Product Description
Products Description
Advantages:
1. China-Japan latest technology cooperation, high reliability.
2. Oil Cooling Permanent Magnetic Motor.
3. IP65 protection grade & heavy duty air filter, suitable for high dusty environment.
4. IE4 Efficiency motor efficiency.
5. Most energy saving mode, Only work at loading.
6. Wide frequency range 25%-100%.
7. Premium Magnetic material resist more than 180ºC temp.
8. Reliable PM motor supplier from Italy.
9. Direct Taper connection, no transmission power loss, easy maintenance.
10.Touch Screen PLC with preset running schedule, more intelligent control.
11. Both main motor and fan motor are inverter control, more accurate control.
12. Easy for installation and service.
13. Fantastic Energy Saving, save up to more than 30-40%.
Details Images
HIGH EFFICIENCY AIREND
High efficiency Airend profile, specially design this PM motor application, optimize the compressor efficiency. * Original world famous bearing brand from CHINAMFG or CHINAMFG or FAG. * Big airend with low RPM to help get better performance, max. RPM is around 1500RPM, extend life span of airend.
HIGH QUALITY PM MOTOR
The motor winding take use of new technology vacuum expoxy potting process, it increase the thermal conducivity and motor insulation protection
Automatic vacuum expoxy processing enhance the motor quality
The new seal technology of winding, it is sealed with expoxy, better protection for winding.
F grade insulation grade, resist up to 180degree, integrated PTC protection.
PM MOTOR COOLING
Liquid Cooling, IP65 PM Motor. Indepent cooling system.
SCR heavy duty air filter
OVERSIZE COOLER
Oversize Cooler to make sure the compressor run max up to 46degree without any problem.
LATEST TOUCH SCREEN PLC
* 7″ Inch touch screen display. * Full feature protection. * Multi intelligent control, like running schedule. * Support Modbus
RTU. * Remote monitoring is option
HIGH EFFICIENCY SEPARATION SYSTEM
Cyclone oil tank design encsure the high separation efficiency. First stage mechanical centrifugal separation. Second stage is high efficiency oil separator. 4000hours life-span of oil separator. The oil content is lower than 3PPM.
LATEST V/F Inverter
* Latest V/F technology Inverter. * CE/UL Certificed Inverter. * Both Motor are inverter control. * High reliable inverter brand proofed in the market. * Professional service support. * Automatic airend speed adjust to match your air demand, help good energy saving
Why Choose EPM2
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Model : |
Energy Saving Series (EPM2) |
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Type: |
Oil Injected Permanent Magnetic CHINAMFG |
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Voltage: |
380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements |
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Working Pressure: |
7bar/8bar/10bar |
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Installed Motor Power: |
55~110 Kw |
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Color: |
Blue |
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Driven Method: |
Taper Connection Direct Driven |
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Air End: |
High Efficiency Airend |
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Trademark: |
CHINAMFG |
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Transport Package: |
Standard Wooden Packing |
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Available Certificate: |
CE, ISO, UL, ASME, GHOST |
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Origin: |
ZheJiang , China |
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application: |
Packing,Painting,Precision Electroplating,Peparing |
PERFORMANCE COMPARISON VSD
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Model |
Rated Pressure (BAR) |
Capacity (m3/min) |
Motor Power (kW) |
Specific Power (kW/(m3/min)) |
Electric Power cost (kW/m3) |
Energy Saving % |
|
SCR100EPM2 |
8 |
16 |
75 |
6.19 |
0.1031 |
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Traditional VSD |
8 |
13 |
75 |
6.9 |
0.115 |
11.5% |
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Traditional VSD |
8 |
16 |
90 |
6.75 |
0.1125 |
9.1% |
10% better performance compare with traditional compressor
PERFORMANCE COMPARISON FIXED SPEED
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Model |
Capacity |
Motor Power |
Specific Power |
Electric Power cost |
Loading Percentage |
Acutal Electric Power cost |
Energy Saving % |
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(m3/min) |
(kW) |
(kW/(m3/min)) |
(kW/m3) |
(kW/m3) |
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||
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SCR100EPM2 |
16 |
75 |
6.19 |
0.1031 |
0.1051 |
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Traditional |
13 |
75 |
6.9 |
0.115 |
0.1251 |
19.03% |
19.03% |
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Traditional |
16 |
90 |
6.75 |
0.1125 |
0.1223 |
16.37% |
16.37% |
16%-20% energy savint compare with traditional compressor
Certifications
Recommend Products
Company Profile
ZheJiang CHINAMFG Co., Ltd(SCR) is a leading compressor manufacturer in ZheJiang , China with rich experience. Our brand “SCR” is the No. 1 native compressor brand in China. Which is also authorized “ZheJiang Famous brand”, “ZheJiang CHINAMFG trade mark”.
