Product Description
Q1: What information do I need to provide to get the suitable machine?
1. How much air delivery capacity ( Unit:CFM or M3/Min )
2 How much working pressure ( Unit:PSI, Bar or Mpa )
3.What is the voltage and frequency of my country of residence ( V/Hz )
4. Whether I need other accessories such as air tank, filters and/or air dryers.
Tell us the answer, we will offer scheme for you!
Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP
Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug
Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.
Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models
SPECIFICATION
| MODEL | DLM-37-4 |
| Ambient Temperature | -5ºC to +45 ºC |
| Max Pressure (bar) | 4 |
| Air Delivery (m3/min) | 2.5-10.1 |
| Compression Stage | Single Stage Compression |
| Cooling Method | Air Cooled |
| Discharge Temperature (ºC) | ≤ 75ºC |
| Oil Cotent (ppm) | ≤3 |
| Transmission Method | Direct Driven |
| Sound Level dB(A) | 74±3 |
| Lubricating Oil Amount | 17.5L |
| Motor Power | 37KW/50HP |
| Motor Level Of Protection | IP55 |
| Voltage | 380V/3ph/50Hz |
| Dimensions (mm) | 1850×1150×1500(L*W*H) |
| Weight | KG |
| Discharge Outlet Thread | DN50 |
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| After-sales Service: | Video, Live, Site Support |
|---|---|
| Warranty: | 2-Year-Warranty |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Installation Type: | Stationary Type |
| Samples: |
US$ 1800/set
1 set(Min.Order) | |
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| Customization: |
Available
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How are air compressors utilized in the aerospace industry?
Air compressors play a crucial role in various applications within the aerospace industry. They are utilized for a wide range of tasks that require compressed air or gas. Here are some key uses of air compressors in the aerospace industry:
1. Aircraft Systems:
Air compressors are used in aircraft systems to provide compressed air for various functions. They supply compressed air for pneumatic systems, such as landing gear operation, braking systems, wing flap control, and flight control surfaces. Compressed air is also utilized for starting aircraft engines and for cabin pressurization and air conditioning systems.
2. Ground Support Equipment:
Air compressors are employed in ground support equipment used in the aerospace industry. They provide compressed air for tasks such as inflating aircraft tires, operating pneumatic tools for maintenance and repair, and powering air-driven systems for fueling, lubrication, and hydraulic operations.
3. Component Testing:
Air compressors are utilized in component testing within the aerospace industry. They supply compressed air for testing and calibrating various aircraft components, such as valves, actuators, pressure sensors, pneumatic switches, and control systems. Compressed air is used to simulate operating conditions and evaluate the performance and reliability of these components.
4. Airborne Systems:
In certain aircraft, air compressors are employed for specific airborne systems. For example, in military aircraft, air compressors are used for air-to-air refueling systems, where compressed air is utilized to transfer fuel between aircraft in mid-air. Compressed air is also employed in aircraft de-icing systems, where it is used to inflate inflatable de-icing boots on the wing surfaces to remove ice accumulation during flight.
5. Environmental Control Systems:
Air compressors play a critical role in the environmental control systems of aircraft. They supply compressed air for air conditioning, ventilation, and pressurization systems, ensuring a comfortable and controlled environment inside the aircraft cabin. Compressed air is used to cool and circulate air, maintain desired cabin pressure, and control humidity levels.
6. Engine Testing:
In the aerospace industry, air compressors are utilized for engine testing purposes. They provide compressed air for engine test cells, where aircraft engines are tested for performance, efficiency, and durability. Compressed air is used to simulate different operating conditions and loads on the engine, allowing engineers to assess its performance and make necessary adjustments or improvements.
7. Oxygen Systems:
In aircraft, air compressors are involved in the production of medical-grade oxygen for onboard oxygen systems. Compressed air is passed through molecular sieve beds or other oxygen concentrator systems to separate oxygen from other components of air. The generated oxygen is then supplied to the onboard oxygen systems, ensuring a sufficient and continuous supply of breathable oxygen for passengers and crew at high altitudes.
