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 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.
/* 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 |
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| 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 Good quality Silent Stationary Oilless Oil-Free Oil Less Non-Lubricated Rotary Screw Air Compressor Manufacturer lowes air compressor
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
/* 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(/(.*?):(.*)$/))&&1
| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Air Cooling and Water Cooling |
| Power Source: | AC Power |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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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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:
- Physical Space: Before integrating a water-lubricated compressor into an existing system, it’s important to assess the available physical space. Water-lubricated compressors may require additional components such as water pumps, filters, and separators, which need to be accommodated within the existing system layout.
- Compatibility: Compatibility between the water-lubricated compressor and the existing system is crucial. Factors such as pressure ratings, flow rates, electrical requirements, and control systems should be evaluated to ensure a seamless integration. It may be necessary to make modifications or upgrades to the existing system to achieve compatibility.
Water Supply:
- Water Source: Integrating a water-lubricated compressor requires a suitable water source. The availability of a clean and reliable water supply should be assessed. The water source can be from a municipal water supply, a well, or other water storage systems depending on the specific requirements of the compressor.
- Water Treatment: If the existing water supply does not meet the necessary quality standards for the water-lubricated compressor, water treatment systems may need to be installed. Water treatment can involve filtration, softening, or chemical treatment to ensure the water is clean and suitable for lubrication.
Installation and Configuration:
- Professional Installation: Integrating a water-lubricated compressor into an existing system typically requires professional installation. Qualified technicians or engineers with experience in water-lubricated compressors should handle the installation process to ensure proper configuration and alignment with the existing system.
- Piping and Connections: The installation may involve connecting the water-lubricated compressor to the existing piping system. Proper sizing, materials, and connections should be used to maintain the integrity of the system and prevent leaks or pressure losses.
System Performance and Optimization:
- System Evaluation: After integrating the water-lubricated compressor, it’s important to evaluate the overall performance of the system. This includes assessing the compressor’s efficiency, lubrication effectiveness, cooling capacity, and any potential impacts on the existing components.
- System Adjustments: Depending on the findings of the system evaluation, adjustments or fine-tuning may be necessary to optimize the performance of the integrated water-lubricated compressor. This can involve adjusting operating parameters, control settings, or making additional modifications to enhance system efficiency and reliability.
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.
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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2024-01-22
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 |
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| 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.
China OEM Oilless High Pressure Rotary Portable Mini Industrial Used Movable Single Max Dental AC Oil Screw Part Parts Piston Free Air Pump Compressor air compressor oilProduct Description
220V 110V China Portable High Pressure Refrigeration Screw Air Compressor Price Our company is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop, a comprehensive first-class exhibition hall and a testing laboratory. We have 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor , 4-in-1 air compressor, Oil free water lubrcating air compressor , Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts. CHINAMFG adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer! Product Parameters&Advantage
Diesel Portable Screw Air Compressor
Advantages of Portable air compressor: 1. Main engine: the main engine and the diesel engine are directly connected through a high elastic coupling with the large diameter rotor design of the third generation 5:6, and there is no increasing gear in the middle. The speed of the main engine is the same as that of the diesel engine and the transmission effectis achieved Higher rate, better reliability, longerlife. 4. Microcomputer intelligent monitoring air compressor exhaust pressure, exhaust temperature, diesel engine speed, oil pressure, water temperature, oil tank level and other operating parameters, with automatic alarm and shutdown protection function. 6. Xihu (West Lake) Dis.nized design , need to maintain the parts within the range of maintenance, maintenance of air filter, oil filter, fuel tank, battery and oilcooler, easy and convenient, reduce the downtime. 7.Easy to move, in bad terrain conditions can still move flexibly.Each compressor is equipped with a lifting ring for safe and convenient lifting and transportation.
