipment.
Is a professional air treatment expert;)
Customer feedback
1.we have 30+ years professinal experience to producation and service,
2. not only give you air compressor, also support air compressor system solution ,
3. 1 to 1 service help you solve question quickly.
After Sales Service
1. Reply in 24 hours.
2. Providing professional solutions.
3. Every product will be tested before the delivery.
4. Delivery on time and excellent after-sales service.
5. High quality, reliable price.
Shipment :
FAQ
1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: Our Factory is Located in HangZhou City, ZheJiang Province, China.
Q3: Will you provide spare parts of your products?
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.
Q4: Can you accept OEM orders?
A4: Yes, with professional design team, OEM orders are highly welcome.
Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.
Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.
Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Support Online and Local Service |
|---|---|
| Warranty: | 2 Year for The Screw and 1 Year for The Whole Mach |
| Lubrication Style: | Lubricated |
| Cooling System: | No |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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What Industries Commonly Use Water-Lubricated Air Compressors?
Water-lubricated air compressors find applications in various industries where specific operating conditions or regulatory requirements make them a preferred choice. Here are some industries that commonly utilize water-lubricated air compressors:
- Food and Beverage: Water-lubricated compressors are often used in the food and beverage industry due to their ability to provide clean, oil-free compressed air. Compressed air is widely used in food processing and packaging applications, such as pneumatic conveying, product mixing, bottle blowing, and food packaging. Water-lubricated compressors help maintain product purity, prevent oil contamination, and comply with stringent food safety standards.
- Pharmaceutical and Healthcare: The pharmaceutical and healthcare industries have strict requirements for compressed air quality, especially in applications where compressed air comes into direct contact with pharmaceutical products or is used in critical medical equipment. Water-lubricated compressors offer a viable solution by providing lubrication without the risk of oil contamination. They are commonly used for processes such as air agitation, medical device manufacturing, and laboratory applications.
- Electronics and Semiconductors: In electronics and semiconductor manufacturing, where sensitive components and cleanroom environments are involved, oil-free compressed air is essential. Water-lubricated compressors can provide the required level of air purity without introducing oil particles or vapors that could contaminate the electronics or semiconductor production processes. They are used in applications such as chip manufacturing, circuit board assembly, and cleanroom air supply.
- Textile and Garment: Water-lubricated compressors are utilized in the textile and garment industry, where the presence of oil can negatively impact the quality and appearance of fabrics or garments. Compressed air is widely used in textile machinery for tasks such as spinning, weaving, and air jet looms. Water-lubricated compressors ensure oil-free air supply, preventing oil stains or contamination that could affect the final textile or garment products.
- Environmental and Wastewater Treatment: Water-lubricated compressors are also employed in environmental and wastewater treatment applications. These compressors help supply air for aeration processes in wastewater treatment plants, where air is introduced into the treatment tanks to facilitate the growth of beneficial bacteria for biological treatment. Water-lubricated compressors provide oil-free compressed air, ensuring the purity and effectiveness of the treatment process.
While the industries mentioned above commonly use water-lubricated air compressors, it is important to note that these compressors may also find applications in other sectors where oil-free, contamination-free compressed air is required for specific processes or environmental considerations.
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Are There Any Potential Water-Related Issues with These Compressors?
Yes, there are potential water-related issues that can arise with water-lubricated compressors. Here’s a detailed explanation of some of the common water-related issues associated with these compressors:
Corrosion:
- Internal Corrosion: Water-lubricated compressors are susceptible to internal corrosion due to the presence of water within the system. If the water used is not properly treated or if corrosion prevention measures are insufficient, the internal components of the compressor can corrode over time. Corrosion can lead to reduced performance, component damage, and the potential for leaks or system failures.
- External Corrosion: External components such as piping, valves, and fittings can also be affected by corrosion if exposed to water and moisture. Corrosion on these external surfaces can lead to compromised integrity, leaks, and reduced system efficiency.
Water Quality:
- Water Contaminants: The quality of the water used in water-lubricated compressors is crucial. If the water contains contaminants such as sediment, debris, oil, or chemicals, it can negatively impact the performance and reliability of the compressor. Contaminants can cause blockages, clogging, increased wear on components, reduced lubrication effectiveness, and potential damage to the compressor.
- Water Hardness: Water hardness, characterized by high mineral content, can lead to scaling and deposits within the compressor and associated components. Scaling can restrict flow, impede heat transfer, and reduce the efficiency of the compressor. It can also contribute to fouling and corrosion issues.