It is important to note that air compressors used in the aerospace industry must meet stringent quality and safety standards. They need to be reliable, efficient, and capable of operating under demanding conditions to ensure the safety and performance of aircraft systems.
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Can air compressors be integrated into automated systems?
Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:
Pneumatic Automation:
Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.
Control and Regulation:
In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.
Sequential Operations:
Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.
Energy Efficiency:
Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.
Monitoring and Diagnostics:
Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.
When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.
In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.
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Are there portable air compressors available for home use?
Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:
1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.
2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.
3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.
4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.
5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.
6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.
7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.
When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.
Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.
editor by CX 2023-12-18
China manufacturer 37kw 3bar Low Pressure Screw Air Compressor Oil Injected Industrial Rotary Screw Air Compressor supplier
Product Description
Product Description
Product features of low pressure screw air compressor:
1. Adopt large rotor and low speed to ensure the high performance of the machine;
2. Increase oil and gas separation equipment to ensure that the export oil content is ≤3ppm;
3. The air source of the low-pressure screw air compressor is clean, which reduces the number of cleaning nozzles of texturing machines and other equipment, and improves the quality of the finished product;
4. The heat dissipation area of the oil cooler is increased by more than 30% to ensure normal operation in summer without over-temperature;
5. Independently design the internal pressure ratio of the host to ensure a better specific power;
6. Intelligent control system, automatically adjust the exhaust volume according to the customer’s usage (frequency conversion model).
7. For the texturing industry, ensure long-term continuous operation, set fault warnings, and do not stop immediately, so that customers are fully prepared for shutdown;
8. Adopting dual air outlet design, the air outlet temperature can be adjusted according to climate changes, meeting customer needs to a greater extent, and achieving high efficiency and energy saving at the same time.
1. Efficient airend
There is no intermediate transmission, so there is no energy loss; direct drive increases reliability and reduces maintenance costs; large rotors run at low speeds, with higher efficiency, lower noise, lower vibration, and lower energy consumption.
2. High-quality independent oil pump forced lubrication design
(1) Forced lubrication with independent oil pump;
(2) Ensure that there is sufficient fuel injection and a better air-fuel mixture ratio under extremely low exhaust pressure (2kg).
3. Increase customized oil and gas separation system
Increase the customized oil and gas separation system to ensure the ultimate oil and gas separation effect and ensure that the oil content of the air is less than 3ppm.
Product Parameters
Low-pressure permanent magnet variable frequency air compressor parameters:
| Model | Volume flow(m3/min) | Pressure(Mpa/bar) | Power(kW) | Noise(DB) | Outlet diameter | Dimension(mm) | Weight(kg) |
| DHH37LM | 10.0 | 0.3/3 | 37 | 65 | G2 | 2000*1120*1590 | 1180 |
