Product Description
Warm Tips:
If you don’t know which model is suitable for you, please contact we without hesitation, after tell us your requirements, we shall be glad to give you our professional advise. And if all this model don’t suit for you, we have advanced software and professional team of engineers can design product for you. We have customized products for many customers, following are some projects we did before. We can provide designing data and prodcution drawings.
Advantages for our condensing unit:
1. The accessories for the unit include liquid receiver, pressure gage, pressure controller,
sight glass, filter junction box, etc
2. The copper tube of air cooled Condensina units get through the pressure test, meet
the request of normal work.
3.Every part of units is best in corrosion protection.
4. Proper structure, accurate and reliable operating system for the air cooled condensinq unit.
5. Use the high efficiency and large air volume axial fan, with low noise and eneray saving.
Main Parts Brands
Our Factory
Our Cases
Applications
FAQ
1. Who are we?
We are based in ZheJiang , China, starting from 2003, specializing in refrigeration industry for 20 years, and staff in our company is more than 100, meanwhile, our footprints are all over China, playing more and more important role in international market.
2.What can you buy from us?
Refrigeration Compressors, Condensing Units, Refrigeration Equipment, thermal insulation Sandwich Panels and other Parts, also, we provide turn-key solutions and products according to your needs.
3. Why choose us?
We can list the advantages and disadvantages of different solutions (Construction Cost, Running Cost, Maintenance Cost and etc ), which may help you make a decision.
4. How can we guarantee quality?
All parts have gone through strict test before assembly in batch, and the finished goods will go through quality test before packing and shipping, also we provide after-services both online and local technical instruction if necessary.
5. What is your standard delivery time and shipping port?
It usually takes 10~20 working days for standard parts. And for customized products, it may take 20~30 working days. Departing from ZheJiang , ZheJiang and other Ports.
| After-sales Service: | Online & Local |
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| Temperature: | -50-10 Centigrade |
| Refrigerant: | Freon |
| Size: | Large |
| Structure: | Assembled |
| Use Nature: | Production |
| Samples: |
US$ 1000/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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What are the differences between stationary and portable air compressors?
Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:
1. Mobility:
The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.
2. Power Source:
Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.
3. Tank Capacity:
Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.
4. Performance and Output:
The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.
5. Noise Level:
Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.
6. Price and Cost:
Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.
When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.
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How are air compressors utilized in pneumatic tools?
Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:
Power Source:
Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.
Air Pressure Regulation:
Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.
Air Volume and Flow:
Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.
Tool Actuation:
Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.
Versatility:
One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.
Portability:
Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.
Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.
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How is air pressure measured in air compressors?
Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:
1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.
2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.
To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.
It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.
When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.
Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.


editor by CX 2023-12-14
China Standard 380-420V CHINAMFG Zr Series High Quality Hermetic Scroll Compressor Air Compressor for Refrigeration Condensing Unit Cold Room for AC with R407c/R404A arb air compressor
Product Description
PRODUCT DIAPLAY
PRODUCT DATA
Product Feature
The axial and radial flexibility technology of the CHINAMFG vortex ensures the compressor
Excellent reliability and efficiency
Broad product capacity range
Lower oil circulation rate
Superior resistance to liquid hammer
Lower noise and vibration levels
Lower LCCP (Life Cycle Climate Performance)
Dual machine parallel and triple machine parallel, with excellent seasonal energy efficiencyCompared to (needs to be verified or confirmed by CHINAMFG TM)
| 380-420V; 50Hz, 3 Phase | |||||||||
| Typical Model | Nominal Power (HP) | Nominal Capacity | Input power (W) | Current (A) | Displ (cm3/rev) | Weight (kg) | Height (mm) | Noise (dBA) | |
| (W) | (Btu/h) | ||||||||
| ZR24K3E-TFD | 2 | 5,900 | 20,119 | 1,920 | 4.3 | 5.92 | 25.0 | 383 | 69.0 |
| ZR36K3E-TFD | 3 | 8,900 | 30,349 | 2,680 | 5.7 | 8.61 | 28.0 | 406 | 71.0 |
| ZR42K3E-TFD | 3.5 | 10,250 | 34,952 | 3,100 | 7.1 | 9.94 | 28.0 | 406 | 69.0 |
| ZR47K3E-TFD | 3.92 | 11,550 | 39,385 | 3,430 | 7.2 | 11.16 | 30.0 | 436 | 71.0 |
| ZR61KCE-TFD | 5.1 | 14,000 | 47,600 | 4,460 | 8.4 | 3.14 | 28.0 | 436 | 71.0 |
| ZR68KCE-TFD | 5.7 | 14,800 | 54,000 | 5,100 | 8.9 | 3.11 | 39.0 | 436 | 72.0 |
| ZR72KCE-TFD | 6 | 16,600 | 56,500 | 5,150 | 9.1 | 3.22 | 57.2 | 457 | 72.0 |
| ZR81KCE-TFD | 6.8 | 18,600 | 63,500 | 5,990 | 10.9 | 3.17 | 39.0 | 457 | 72.0 |
| ZR94KCE-TFD | 7.8 | 23,000 | 78,600 | 6,950 | 12.9 | 3.34 | 57.2 | 462 | 74.0 |
| ZR108KCE-TFD | 9 | 28,800 | 88,100 | 7,580 | 13.8 | 3.4 | 59.9 | 497 | 74.0 |
| ZR125KCE-TFD | 10.4 | 30,000 | 103,000 | 8,950 | 16 | 3.4 | 61.2 | 552 | 74.0 |
| ZR144KCE-TFD | 12 | 34,500 | 118,000 | 10,150 | 17.7 | 3.4 | 61.2 | 552 | 75.0 |
| ZR160KCE-TFD | 13.3 | 37,500 | 128,000 | 11,450 | 20.5 | 3.28 | 64.9 | 552 | 78.0 |
| ZR190KCE-TFD | 15.8 | 44,000 | 150,000 | 13,650 | 26.5 | 3.22 | 66.2 | 552 | 82.0 |
| ZR250KCE-TWD | 20.8 | 58,500 | 200,000 | 18,000 | 30.1 | 3.25 | 139.3 | 552 | 83.0 |
| ZR310KCE-TWD | 25.8 | 72,500 | 248,000 | 22,300 | 37.9 | 3.25 | 160.1 | 552 | 85.0 |
| ZR380KCE-TWD | 31.7 | 91,500 | 313,000 | 26,700 | 45.5 | 3.43 | 176.9 | 552 | 88.0 |
MAIN PRIDUCTS
OUR COMPANY
CERTIFICATE
| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 12month |
| Installation Type: | Movable Type |
| Lubrication Style: | Oil-free |
| Cylinder Position: | Vertical |
| Structure Type: | Piston |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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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.
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How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.


editor by CX 2023-11-13