Water Treatment and Filtration:
- Inadequate Water Treatment: Insufficient or improper water treatment can lead to various issues. If the water is not adequately treated for contaminants, hardness, or pH levels, it can result in accelerated corrosion, scaling, fouling, and reduced lubrication effectiveness. Inadequate water treatment can also contribute to increased maintenance requirements and decreased overall compressor performance.
- Filtration System Issues: Filtration systems play a crucial role in removing contaminants from the water. However, if the filtration system is not properly maintained, filters become clogged or damaged, or if there are design or installation issues, it can lead to inadequate filtration and compromised water quality. This can result in the accumulation of contaminants, reduced lubrication performance, and potential damage to the compressor.
Water Supply and Availability:
- Insufficient Water Supply: Water-lubricated compressors rely on a consistent and reliable water supply. If the water supply is insufficient in terms of flow rate, pressure, or quality, it can impact the compressor’s operation and performance. Inadequate water supply can lead to inadequate lubrication, reduced cooling capacity, and increased wear on components.
- Water Source Availability: The availability of a suitable water source is essential for water-lubricated compressors. In certain locations or applications, accessing clean water or meeting specific water quality requirements may pose challenges. Lack of a suitable water source can limit the feasibility or effectiveness of using water-lubricated compressors.
It is important to address these potential water-related issues by implementing proper water treatment, corrosion prevention measures, regular maintenance of filtration systems, and monitoring of water quality. Adhering to manufacturer guidelines, performing regular inspections, and taking proactive measures can help mitigate these issues and ensure the reliable and efficient operation of water-lubricated compressors.
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How does a water lubrication system work in air compressors?
A water lubrication system in air compressors is designed to provide lubrication and cooling to the internal components of the compressor using water as the lubricant. This system offers an alternative to traditional oil lubrication systems and has specific advantages in certain applications. Here’s a detailed explanation of how a water lubrication system works in air compressors:
1. Water Injection:
In a water lubrication system, a controlled amount of water is injected into the compression chamber of the air compressor. This can be achieved through various methods, such as direct injection or atomization of water droplets.
2. Lubrication:
As the compressed air is generated, the injected water serves as a lubricant for the internal components of the compressor. The water forms a thin film on the surfaces, reducing friction and wear between the moving parts. This lubrication helps to improve the efficiency and lifespan of the compressor.
3. Cooling:
The water injected into the compression chamber also acts as a cooling medium. As the air is compressed, heat is generated, and the injected water absorbs some of this heat. The water carries away the heat, preventing excessive temperature rise and maintaining optimal operating conditions for the compressor.
4. Separation and Filtration:
After serving its lubrication and cooling purposes, the water needs to be separated from the compressed air. The compressed air and water mixture pass through a separator or filtration system, which separates the water from the compressed air. This can involve mechanisms such as centrifugal force, gravity separation, or filtration media.
5. Water Treatment:
In water lubrication systems, proper water treatment is essential to maintain the quality and performance of the system. Water filtration and purification processes are employed to remove impurities, contaminants, and any solid particles present in the water. This ensures that the injected water is clean and free from any substances that could potentially harm the compressor or the downstream air system.
6. Recirculation or Discharge:
Depending on the specific design of the water lubrication system, the separated water can be recirculated back into the system for reuse or discharged from the compressor. Recirculation systems involve the treatment and filtration of the water before reintroducing it into the compression chamber. Discharge systems, on the other hand, may involve further treatment or disposal of the water in an environmentally responsible manner.
By utilizing a water lubrication system, air compressors can benefit from reduced oil consumption, improved air quality, and enhanced energy efficiency. These systems are commonly employed in industries where oil contamination must be avoided, such as food processing, pharmaceutical manufacturing, and electronics production.


