Danfoss Compressor DSF270A9ALY

07/12/2024

How to Replace the Solenoid Valve Coil

The solenoid valve coil is one of the important parts of the solenoid valve. Once there is a problem, it will seriously affect the normal use of the solenoid valve.

09/03/2020

Commonly used selection marks for compressor lubricants

1) Air-cooled piston shaft output power <20kW, select 32, 46, 100 (ambient temperature <-10 ℃ optional 32) DAA, DAB, DAC air compressor oil;

12/19/2024

Mitsubishi Servo Drive Fault Codes and Troubleshooting Methods

Mitsubishi servo system consists of servo motor, controller, and servo drive (also called servo amplifier), mainly including MR-J2S series, MR-J series, MR-H series, MR-C series, MR-J2 series, MR-J2S series, MR-E series, MR-J3 series, MR-ES series, MR-JE series, MR-J4 series, etc.

08/24/2020

Beware of invisible pollution in air conditioning in summer

"My God, I can't believe that the air conditioner that is blown every day is so dirty." Mr. Huang, who lives in Jiqingmen, said in surprise after opening the air conditioner.

08/09/2020

How to judge the new and old refrigeration compressors

After we buy the chiller, how to judge the old and new problems of the compressor? This requires the accumulation of professional knowledge. Therefore, in view of this, users should master some knowledge about industrial chillers.

06/14/2020

Compressor shutdown for screw compressor repair

Compressor shutdown for screw compressor repair Among the many refrigeration compressors, the screw compressor is the most extensive one. When the screw compressor suddenly stops after working for a day, a reasonable treatment method should be carried ou器2䀀
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06/29/2020

Compression ratio of American Copeland compressor

09/05/2020

What are the effects of the failure of the internal parts of the screw air compressor on the equipment

How can I quickly diagnose the cause of an air compressor failure? I think only by having a good understanding of the internal structure of the air compressor and understanding the functions and functions of each accessory can we find the cause of the failure in time.

09/06/2020

Characteristics and Control of Exhaust Noise of Air Distribution Valve in Pneumatic System

In a pneumatic system, the air intake and exhaust of the cylinder are controlled by an air distribution valve, and the noise generated by the air discharged into the atmosphere through the exhaust port of the distribution valve is often greater than the noise generated by any part of the pneumatic system. And cause serious damage and pollution to the operators and the surrounding environment [2].

08/20/2020

The difference and advantages and disadvantages of air duct machine, water chiller and multi-line

1. Ducting machine-Ducting system 　　 duct type system, as its name implies, uses air as the conveying medium. It uses chillers to centrally produce cold energy, cools/heats the fresh air, mixes it with the return air, and sends it indoors.