If you are interested in our products, please feel free to contact us! Parameters: Product Description
Our Advantages Company Profile ZheJiang CHINAMFG Machinery Manufacturing Co. , Ltd. is located in HangZhou, ZheJiang .CHINAMFG is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop, a comprehensive first-class exhibition hall and a testing laboratory. CHINAMFG has excellent mechanical engineering designers, an experienced staff team and a professional management team. The production concept focuses on energy-saving and is committed to perfecting and improving the technological process in order to get the core technology of super frequency energy-saving, achieving the characteristics of mute, durability, power saving and safety. The company has 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts. CHINAMFG adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer! CHINAMFG air compressors not only cover the domestic market but also are exported to more than 20 countries and regions such as South Africa, Australia, Thailand, Russia, Argentina, Canada and so on. CHINAMFG products have won a good reputation from users for their excellent quality and style. The company has always adhered to the concept of quality first, service first and dedication to providing every customer with excellent products and meticulous after-sales service! CHINAMFG warmly welcome customers to visit our factory and establish a wide range of cooperation!
Certifications Exhibition Packaging & Shipping Customized package FAQ
Q1: Are you factory or trade company? A1: We are factory. Q2: What the exactly address of your factory? Q3: Will you provide spare parts of your products? Q4: Can you accept OEM orders? Q5: How long will you take to arrange production? Q6: Warranty terms of your machine? Q7: Can you provide 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
What Are the Safety Considerations When Using Water-Lubricated Compressors?When using water-lubricated compressors, it is important to prioritize safety to prevent accidents, ensure the well-being of personnel, and maintain the integrity of the equipment. Here’s a detailed explanation of the safety considerations:
It is important to consult applicable safety regulations, codes, and guidelines specific to your location and industry when using water-lubricated compressors. Additionally, follow the manufacturer’s instructions, warnings, and safety recommendations provided with the equipment to ensure the safe operation of water-lubricated compressors and mitigate potential risks.
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.
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:
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.
China Best Sales Dental Portable Hot High Pressure Oilless Free Hand Screw Part Rotary Oil Piston Used Industrial Mini Single Movable Max AC Air Pump Compressor best air compressorProduct Description
Oilless Air Compressor Featuers: Pressure switch automatically controls the start and stop of the machine. 5. Save human power Parts Features 2.Cylinder: made of high-grade cast iron, strength, good lubricity, wall by the fine honing, wear-resistant, durable 3.Piston ring: good elasticity, excellent wear resistance, low oil consumption, not easy to make the valve group carbon deposition and loss of oil to burn the crankshaft and connecting rod. 4.The crankshaft, connecting rod, piston: well balanced, wear resistance, high strength, smooth running balance. 5.High reliable and durable valve; strong aluminum alloy body, light and heat. 6.The motor provides reliable power, low voltage start up and running performance strong fan cooled motor and body; special shock proof design. 7.Double nozzles, were used to direct the exhaust and pressure exhaust; pressure switch with push button, safe and convenient 8.Oil free,silent,protect-environment,suitable for dental use. Frequency Asked Question
We are the manufacturer. It is located in HangZhou City,ZHangZhoug Province,China. FOB,CFR,CIF or EXW are all acceptable. T/T,L/C at sight or cash. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Lubrication Style: | Oil-free |
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| Cooling System: | Air Cooling |
| Power Source: | DC Power |
| Cylinder Position: | Horizontal |
| Structure Type: | Open Type |
| Installation Type: | Movable Type |
| Samples: |
US$ 90/Piece
1 Piece(Min.Order) | |
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| 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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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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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 2023-12-18
China supplier Industrial AC Power Stationary Motor Direct Driven Oilless Electrical Oil Free Rotary Screw Air Compressor Screw Blower with Best Sales
Product Description
Product description
Model High-efficiency screw blower special airend.
•Using the world’s advanced molding lines, the rotor has undergone advanced coating technology, Effectively protect the rotor from rust.
• Labyrinth seal and screw seal assembly to ensure oil-free air, up to to class 0 level.
• Unique lubricating and oil draining channels ensure that bearings and gears are Good lubrication and cooling, while improving the efficiency of the airend.
• Direct drive, built-in gear box in the main engine. more than belt drive Increase efficiency and reliability, and no lossy parts.
High-efficiency oil-cooled permanent magnet motor
• Forced oil cooling motor, low temperature rise, low noise, efficiency reaches 96.7% exceeding IE4 level.
• Protection class IP65, no loss of magnetism at 180ºC, suitable for harsher working conditions
• small volume.
High efficiency air intake filter
Adopt Germany MANN original air intake filter, filtration accuracy 2u, ensure the cleanliness of the air intake of the main engine and prolong the life of the main engine.