editor by CX 2024-02-07
China Professional 7 Bar Air Compressor Oil Free Screw 1.72m3/Min with Good quality
Product Description
7 Bar Air Compressor Oil Free Screw 1.72M3/Min
Product Description
Oil free screw air compressors are widely used in industries that require high quality air sources such as: pharmaceutical, food, electronics, chemical, packaging, etc. 100% pure compressed air is a necessary procedure to guarantee satisfactory crafts and product quality, which ensures the production of high-end products safely and risk-free.The lubrication system of an oil free screw air compressor is an individual fuel recycling unit. The compression chamber and the bearings were separated by a set of sealed high-performance mechanical assembly. The lubricating oil can only flow in the enclosed area and is prevented to enter the compression chamber, which only contains 100% pure compressed oil-free air. The users could obtain 100% pure compressed air with some slight post-treatment of water and dust removal
| Model No. | Capacity FAD(m3/min) | Motor Power (Kw) |
Noisel Level (dB) |
Outlet Diameter | Dimension(mm) | Weight (kg) |
||||
| 0.7MPa | 0.8MPa | 1.0MPa | L | W | H | |||||
| WFS-7.5A | 1.3 | 1.2 | / | 7.5 | 60 | G3/4 | 1100 | 845 | 1260 | 520 |
| WFS-11A | 1.6 | 1.5 | 1.4 | 11 | 60 | G3/4 | 1100 | 845 | 1260 | 580 |
| WFS-15A | 2.5 | 2.3 | 2 | 15 | 65 | G3/4 | 1520 | 1100 | 1400 | 620 |
| WFS-18.5A | 3.3 | 3.1 | 2.5 | 18.5 | 65 | G1 | 1520 | 1100 | 1400 | 720 |
| WFS-22A | 3.7 | 3.5 | 3 | 22 | 68 | G1 | 1520 | 1100 | 1400 | 830 |
| WFS-30A | 5.3 | 5 | 4.3 | 30 | 71 | G1-1/2 | 1760 | 1250 | 1600 | 980 |
| WFS-37A | 6.2 | 5.9 | 5 | 37 | 71 | G1-1/2 | 1760 | 1250 | 1600 | 1100 |
| WFS-45A | 7.5 | 7 | 6 | 45 | 74 | G1-1/2 | 1900 | 1250 | 1360 | 1250 |
| WFS-55A | 10 | 9.5 | 7.9 | 55 | 74 | G2 | 1900 | 1250 | 1360 | 1450 |
| WFS-75A | 13 | 12.5 | 10 | 75 | 75 | G2 | 1900 | 1250 | 1360 | 1600 |
| WFS-90A | 15 | 13.5 | 12.8 | 90 | 75 | G2 | 2000 | 1250 | 1360 | 2000 |
| WFS-110A | 20 | 18.5 | 16.5 | 110 | 78 | DN65 | 2100 | 1850 | 1700 | 2500 |
| WFS-132A | 23.5 | 23 | 20 | 132 | 78 | DN65 | 2100 | 1850 | 1700 | 2650 |
| WFS-160A | 26 | 24 | 23 | 160 | 80 | DN80 | 2300 | 1900 | 1900 | 2800 |
| WFS-180A | 32.5 | 31 | 28 | 180 | 82 | DN80 | 2300 | 1900 | 1900 | 3000 |
| WFS-250A | 42 | 40 | 38 | 250 | 85 | DN100 | 3200 | 2100 | 2000 | 4800 |
Product Details
Advantage:
- Oil Free —-Totally Oil Free:
Oil free water lubrication screw air compressor is a kind of compressor that provides clean, pollution-free, 100% oil free screw air compressor, its zero emission can protect the environment efficiently.
- Water —- Lubrication, Sealing and Cooling:
Ideal isothermal compression High efficiency (large air delivery)
Low temperature compression No need the intercooler and after cooler
Low rotation speed Low noise, low vibration and no need the overdrive gear
Low viscosity of lubrication water Easy to be separated with the air
- All stainless steel pipe : Simple ,non-corrosive,non-polluting,high reliablity
Ceritifications
Company Information
Windbell Co. Ltd. was established in 2006. It is a high-tech company mainly producing Screw Air Compressor.Located in HangZhou National High and New Technology Industries Development Zone, the company has more than 100 employees equipped with 50 advanced testing machines working in the plant area of 20000 square meter. A high profile R&D team with experience in developing products with GHH and Rotor, has more than 20 patents granted. The company can produce more than 4000 Air Compressor every year.We believe that without an advanced quality management system you cannot make high quality products. With ISO9001 and ISO14001 certifications, the company aims to be a CHINAMFG in offering consumers efficient, energy-saving, and environment-friendly solutions in the application of air compressor. Based on its R&D output, the company has successfully applied its solutions to the field of mining, tunneling, outdoor construction and its technology also facilitates the production of medical oxygen generators and textile equipment. The Screw Air Compressor are widely sold to Southeast Asia, Central Asia, Middle East, Africa, and South America…
FAQ
Q1: Why customer choose us?
A: CHINAMFG MACHINERY CO., LTD., with 13 years old history, we are specialized in Screw Air Compressor. We warmly welcome your small trial order for quality or market test.
Q2: Are you a manufacturer or trading company?
A: We are professional manufacturer with big modern factory in HangZhou,China. Both OEM & ODM service can be accepted.Pls check Our Company Profile.
Q3: What’s your delivery time?
A: Generally 15 to 20 days, if urgently order, pls contact our sales in advance.
