China high quality CHINAMFG Permanent Magnet Synchronous Pm VSD Rotary Screw Air Compressor with Converter for Concrete Production air compressor for car

Product Description

DM Series Permanent Magnet Variable Frequency Screw Compressor

Permanent magnet Direct Screw Air End

It is a unique new design, which combines the permanent magnet motor and the speed control frequency converter. It couples with the high quality air end, which shows the advanced CHINAMFG technology.

It can provide the unique energy-saving effect and super reliability. There is no motor bearing. The screwing compressor is driven by the permanent magnet motor. There is no consider about the attrition of the gear,pulley,belt, coupling,shaft seal and the moving parts, which leads to the leak or change parts. Meanwhile, it not need to consider the calibritionfor the gear coaxial seal. The high-effect converter technique will reduce the operating costs prodigiously, which can provide you a real excellent technology.

Model No. Power  Max.  Capacity     Cooling  Driven Starting  Weight(Kg) Air Dimension (mm)
(kw/hp) Pressure (m3/min) Method System Outlet
DM-10A 7.5/10 8 bar 1.2 Oil Direct Frequency 190 G3/4″ 895*590*970
DM-20A 15/20 7bar 2.4 236 G3/4″ 1062*690*1000
8 bar 2.3
10 bar 2.2
DM-30A 22/30 7bar 4.1 370 G1″ 1330*830*1265
8 bar 3.6
10 bar 3.2
DM-40A 30/40 7bar 5.7 450 G1″ 1330*830*1265
8 bar 5.2
10 bar /
DM-50A 37/50 8 bar 6.5 655 G1 1/2″ 1500*940*1415
10 bar 5.6
13 bar 4.9
DM-60A 45/60 7 bar 8.1 730 G1 1/2″ 1500*940*1415
8 bar 7.5
13bar 5.9
DM-75A 55/75 7 bar 10.3 1050 G2″ 1600*1060*1470
8 bar 9.5
13 bar 7.8
DM-100A 75/100 7 bar 13 Air 1291 G2″ 2000*1120*1590
8 bar 12.8
10 bar 11
13 bar 9.5
DM-125A 90/125 7 bar 16.33 1421 G2″ 2000*1120*1590
8 bar 13.65
10 bar 14
13 bar 12.5
DM-150A 110/150 7 bar 20.8 1970 DN65 2400*1630*1980
8 bar 19.6
10 bar 17.8
13 bar 15.5
DM-175A 132/175 7 bar 24.1 2120 DN65 2400*1630*1980
8 bar 23.2
10 bar 19.5
13 bar 17
DM-220A 160/220 7 bar 28.5 2650 DN80 2600*1700*1980
8 bar 27.5
10 bar 23
13 bar 20
DM-250A 185/250 7 bar 33.2 2850 DN80 2600*1700*1980
8 bar 31.2
10 bar 27.5
13 bar 25.8
Motor Efficiency Class:   Ultraefficient/IE3/IE2 as per your required
Motor Protection Class:   IP23/IP54/IP55 or as per your required
Certification:  CE/ISO9001/TUV/UL/SGS/ASME
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,  dual voltage is also ok

1.DHH Permanent Magnet VSD Screw Compressor Energy-saving technology makes it an indispensable part in your factory.

Features
Motor Power:7.5~55(Kw) 
Air Delivery: 0.7~10.3(m3/min)  
Working Pressure:7.0~13.0(Bar)
Cooling Method: Oil cooling
Motor protection class: IP65
High-efficiency, One-piece structure

Motor Power:75~185(Kw) 
Air Delivery:13~33.2(m3/min)
Working Pressure:7.0~13.0(Bar)
Cooling Method: Ail cooling
Motor protection class: IP54
High-efficiency, Significant Energy saving

Certificate

Project case

Shipping and packaging

Customer feedback

About us

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 services

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

FAQ

1.Why customer choose us? 
DEHAHA COMPRESSOR ZheJiang CO.,LTD.with 24 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.

2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.

3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!

4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.

5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines.

6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.

7.How long could your air compressor be used?
Generally, more than 10 years.

8. What’s payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.

9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.

10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CHINAMFG agents and after service available.

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Motor
Cylinder Position: Vertical
Structure Type: Semi-Closed Type
Installation Type: Stationary Type
Customization:
Available

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air compressor

What are the energy-saving technologies available for air compressors?

There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:

1. Variable Speed Drive (VSD) Compressors:

VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.

2. Energy-Efficient Motors:

The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.

3. Heat Recovery Systems:

Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.

4. Air Receiver Tanks:

Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.

5. System Control and Automation:

Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.

6. Leak Detection and Repair:

Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.

7. System Optimization and Maintenance:

Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.

By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.

air compressor

How do you troubleshoot common air compressor problems?

Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:

1. No Power:

  • Check the power source and ensure the compressor is properly plugged in.
  • Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
  • Verify that the compressor’s power switch or control panel is turned on.

2. Low Air Pressure:

  • Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
  • Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
  • Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.

3. Excessive Noise or Vibration:

  • Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
  • Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
  • Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.

4. Air Leaks:

  • Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
  • Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
  • Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.

5. Excessive Moisture in Compressed Air:

  • Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
  • Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
  • Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.

6. Motor Overheating:

  • Ensure the compressor’s cooling system is clean and unobstructed.
  • Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
  • Verify that the compressor is not being operated in an excessively hot environment.
  • Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
  • Consider using a thermal overload protector to prevent the motor from overheating.

If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.

air compressor

Are there air compressors specifically designed for high-pressure applications?

Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:

1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.

2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.

3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.

4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:

  • Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
  • Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
  • Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
  • Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
  • Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.

5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.

When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.

High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.

China high quality CHINAMFG Permanent Magnet Synchronous Pm VSD Rotary Screw Air Compressor with Converter for Concrete Production   air compressor for carChina high quality CHINAMFG Permanent Magnet Synchronous Pm VSD Rotary Screw Air Compressor with Converter for Concrete Production   air compressor for car
editor by CX 2023-12-14