Low noise
Equipped with a muffler with small pressure loss to reduce exhaust noise, and a specially designed noise reduction and sound insulation cover, which is specially muffled for intake and exhaust.
| 1 | Model | DHH75BS |
| 2 | Type | Fixed permanent magnet series oil-free screw blower |
| 3 | Dimensions(Length*width*height) | 1900*1250*1720mm |
| 4 | Installation method | Fixed installation without foundation |
| 5 | Rated displacement | 24.7m3/min |
| 6 | Pressure adjustment range | 120 kPa |
| 8 | Exhaust gas temperature | 130ºC |
| 9 | Compression level | Single-stage |
| 10 | Transfer method | Direct |
| 11 | Compressed oil consumption | 20 L |
| 12 | Cooling method | Wind cold |
| 13 | Cooling air volume | 4400 m3/h |
| 14 | Ambient temperature | 0 ~ 45 ºC |
| 15 | Noise | ≤85 dB(A) |
| 16 | Power | 22 kW |
| 17 | Voltage | 380/50 V/HZ |
| 18 | Start method | Frequency conversion start |
| 19 | Motor protection level | IP65 |
| 20 | Insulation class | F |
| 21 | Fan power | 0.86 kW |
| 22 | Gas outlet pipe diameter | DN200 PN1.0 |
Technical Parameters
| Model | Exhaust pressure (kpa) | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | Dimensions(mm) | Exhaust diameter | ||||||||||
| DHH-XXX-BS | Air Delivery(m3/min) | 8.68 | 7.40 | 6.20 | 5.5.60 | 5.00 | 4.60 | 5.70 | 5.20 | 4.80 | 4.40 | 4.00 | 6.00 | 1266*980*1510 | DN125 PN1.6 | ||||||||||
| Power(kW) | 11 | 11 | 11 | 11 | 11 | 11 | 15 | 15 | 15 | 15 | 15 | 22 | |||||||||||||
| Air Delivery(m3/min) | 11.50 | 10.30 | 8.90 | 8.20 | 7.50 | 6.30 | 9.41 | 8.60 | 8.00 | 7.30 | 6.50 | 8.60 | |||||||||||||
| Power(kW) | 15 | 15 | 15 | 15 | 15 | 15 | 22 | 22 | 22 | 22 | 22 | 30 | |||||||||||||
| Air Delivery(m3/min) | / | / | / | 10.50 | 9.91 | 10.00 | / | / | / | 9.20 | 8.70 | / | |||||||||||||
| Power(kW) | / | / | / | 18.5 | 18.5 | 22 | / | / | / | 30 | 30 | / | |||||||||||||
| Air Delivery(m3/min) | 21.60 | 21.40 | 18.10 | / | / | / | 20.10 | 15.50 | 18.10 | / | / | 14.50 | 1900*1250*1720 | DN200 PN1.0 | |||||||||||
| Power(kW) | 18.5 | 22 | 22 | / | / | / | 37 | 30 | 37 | / | / | 45 | |||||||||||||
| Air Delivery(m3/min) | 24.20 | 28.70 | 25.92 | 16.50 | 14.60 | 18.10 | 25.30 | 19.10 | 20.20 | 14.70 | 17.20 | 16.90 | |||||||||||||
| Power(kW) | 22 | 30 | 30 | 22 | 22 | 30 | 45 | 37 | 45 | 37 | 45 | 55 | |||||||||||||
| Air Delivery(m3/min) | 33.10 | 34.40 | 31.60 | 23.10 | 20.50 | 23.70 | 30.80 | 23.50 | 25.10 | 18.00 | 19.50 | 24.70 | |||||||||||||
| Power(kW) | 30 | 37 | 37 | 30 | 30 | 37 | 55 | 45 | 55 | 45 | 55 | 75 | |||||||||||||
| Air Delivery(m3/min) | 40.50 | 40.60 | 38.30 | 28.22 | 25.74 | 28.22 | 28.10 | 33.10 | 22.80 | 28.10 | / | ||||||||||||||
| Power(kW) | 37 | 45 | 45 | 37 | 37 | 45 | / | 55 | 75 | 55 | 75 | / | |||||||||||||
| Air Delivery(m3/min) | / | / | / | 31.10 | 30.00 | 34.60 | / | 37.60 | / | 30.00 | / | / | |||||||||||||
| Power(kW) | / | / | / | 45 | 45 | 55 | / | 75 | / | 75 | / | / | |||||||||||||