Q4: How long is your air compressor warranty?
A: One year for the whole machine and 2 years for screw air end, except consumble spare parts.
Q5: How long could your air compressor be used?
A: Generally, more than 10 years.
Q6: What’s payment term?
A: T/T, L/C, Western Union, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q7: How about your customer service?
A: 24 hours on-line service available. 48hours problem sovled promise.
Q8: How about your after-sales service?
A: 1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Type: | Single Screw Compressor |
| Customization: |
Available
|
|
|---|
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Are There Specific Water Treatment Requirements for Water-Lubricated Compressors?
Water-lubricated compressors often have specific water treatment requirements to ensure optimal performance, prevent equipment damage, and maintain the desired water quality. Here’s a detailed explanation of the water treatment considerations for water-lubricated compressors:
Water Quality:
- Purity: The water used for lubrication should be clean and free from impurities, contaminants, or excessive minerals. Impurities in the water can lead to corrosion, blockages, and reduced lubrication effectiveness. Water sources should be evaluated to ensure they meet the required purity standards.
- Chemical Composition: The chemical composition of the water should be within acceptable limits to avoid any adverse reactions with compressor components or lubricants. Certain water characteristics, such as pH, alkalinity, hardness, and conductivity, need to be monitored and controlled to prevent issues like scaling, fouling, or chemical reactions.
Water Treatment Methods:
- Filtration: Filtration systems are commonly used to remove particulate matter, sediment, or debris from the water. Filters can range from simple strainers to more advanced filtration systems, depending on the specific water quality requirements and the level of filtration needed.
- Water Softening: If the water has high levels of hardness minerals, such as calcium and magnesium, water softening methods may be necessary. Water softeners use ion exchange or other processes to remove the hardness minerals, which can help prevent scaling and reduce the risk of deposits in the compressor system.
- Reverse Osmosis (RO): Reverse osmosis is a water treatment method that uses a semi-permeable membrane to remove dissolved solids, ions, and impurities from the water. RO systems can effectively reduce the total dissolved solids (TDS) and improve the overall water quality, making it suitable for water-lubricated compressors.
- Chemical Treatment: In some cases, chemical treatments may be required to control water chemistry parameters, such as pH or alkalinity. Chemical additives can be used to adjust or stabilize water chemistry within the desired range, preventing corrosion, scaling, or other issues.
Water treatment requirements for water-lubricated compressors can vary depending on factors such as the compressor design, operating conditions, water source quality, and specific application requirements. It is essential to consult the compressor manufacturer’s recommendations and guidelines regarding water treatment. The manufacturer’s guidelines will provide specific information on water quality limits, treatment methods, and any required maintenance procedures related to water treatment.
Regular monitoring of water quality, including periodic testing and analysis, is recommended to ensure that the water treatment measures are effective and the desired water quality is maintained. Water treatment systems should be properly maintained and periodically serviced to ensure their optimal performance and prevent any potential issues that could affect the operation and longevity of water-lubricated compressors.
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Are There Regulations Governing the Use of Water-Lubricated Air Compressors?
When it comes to the use of water-lubricated air compressors, there are several regulations and standards that govern their operation and ensure compliance with safety, environmental, and performance requirements. Here’s a detailed explanation of the regulations related to water-lubricated air compressors:
1. Occupational Safety and Health Administration (OSHA) Regulations:
OSHA is a regulatory agency in the United States that sets and enforces workplace safety and health standards. While OSHA does not have specific regulations solely dedicated to water-lubricated air compressors, they have general regulations that apply to all types of air compressors. These regulations include requirements for safe operation, maintenance, and guarding of equipment to protect workers from hazards such as electrical shocks, mechanical injuries, and exposure to hazardous substances.
2. Environmental Protection Agency (EPA) Regulations:
The EPA is responsible for implementing and enforcing environmental regulations in the United States. Although there are no specific regulations for water-lubricated air compressors, the EPA has regulations that govern the discharge of water and other substances into the environment. If the water-lubricated compressor system involves the use of cooling water or generates wastewater, it may be subject to regulations related to water pollution control, water treatment, and proper disposal of wastewater.
3. International Organization for Standardization (ISO) Standards:
The ISO develops international standards that provide guidelines and requirements for various industries and technologies. ISO 8573 is a standard that addresses the quality of compressed air used in different applications. This standard sets limits and specifications for various contaminants in compressed air, including water content. Water-lubricated air compressors need to comply with the requirements of ISO 8573 to ensure the produced compressed air meets the desired quality standards.
