DEHAHA 15kW 20HP Intelligent PLC Control Permanent Magnet Screw Rotary Industrial Energy Saving Screw Air Compressor

Our DM series rotary variable speed screw air compressor can meet the various application needs of customers.

DM series screw air compressor has the advantages of compact structure, low noise and high energy efficiency. These units are widely used in machinery, light industry, textiles, food production and handling, petroleum, chemical industry, metallurgy, mining, electric power, urban construction, biopharmaceuticals, medical research and other industrial fields.

Energy-saving principle

Using the technology of high-efficiency permanent magnet synchronous motor and changing traditional induction motor, we have a patented design of our product with 100% transmission efficiency. Perfectly matched with converter, our air compressor can change speed automatically to keep best running state and reduce energy loss.

Technical parameter

Permanent Magnet motor
1. IE3 high-efficiency energy-saving PM motor saves energy up to 6-7%, compared with three phase asynchronous motor. PM motor and male rotor are directly connected on one shaft, without transmission efficiency loss 
2. Latest air end, one-shaft structure,more compact, stable, Level 1 national standard of energy efficiency.With the design combination of high performance permanent magnet and special rotor structure, our PM motor's efficiency is 30% greater compared to induction motors of the same size.
3. Due to intelligent inverter technology, PM VSD air compressor saves energy up to 42%.
4.The PM motor has an independent air-cooled cooling system, no need for additional cooling systems.
5. The stator of the motor uses a corona-resistant enameled wire which is specially designed for frequency converters, and features excellent insulating properties and a long service life.
6. The PM motor is designed with a special hermetically-sealed construction, which prevents leakage of lubricating oil.

Inovance frequency inverter

1. The Inovance frequency inverter doesn't need to be directly
connected to the power grid, enabling quick and easy installation.

2. The inovance frequency inverter has a high-speed output under the control of vectors, offering high precision under the circumstance of steady speed.

3.There is a built-in DC reactor.

4. The inovance frequency inverter has a built in braking circuit.

5. The inovance frequency inverter has a global after-sales service network.

Features

1.The DM series rotary screw air compressor is equipped with a permanent magnetic-synchro motor , which can save up to 15% energy compared with common asynchronous frequency conversion screw compressors and 30% energy compared with common screw compressors.

2. The structure of the whole machine is designed to be more compact, saving much space. Also the volume of permanent magnet synchronous motor is twice smaller than that of common motor. With high-efficiency permanent magnet, the life of permanent magnet motor is more than 15 years.

3. With a soft starting method, the instant values of electric current when the motor starts is largely declined, which can protect the motor and other parts of the air compressor.

4. The whole design is more reasonable for insulating the oil circuit and electrical components, which turns out to be more safe. The combination of Teflon hose and steel pipe reduces vibration and noise effectively.

5. With intelligent display, users can watch the real time running of the unit. 

6.  High degree of protection and we can offer you products with protection of IP23, IP54 and IP55.

7. High quality, Our products are CE certified.