| Air Delivery(m3/min) | / | / | / | 43.00 | 38.00 | / | / | / | / | / | / | / | |||||||||||||
| Power(kW) | / | / | / | 55 | 55 | / | / | / | / | / | / | / | |||||||||||||
| Air Delivery(m3/min) | 50.50 | 53.00 | 46.80 | 59.50 | 55.00 | 50.00 | 44.40 | 50.00 | 43.10 | 41.10 | 34.30 | 30.00 | 2352*1500*2140 | DN300 PN0.6 | |||||||||||
| Power(kW) | 45 | 55 | 55 | 75 | 75 | 75 | 75 | 90 | 90 | 90 | 90 | 90 | |||||||||||||
| Air Delivery(m3/min) | 65.2 | / | 60.00 | / | 65.50 | 56.00 | 55.00 | / | 51.50 | 48.20 | 40.80 | 41.00 | |||||||||||||
| Power(kW) | 55 | / | 75 | / | 90 | 90 | 90 | / | 110 | 110 | 110 | 110 | |||||||||||||
| Air Delivery(m3/min) | / | / | / | / | / | / | / | / | / | 59.60 | 55.00 | 48.60 | |||||||||||||
| Power(kW) | / | / | / | / | / | / | / | / | / | 132 | 132 | 132 | |||||||||||||
| Air Delivery(m3/min) | / | 73.50 | 79.00 | 75.30 | / | 77.20 | 73.50 | 64.20 | 64.00 | 71.00 | 75.00 | 62.10 | 2352*1600*2641 | DN300 PN0.6 | |||||||||||
| Power(kW) | / | 75 | 90 | 90 | / | 110 | 110 | 110 | 132 | 160 | 160 | 160 | |||||||||||||
| Air Delivery(m3/min) | 82.10 | 83.50 | 90.40 | 88.00 | 80.50 | 83.30 | 80.00 | 75.20 | 75.50 | 89.1 | 81.5 | 76.90 | |||||||||||||
| Power(kW) | 75 | 90 | 110.00 | 110 | 110 | 132 | 132 | 132 | 160 | 185 | 185 | 185 | |||||||||||||
| Air Delivery(m3/min) | 92.10 | 100.00 | 101.00 | 97.10 | 97.60 | 92.00 | 80.20 | 96.5 | 96.4 | 90.5 | 81.30 | ||||||||||||||
| Power(kW) | 90 | 110 | 132 | 132 | 160 | 160 | 160 | 185 | 200 | 200 | 200 | ||||||||||||||
| Air Delivery(m3/min) | 129.70 | 129.50 | 109.10 | 118.70 | 108.50 | 118.10 | 107.90 | 107.60 | 107.30 | 107.00 | 106.70 | 106.40 | 3500*2255*2370 | DN350 PN1.0 | |||||||||||
| Power(kW) | 110 | 132 | 132 | 160 | 160 | 185 | 185 | 185 | 200 | 220 | 250 | 250 | |||||||||||||
| Air Delivery(m3/min) | 150.00 | 162.70 | 139.40 | 139.10 | 128.50 | 128.20 | 117.80 | 117.50 | 117.20 | 116.90 | 126.70 | 126.40 | |||||||||||||
| Power(kW) | 132 | 160 | 160 | 185 | 185 | 200 | 200 | 220 | 220 | 250 | 280 | 280 | |||||||||||||
| Air Delivery(m3/min) | / | / | 162.40 | 149.60 | 138.80 | 138.50 | 127.90 | 137.90 | 127.30 | 127.00 | 137.00 | 136.70 | |||||||||||||
| Power(kW) | / | / | 185 | 200 | 200 | 220 | 220 | 250 | 250 | 280 | 315 | 315 | |||||||||||||
| Air Delivery(m3/min) | / | / | 162.10 | 149.30 | 161.50 | 148.70 | 148.40 | 137.60 | 147.80 | 147.50 | 147.20 | ||||||||||||||
| Power(kW) | / | / | / | 220 | 220 | 250 | 250 | 280 | 280 | 315 | 355 | 355 | |||||||||||||
| Air Delivery(m3/min) | / | / | / | / | 161.80 | / | 161.20 | 160.90 | 160.60 | 160.20 | / | / | |||||||||||||
| Power(kW) | / | / | / | / | 250 | / | 280 | 315 | 315 | 355 | / | / | |||||||||||||
Oil-injected screw compressor
Advantages: The pressure is stable, and it can be post-installed to remove water, dust and bacteria;
Disadvantages: Exhaust gas contains a lot of oil, causing pollution to the cloth, which does not meet the production requirements of melt-blown cloth.