4. Manufacturer Guidelines and Recommendations:
In addition to regulatory requirements, it is essential to follow the guidelines and recommendations provided by the manufacturers of water-lubricated air compressors. Manufacturers typically provide instructions for installation, operation, maintenance, and safety precautions specific to their equipment. Adhering to these guidelines is crucial to ensure the safe and proper functioning of the equipment and to maintain warranty coverage.
It’s important to note that the specific regulations and standards governing water-lubricated air compressors may vary depending on the country or region. Therefore, it is advisable to consult the relevant regulatory agencies, industry organizations, and local authorities to ensure compliance with applicable regulations and standards in a particular jurisdiction.
By complying with the relevant regulations, standards, and manufacturer guidelines, users of water-lubricated air compressors can ensure the safe and efficient operation of their equipment while minimizing any potential environmental impacts.
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Are Water Lubrication Air Compressors More Environmentally Friendly?
Water lubrication in air compressors offers several environmental benefits compared to traditional lubrication methods. Here are some reasons why water lubrication is considered more environmentally friendly:
- Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
- Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
- Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
- Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
- Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.
Overall, water lubrication in air compressors is considered more environmentally friendly due to its non-toxic nature, reduced air and water pollution, energy efficiency, and sustainable resource usage.


editor by CX 2024-02-06
China best 8bar Dry Type Oil Free Silent Rotary Screw Air Compressor with Best Sales
Product Description
Industrial Silent/Mute Medical Dry Oil Free Oilless Direct Drive Rotary Double Screw Type Air Compressor Advantages
1.Clean air 1, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China
Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome
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| Lubrication Style: | Oil-free |
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| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Customization: |
Available
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about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What Is the Role of Water Separators in Water-Lubricated Compressors?
In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:
Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.
The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:
- Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
- Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
- Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
- Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.
By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.
It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.
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How Are Water-Lubricated Air Compressors Used in Automotive Applications?
Water-lubricated air compressors find various applications in the automotive industry. Here’s a detailed explanation of how they are used in automotive applications:
Tire Inflation:
- Service Stations: Water-lubricated air compressors are commonly used in automotive service stations for tire inflation. They provide a reliable source of compressed air for quickly and efficiently inflating tires to the recommended pressure. The water lubrication system in these compressors helps to reduce friction and wear on internal components, ensuring smooth operation and extended lifespan.
- Tire Shops: Tire shops often utilize water-lubricated air compressors as part of their tire service equipment. These compressors can supply compressed air for tire inflation, tire mounting and demounting machines, and other pneumatic tools used in tire service and maintenance.
Painting and Finishing:
- Spray Painting: Water-lubricated air compressors are also used in automotive painting and finishing processes. Compressed air is used to power spray guns that apply paint or coatings to vehicles during the painting process. The water lubrication system helps maintain the cleanliness of the compressor and prevents oil contamination, ensuring high-quality paint finishes.
- Sanding and Polishing: Compressed air is often used for sanding and polishing automotive surfaces. Water-lubricated air compressors provide a reliable source of compressed air for pneumatic sanders, polishers, and other air-powered tools used in automotive surface preparation and refinishing.
Brake and Suspension Systems:
- Brake Bleeding: Water-lubricated air compressors can be used during brake bleeding procedures in automotive repair and maintenance. Compressed air is used to purge air bubbles from the brake system, ensuring optimal brake performance and pedal feel. The water lubrication system helps maintain the purity of the compressed air, preventing contamination that could affect the brake system’s functionality.
- Suspension Systems: Air suspension systems in vehicles often rely on compressed air for operation. Water-lubricated air compressors provide a continuous supply of clean and lubricated compressed air for inflating and maintaining the air springs or airbags used in vehicle suspensions.
Diagnostic and Testing Equipment:
- Diagnostic Tools: Water-lubricated air compressors are utilized in automotive diagnostic and testing equipment. Compressed air is used to operate pneumatic diagnostic tools, such as vacuum testers, pressure gauges, and leak detectors, that help diagnose and troubleshoot various vehicle systems.
- Testing and Calibration: Automotive testing and calibration equipment, such as dynamometers and emission testing devices, often require a source of compressed air. Water-lubricated air compressors supply the necessary compressed air for precise and accurate testing of vehicle performance, emissions, and other parameters.
Overall, water-lubricated air compressors play a significant role in various automotive applications, including tire inflation, painting and finishing, brake and suspension systems, and diagnostic and testing equipment. Their use helps ensure efficient and reliable operation, improved productivity, and high-quality results in automotive service, repair, and manufacturing processes.
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How Do Water-Lubricated Air Compressors Compare to Oil-Lubricated Ones?