As a high-tech company, CHINAMFG focuses on developing and manufacturing of screw air compressor, owning a product family mainly cover stationary, mobile, oil free and frequency compressor. CHINAMFG products passed CE, UL, CSA, ASME certification.
As top native compressor brand, the success of CHINAMFG contributes to the perfect combination of our unremitting efforts and advanced tech globally.
Quality, competitive prices, CHINAMFG CHINAMFG distribution network and service as our hallmark have enabled us to serve our customers around the world. Our products are available in 43 countires covering Europe, America, Australia, Asia, Africa, Middle-East, and in countries such as USA, Canada, U. K., Germany, Hungary, Italy, Spain, Poland, Finland, Russia, Australia, U. A. E, Saudi Arabia, Egypt, Singapore, Thailand, Vietnam, Malaysia, Indonesia, India, South Africa, Morocco, Algeria, Colombia, Mexico, Argentina, Brasil, etc. At same time we have 22 distributors in diffierent countries.
Exhibition
FAQ
1 What trade terms do we provide? What kind of settlement currency do we offer?
Trade term :CIF ,CFR ,FOB,Ex-Works As far Our business traded in Dollars ,Euros and RMB .
2 How long is our delivery?
Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.
3 What is the voltage of the compressor?
The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage according to customer requirement.
4 Can our compressor run in high temperature environment? What is the working temperature range for our machine?
Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which wouldmeet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc. Work temperature range :1-45 ºC(33.8ºF-113ºF)
5 What’s the min. Order requirement ?
Min. Order requirement is 1PCS.
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Can air compressors be used for gas compression and storage?
Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:
Gas Compression:
Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.
Gas Storage:
Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.
Gas Types:
While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:
- Nitrogen
- Oxygen
- Hydrogen
- Carbon dioxide
- Natural gas
- Refrigerant gases
It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.
By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.
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How do you maintain proper air quality in compressed air systems?
Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:
1. Air Filtration:
Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.
2. Moisture Control:
Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.
3. Oil Removal:
If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.
4. Regular Maintenance:
Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.
5. Air Receiver Tank Maintenance:
Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.
6. Air Quality Testing:
Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.
7. Education and Training:
Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.
8. Documentation and Record-Keeping:
Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.
By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.
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What is the difference between a piston and rotary screw compressor?
Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:
1. Operating Principle:
- Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
- Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.
2. Compression Method:
- Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
- Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.
3. Efficiency:
- Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
- Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.
4. Noise Level:
- Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
- Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.
5. Maintenance:
- Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
- Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.
6. Size and Portability:
- Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
- Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.
These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.


editor by lmc 2025-02-24
China Good quality 2021 New High Efficiency (30% Energy Saving) Single Screw Air Compressor 100% Oil-Free Low Pressure Compressors 30kw 4bar with Great quality
Product Description
Lead Time
Product Description
TR30A/WL 6.7Mpa 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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Can air compressors be used for shipbuilding and maritime applications?Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications: 1. Pneumatic Tools and Equipment: Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels. 2. Painting and Surface Preparation: Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces. 3. Pneumatic Actuation and Controls: Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications. 4. Air Start Systems: In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels. 5. Pneumatic Conveying and Material Handling: In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes. 6. Air Conditioning and Ventilation: Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments. These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.
What is the role of air compressors in manufacturing and industrial processes?Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings: 1. Pneumatic Tools and Equipment: Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations. 2. Automation and Control Systems: Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes. 3. Air Blowing and Cleaning: Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations. 4. Air Separation and Gas Generation: Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging. 5. HVAC Systems: Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications. 6. Air Compression for Storage and Transport: Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems. 7. Process Instrumentation: Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes. 8. Material Handling and Pneumatic Conveying: In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer. Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.
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.
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