| 9.6 | 0.4/4 | ||||||
| 8 | 0.5/5 | ||||||
| DHH45LM | 15.1 | 0.2/2 | 45 | 65 | G2 | 2100*1677*1892 | 2500 |
| 12.2 | 0.4/4 | ||||||
| 9.3 | 0.5/5 | ||||||
| DHH55LM | 22 | 0.2/2 | 55 | 70 | DN150 | 2800*1860*1900 | 3200 |
| 15.61 | 0.3/3 | DN100 | 2100*1677*1892 | 2600 | |||
| 15.48 | 0.4/4 | ||||||
| 12.00 | 0.5/5 | ||||||
| DHH75LMH | 29.5 | 0.2/2 | 75 | 70 | DN150 | 2800*1860*1900 | 3200 |
| 21.5 | 0.3/3 | ||||||
| 21.0 | 0.4/4 | ||||||
| 16.1 | 0.5/5 | DN65 | 2400*1630*1980 | 1850 | |||
| DHH90LMH | 31.0 | 0.2/2 | 90 | 72 | DN150 | 2800*1860*1900 | 3300 |
| 28.8 | 0.3/3 | ||||||
| 21.0 | 0.5/5 | ||||||
| DHH110LMH | 37.0 | 0.2/2 | 110 | 72 | DN200 | 2900*2100*2150 | 4800 |
| 33.0 | 0.3/3 | ||||||
| 28.5 | 0.4/4 | ||||||
| DHH132LMH | 47 | 0.2/2 | 132 | 78 | DN200 | 2900*2100*2150 | 4950 |
| 43.8 | 0.3/3 | ||||||
| 32.5 | 0.4/4 | ||||||
| 28.3 | 0.5/5 | DN80 | 2800*1828*2150 | 3600 | |||
| DHH160LMH | 55.7 | 0.2/2 | 160 | 78 | DN300 | 4500*2200*2200 | 6800 |
| 49.4 | 03/3 | DN200 | 2900*2100*2150 | 5100 | |||
| 43.0 | 0.4/4 | ||||||
| DHH185LMH | 60.0 | 0.3/3 | 185 | 78 | DN200 | 4500*2200*2200 | 6900 |
| 43.0 | 0.5/5 |
Parameters of two-stage low-pressure screw air compressor:
| Model | Volume flow(m3/min) | Power(kW) | Noise(DB) | Outlet diameter | Dimension(mm) | Weight(kg) | |
| 0.45~0.5mpa | 0.55mpa | ||||||
| DHH30LDM | 7.06 | 6.95 | 30 | 68 | G2 | 1600*1060*1470 | 1338 |
| DHH37LDM | 10.0 | 9.20 | 37 | 68 | G2 | 1600*1060*1470 | 1438 |
| DHH45LDM | 11.98 | 11.65 | 45 | 70 | DN65 | 2400*1630*1980 | 1734 |
| DHH55LDM | 15.57 | 15.48 | 55 | 70 | DN65 | 2400*1630*1980 | 1980 |
| DHH75LDM | 18.51 | 18.32 | 75 | 72 | DN65 | 2400*1630*1980 | 2080 |
| DHH90LDM | 22.92 | 22.51 | 90 | 72 | DN80 | 2800*1828*2150 | 4700 |
| DHH110LDM | 26.81 | 26.11 | 110 | 72 | DN80 | 2800*1828*2150 | 4850 |
| DHH132LDM | 32.5 | 31.98 | 132 | 78 | DN80 | 2800*1828*2150 | 4850 |
| DHH160LDM | 41.11 | 40.68 | 160 | 78 | DN100 | 3000*1900*2190 | 5000 |
| DHH185LDM | 43.88 | 43.52 | 185 | 78 | DN100 | 4360*2150*2258 | 7200 |
| DHH220LDM | 55.31 | 55.06 | 220 | 80 | DN200 | 4360*2150*2258 | 7200 |
| DHH250LDM | 60.31 | 60.12 | 250 | 80 | DN200 | 4360*2150*2258 | 7500 |
Company Profile
We’re professional compressor factory since 1996. Germany Standard and 13 years exporting experience help us won more than 50 loyal foreign agents.
Our products line are complete,main products as below.
1. Ordinary fixed speed air compressor
2. Energy saving series:
VSD screw air compressor
Permanent magnet VSD screw air compressor
Double stage PM VSD screw air compressor
3. Oil free series:
Oil free water lube screw air compressor
Dry oil free type
Oil free scroll type
4. Low pressure series:
3-5bar, main for textile industry
0.4-1.5 bar,main for waste water treatment
5. 16bar-30bar special for laser cutting industry
6. After-treat equipment
Refrigerated air dryer
Desiccant air dryer
High efficiency pipeline filter
And all the compressor parts.
Packaging & Shipping
Why choose us
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 |
|---|---|
| Warranty: | 24montrhs |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
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How does variable speed drive technology improve air compressor efficiency?
Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:
1. Matching Air Demand:
Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.
2. Reduced Unloaded Running Time:
Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.
3. Soft Starting:
Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.
4. Energy Savings at Partial Load:
In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.
5. Elimination of On/Off Cycling:
Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.
6. Enhanced System Control:
VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.
By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.
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 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.
editor by CX 2023-11-06