Water-lubricated air compressors and oil-lubricated air compressors have distinct differences in terms of lubrication method, performance, maintenance, and environmental impact. Here is a detailed comparison between the two:
| Water-Lubricated Air Compressors | Oil-Lubricated Air Compressors | |
|---|---|---|
| Lubrication Method | Water is used as the lubricant in water-lubricated compressors. It provides lubrication and heat dissipation. | Oil is used as the lubricant in oil-lubricated compressors. It provides lubrication, sealing, and heat dissipation. |
| Performance | Water lubrication offers efficient heat dissipation and cooling properties. It can effectively remove heat generated during compressor operation, preventing overheating and prolonging the compressor’s lifespan. Water lubrication can be suitable for applications where high heat generation is a concern. | Oil lubrication provides excellent lubrication properties, ensuring smooth operation and reduced friction. It offers good sealing capabilities, preventing air leakage. Oil-lubricated compressors are often preferred for heavy-duty applications that require high pressure and continuous operation. |
| Maintenance | Water lubrication generally requires less maintenance compared to oil lubrication. Water does not leave sticky residues or deposits, simplifying the cleaning process and reducing the frequency of lubricant changes. However, water lubrication may require additional measures to prevent corrosion and ensure proper water quality. | Oil lubrication typically requires more maintenance. Regular oil changes, filter replacements, and monitoring of oil levels are necessary. Contaminants, such as dirt or moisture, can adversely affect oil lubrication and require more frequent maintenance tasks. |
| Environmental Impact | Water lubrication is more environmentally friendly compared to oil lubrication. Water is non-toxic, biodegradable, and does not contribute to air or water pollution. It has a lower environmental impact and reduces the risk of contamination in case of leaks or spills. | Oil lubrication can have environmental implications. Oil leaks or spills can contaminate the environment, including air, soil, and water sources. Used oil disposal requires proper handling to prevent pollution. Oil-lubricated compressors also release volatile organic compounds (VOCs) into the air, contributing to air pollution. |
In summary, water-lubricated air compressors excel in efficient heat dissipation, require less maintenance, and have a lower environmental impact. On the other hand, oil-lubricated air compressors offer excellent lubrication properties and are suitable for heavy-duty applications. The choice between water and oil lubrication depends on specific requirements, operating conditions, and environmental considerations.


editor by CX 2024-02-02
China OEM 90kw Air Cooling Mute High Efficiency Oil Free Dry Twin Screw Industrial Two Stage Air Compressor with high quality
Product Description
| Specification | ||||||||
| Model | Capacitiy (FAD)M3/min | Power kw | Noise level db | Weight KG | ||||
| 7bar | 8.5bar | 10bar | Water Cooling | Air Cooling | ||||
| OFA1 | OFA15 | 2.4 | 2.1 | 1.8 | 15 | 74 | 1,030 | |
| OFA22 | 3.7 | 3.2 | 2.7 | 22 | 74 | 1,070 | ||
| OFA30 | 4.8 | 4.4 | 4.0 | 30 | 74 | 1,300 | ||
| OFA37 | 5.9 | 5.3 | 5.0 | 37 | 74 | 1,355 | ||
| OFA45 | 7.0 | 6.5 | 6.1 | 45 | 74 | 1,390 | ||
| OFA2 | OFA55 | 9.2 | 7.9 | 7.3 | 55 | 74 | 1,860 | |
| OFA75 | 12.2 | 11.2 | 10.7 | 75 | 74 | 1,935 | ||
| OFA90 | 14.7 | 13.5 | 12.7 | 90 | 74 | 2,000 | ||
| OFA3 | OFA110 | 19.3 | 17.2 | 16.0 | 110 | 74 | 3,660 | |
| OFA132 | 22.9 | 19.5 | 18.8 | 132 | 74 | 3,700 | ||
| OFA4 | OFA160 | 29.4 | 25.7 | 23.8 | 160 | 74 | 5,300 | |
| OFA200 | 36.6 | 33.1 | 30.4 | 200 | 74 | 5,380 | ||
| OFA250 | 44.5 | 41.0 | 37.4 | 250 | 74 | 5,450 | ||
| OFA275 | 47.4 | 43.0 | 41.0 | 275 | 74 | 5,500 | ||
| OFA5 | OFA315 | 51.5 | 47.6 | 46.0 | 315 | 74 | 6,000 | |
| OFA355 | 56.3 | 52.6 | 50.4 | 355 | 74 | 9,050 | ||
| OFW1 | OFW37 | 5.9 | 5.3 | 5.0 | 37 | 74 | 1,355 | |
| OFW45 | 7.0 | 6.5 | 6.1 | 45 | 74 | 1,450 | ||
| OFW2 | OFW55 | 8.8 | 7.9 | 7.3 | 55 | 74 | 1,800 | |
| OFW75 | 11.9 | 11.2 | 10.7 | 75 | 74 | 1,850 | ||
| OFW90 | 14.3 | 13.5 | 12.7 | 90 | 74 | 1,925 | ||
| OFW3 | OFW110 | 19.1 | 17.1 | 16.0 | 110 | 74 | 2,635 | |
| OFW132 | 21.9 | 19.6 | 18.9 | 132 | 74 | 2,760 | ||
| OFW4 | OFW160 | 28.3 | 26.1 | 24.2 | 160 | 74 | 3,850 | |
| OFW200 | 36.1 | 33.1 | 30.4 | 200 | 74 | 4,000 | ||
| OFW250 | 43.1 | 41.0 | 37.0 | 250 | 74 | 4,100 | ||
| OFW275 | 46.4 | 43.0 | 41.0 | 275 | 74 | 4,300 | ||
| OFW5 | OFW315 | 50.9 | 47.6 | 46.0 | 315 | 74 | 6,550 | |