Roots screw blower
Advantages: The exhaust does not contain oil or water
Disadvantages: The exhaust temperature is too low, contrary to the temperature requirements of the mold spinneret, which originally required heating and constant temperature, but he sent cooling air, which is likely to cause unstable melting temperature. The spinneret contains crystals, dust, and Bacteria, the pressure is unstable, because of its characteristic is that there is no pressure ratio, the outlet pressure is 80kpa, if you want to add sterilization and pre-dust removal, it will cause insufficient pressure, and the spinner does not form or block.
Oil-free screw blower
Advantages: stable pressure (40kpa ~ 150kpa variable frequency adjustable), high exhaust temperature (outlet 120 degrees Celsius), helps to constant melting temperature, can be oil-free, water-free, dust-free, sterile
Disadvantages: the price is more expensive
Comprehensive comparison of the performance of various types of blowers
Certificate
Project Case
As a new environmental protection and energy saving product, oil-free screw blower can be widely used in various industries. The main industries are:
1. Water treatment
Mainly used for aeration to fully mix water and reactants
Industry: Municipal / industrial wastewater treatment, electronics industry, papermaking, metallurgy, leather, printing and dyeing, etc.
2. Transportation
Mainly used for light particle powder and line conveying
Industry: Production of cement, lime powder, titanium dioxide chemical fiber micronets, etc.
3. Biological fermentation and breeding
Mainly used for oxygen supply and stirring
Industry: Food, brewing, breeding oxygen supply, cement / smelting desulfurization and denitrification, etc.
3. Powder conveying
Mainly used for powder transportation of light particles
Industry: Production of cement, lime powder, titanium dioxide, etc.
Customer Feedback
Packaging and Shipping
Our workers pack the tested air compressors in wooden cases. After the packaging is completed, the air compressor will be transported to the port and then shipping to the world.
Company Profile
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society.
Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.now our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.
Dehaha continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly to reach the business principle “Energy Saving First, Mutual Value Shared”. The production line of CHINAMFG is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment,etc.
Dehaha mission is to be a world-renowned high-end brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff. Committed to offer our customers a silent and energy-saving manufactured products.
Our Service
1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots.
6.All kinds of technical documents in different languages.
Why choose us?
1.Quality Guarantee
With more than 24 years industry experience and our compressor approved by CE, ISO9001, SGS, And TUV test.The raw materials are strictly inspected and Some key parts are imported from overseas.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
2.Warranty Period
The complete machines are proviede with one-year warranty, and the compressor air end with Two-year warranty and lifetime maintenance(With the exception of wearing parts)
3. Installation and Commissioning
Provied customers with installation and commissioning instructions,and all service-providing personnel are strictly trained technically by our company.
4.After -sales Services
Our company has service network in world, giving prompt replies to customers after notified within 24~48hours for troubleshooting.
5.Spare Parts
Our company always supply spare parts on most favorable terms.
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou(Close to ZheJiang ), China, more than 24 years.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1.The raw materials are strictly inspected
2. Some key parts are imported from overseas
3.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
| After-sales Service: | Online Support |
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| Warranty: | 24months |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
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 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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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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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.