| OFW355 | 56.3 | 52.6 | 50.4 | 355 | 74 | 6,950 | ||
| OFW400 | 62.1 | 57.8 | 55.8 | 400 | 74 | 7,050 | ||
| OFW450 | 76.5 | 71.5 | 63.8 | 450 | 74 | 8,400 | ||
| OFW500 | 83.9 | 78.3 | 73.1 | 500 | 74 | 8,400 | ||
| OFW630 | 102.9 | 95.7 | 89.0 | 630 | 74 | 9,125 | ||
| OFW750 | 122.8 | 109.6 | 101.8 | 750 | 74 | 9,225 | ||
| Company Profile |
ZheJiang Napu compressor Technology Co.,LTD was established in 2012 based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors .
With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.
The company is also compliant with ISO 9001:14001 and is CHINAMFG in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.
| Product Features |
1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted
| FAQ |
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO and certificate as clients’ demande.
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.
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| After-sales Service: | Online Support |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Oil-free |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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What Is the Role of Water Separators in Water-Lubricated Compressors?
In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:
Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.
The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:
- Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
- Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
- Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
- Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.
By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.
It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.
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How Does Water-Lubrication Affect the Lifespan of Air Compressor Components?
Water-lubrication can have both positive and negative effects on the lifespan of air compressor components. Here’s a detailed explanation of how water-lubrication can impact the lifespan of air compressor components:
Positive Effects:
- Lubrication: Water-lubrication provides effective lubrication to the moving parts of the air compressor, reducing friction and wear. Proper lubrication helps minimize the stress on components such as pistons, cylinders, and bearings, which can contribute to extended component lifespan.
- Cooling: Water-lubricated systems offer efficient cooling properties. The circulation of water through water jackets or cooling channels helps dissipate heat generated during compression. Effective cooling can prevent excessive temperature rise, reducing the risk of thermal damage and prolonging the lifespan of compressor components.
- Contaminant Control: Water-lubrication can aid in controlling contaminants within the compressor system. Water acts as a medium to trap and remove particulate matter or debris generated during compressor operation. This helps protect components from potential damage and contributes to their longevity.
Negative Effects:
- Corrosion: Water-lubrication introduces moisture into the compressor system, which can increase the risk of corrosion. Corrosion can degrade the integrity of components, leading to reduced lifespan and potential failures. Proper corrosion prevention measures, such as using corrosion-resistant materials or implementing water treatment processes, are essential to mitigate this negative effect.
- Contamination: Although water-lubrication can help control contaminants, it can also introduce impurities and contaminants if the water supply or treatment is not adequately managed. Contaminants such as sediment, minerals, or microbial growth can negatively impact component lifespan by causing blockages, wear, or chemical degradation. Regular maintenance and proper filtration systems are crucial to minimize contamination-related issues.
- System Complexity: Water-lubricated systems can be more complex than oil-lubricated systems, requiring additional components such as water pumps, filters, and separators. The complexity of the system can introduce more points of failure or maintenance requirements, which, if not addressed properly, can affect the overall lifespan of the compressor components.
Proper maintenance, monitoring, and adherence to manufacturer guidelines are essential to maximize the positive effects and mitigate the negative effects of water-lubrication on air compressor components. Regular inspection, cleaning, lubrication, and water treatment can help ensure optimal operation and prolong the lifespan of the compressor components.
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Are Water Lubrication Air Compressors More Environmentally Friendly?
Water lubrication in air compressors offers several environmental benefits compared to traditional lubrication methods. Here are some reasons why water lubrication is considered more environmentally friendly:
- Non-toxic and biodegradable: Water is a natural substance that is non-toxic and biodegradable. It does not contain harmful chemicals or additives that can pollute the air or water systems. When water lubricants are used in air compressors, there is a reduced risk of environmental contamination.
- Reduced air pollution: Traditional lubricants, such as oils or synthetic lubricants, can release volatile organic compounds (VOCs) into the air during operation. VOCs contribute to air pollution and can have detrimental effects on human health and the environment. Water lubrication eliminates the release of VOCs, resulting in improved air quality and reduced air pollution.
- Minimized water pollution: Water lubrication does not introduce additional pollutants into water systems. Unlike oils or synthetic lubricants, water does not leave behind harmful residues or contaminants that can contaminate water sources. This helps to protect aquatic ecosystems and maintain water quality.
- Energy efficiency: Water lubrication can contribute to energy efficiency in air compressors. Water has excellent heat transfer properties, allowing for efficient dissipation of heat generated during compressor operation. By effectively managing heat, water lubrication helps to reduce energy consumption and improve overall compressor efficiency.
- Sustainable resource: Water is a renewable resource that is readily available in nature. Unlike oil or synthetic lubricants, which require extraction and processing, water can be sourced sustainably. This reduces the reliance on finite resources and promotes a more sustainable approach to lubrication in air compressors.
Overall, water lubrication in air compressors is considered more environmentally friendly due to its non-toxic nature, reduced air and water pollution, energy efficiency, and sustainable resource usage.


editor by CX 2024-02-01
China Professional Oil Free Air Compressor Oilless Industry Single Screw Air Comopressors Tr-250va/W 250kw supplier
Product Description
Lead Time
Product Description
TR-250VA/W 0.8-1.25Mpa 8-12.5Bar 10.2-45m3/min 250KW water lubrication single screw oil free type air compressor
Specifications
| Model |
Maximum working Pressure |
FAD |
Motor Power |
Noise |
Pipe diameters of cooling water in and out |
Quantity of cooling water |
Quantity of lubricating water |
Dimension | Weight |
Air outlet |
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Inlet water 32ºC |
L*W*H | ||||||||||||||||||||||
| Mpa | M3/min | KW | DB | T/H | L | mm | KG | ||||||||||||||||
| TR-250VA/W | 0.8 | 13.5-45 | 250 | 80 | 4″ | 53 | 2.4) optimized design, large rotor, low rotary speed (within 3000r/min), without the gearbox.
direct connection drive, it has a lower rotary speed and longer life compared with dry oil-free screw air compressor(10000r/min-20000r/min). 12. Automatic Cleaning System The function of automatic water exchange and automatic system cleaning can be realized, and the interior of the compressor is more clean and sanitary. Introduction Company Information Package Delivery
BACK HOME /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How Do Water-Lubricated Air Compressors Impact Compressed Air Quality?Water-lubricated air compressors can have an impact on the quality of the compressed air they produce. Here’s a detailed explanation of how water-lubricated air compressors can affect compressed air quality: Moisture Content:
Contamination:
Preventive Measures:
By implementing appropriate water separation mechanisms, air treatment systems, and maintenance practices, the impact of water-lubricated air compressors on compressed air quality can be minimized. It is important to consider the specific requirements of the application and follow industry standards and guidelines to ensure the desired compressed air quality is achieved.
Can Water-Lubricated Compressors Be Integrated into Existing Systems?Yes, water-lubricated compressors can be integrated into existing systems, but certain considerations need to be taken into account. Here’s a detailed explanation of integrating water-lubricated compressors into existing systems: Space and Compatibility:
Water Supply:
Installation and Configuration:
System Performance and Optimization:
Overall, integrating water-lubricated compressors into existing systems is possible with proper planning, evaluation, and professional installation. Considering factors such as space availability, compatibility, water supply, installation requirements, and system optimization will help ensure a successful integration and the effective operation of the water-lubricated compressor within the existing system.
Can Water-Lubricated Air Compressors Be Used in Medical Applications?Water-lubricated air compressors can be used in certain medical applications, offering specific advantages for these environments. Here are some considerations regarding the use of water-lubricated air compressors in medical settings:
While water-lubricated air compressors offer several advantages for medical applications, it’s important to note that specific requirements and regulations may vary depending on the type of medical procedure or equipment involved. It is advisable to consult with medical professionals or equipment manufacturers to ensure the suitability and compliance of water-lubricated air compressors for specific medical applications.
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