editor by CX 2023-11-27
China OEM Oil Free Air Compressor Oilless Industry Single Screw Air Comopressors Tr30A/W 30kw with Hot selling
Product Description
Lead Time
Product Description
TR30A/WL 0.4Mpa 4Bar 6.7m3/min 30KW screw type energy-saving low pressure oil free air compressor
Specifications
| Model | Maximum working Pressure | FAD | Motor Power | Noise | Pipe diameters of cooling water in and out | Quantity of | Quantity of lubricating water | Dimension | Weight | Air outlet | ||||||||||||||||||||||||||||||||||||||||||
| cooling water | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Inlet water | L*W*H | |||||||||||||||||||||||||||||||||||||||||||||||||||
| 32ºC | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mpa | M3/min | KW/HP | DB | T/H | L | mm | KG | |||||||||||||||||||||||||||||||||||||||||||||
| TR30A/WL | 0.4 | 6.7 | 30/40 | 66 | 1 1/2″ | 7 | 50 | 1650*1180*1505(A) 15.4) 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
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How Do Water-Lubricated Air Compressors Contribute to Energy Savings?Water-lubricated air compressors can contribute to energy savings in several ways, making them an attractive option for industries looking to optimize their energy consumption. Here are the key ways in which water-lubricated compressors help achieve energy efficiency:
By combining these energy-saving features, water-lubricated air compressors help optimize energy consumption, reduce operational costs, and minimize the environmental impact associated with compressed air systems. Implementing water-lubricated compressors with a comprehensive energy management strategy can result in significant energy savings and improved overall sustainability for industrial operations.
Are There Any Restrictions on the Type of Water Used in Water-Lubricated Compressors?When it comes to water-lubricated compressors, there are certain restrictions and considerations regarding the type of water that can be used. Here’s a detailed explanation of the restrictions on the type of water used in water-lubricated compressors: Water Quality:
Water Temperature:
Water Treatment:
Manufacturer Recommendations:
By considering the cleanliness, chemical composition, temperature, and appropriate water treatment measures, the type of water used in water-lubricated compressors can be optimized to meet the requirements specified by the manufacturer. Adhering to these restrictions helps ensure efficient and reliable operation of the compressor while minimizing the risk of component damage or performance issues.
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:
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.
China best Oilless 15kw 20HP Combined Rotary Screw Air Compressor with Receiver Tank 400L and Dryer for Laser Cutting air compressor lowesProduct Description
Oilless 15KW 20HP Combined Rotary Screw Air Compressor With Receiver Tank 400L and Dryer For Laser Cutting
Main Features: 1. The flexible belt will be automatically tensioned in use. Through adjusting the tension, minimize the loss of pressure and power, to enhance the efficiency of compression. 2. Using the precise spin-oil separator and special two-pole buffer separation, it can minimize the oil consumption, guarantee the outlet gas purity, and extend the lifetime of filter elements. 3. With the toothed V-belt, it has good heat dissipation, long life, higher gear drive and transmission efficiency, as high as over 98%. Oil Filter: Good Quality filters ensure longer working life and save the maintenance time and cost. Stainless Steel Hoses: High and low temperature resistant, high pressure resistant. Compressed Air Vessel: Reduction of pressure drops and energy costs, quality air with low oil content. Air End: Imported DLOL air end, advanced profile design. Electric Motor: Premium efficiency Totally TEFC IP54/IP55 motor (Class F insulation) protects against dust and chemicals etc. Air Filter: Two-stage dust removal and filtering system with efficiency of up to 99.9% even in heavy-duty environment. Cooler: High quality aluminum material, alternating expression cooler fins, ensure the perfect radiating effect. Technical parameters:
Our workshop:
What is the impact of humidity on compressed air quality?Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality: 1. Corrosion: High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment. 2. Contaminant Carryover: Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes. 3. Decreased Efficiency of Pneumatic Systems: Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy. 4. Product Contamination: In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing. 5. Increased Maintenance Requirements: Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts. 6. Adverse Effects on Instrumentation: Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals. To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.
How are air compressors employed in the mining industry?Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining: 1. Exploration and Drilling: Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits. 2. Ventilation and Air Quality Control: Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas. 3. Material Conveyance: In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials. 4. Dust Suppression: Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility. 5. Instrumentation and Control: Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes. 6. Explosive Applications: In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives. 7. Maintenance and Repair: Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment. It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions. By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.
What is the role of air compressor tanks?Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions: 1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air. 2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment. 3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation. 4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air. 5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor. 6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow. Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.
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