Danfoss Compressor DSF100A4AAD

09/11/2020

Thrust bearings

Thrust bearing: Rolling bearing mainly used for bearing axial load, its nominal contact angle is 45-90 degrees. According to the difference of nominal contact angle, it is divided into:

07/20/2020

Detailed explanation of the principle composition and failure of the precision air conditioner in the computer room

Know the precision air conditioner: The precision air conditioner can control the temperature and relative humidity to plus or minus 1 degree Celsius, which greatly improves the life and reliability of the equipment.

08/16/2020

What are the precautions for installing the piston ring of ammonia refrigeration accessories

Piston ring is a small part of piston compressor in ammonia refrigeration system. It is used as a metal ring for sealing inside the piston. The piston ring includes a gas ring and an oil ring. It may seem small but it plays an important role.

08/06/2020

Five common problems of refrigeration system, each is broken!

1. Treatment of insufficient refrigerant:<br></br> 　　1. Failure phenomenon:<br></br> The cooling effect of the whole machine is poor, the water outlet is only slightly cool, and the pressure on the high pressure side and the low pressure side are found to be low when checked

09/10/2020

Application of FPGA in the position control of DC motor

In a DC motor control system, the controlled quantity is generally the speed of the motor, and the purpose of control is to keep the speed of the motor at the required fixed value. But in the actual production process

08/02/2020

Are screw refrigeration compressors and piston refrigeration compressors unclear Just make a distinction like this

Screw refrigeration compressor and piston refrigeration compressor are both positive displacement compressors, and screw refrigeration compressor is a new type of high-speed refrigeration compressor.

08/17/2020

What is a plate heat exchanger What are its advantages and scope of application

The plate heat exchanger is stamped into a veneer with corrugated grooves of a certain regular shape from a thin metal plate (usually steel or stainless steel), and then the single pieces are assembled into the required multi-piece group.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/17/2020

Daily maintenance and cleaning methods of screw chillers

Water chillers meet the refrigeration requirements of many companies. Among them, chillers are divided into screw chillers and scroll chillers. Generally, the cooling capacity is greater than 150KW, and screw chillers are used.

08/18/2020

Causes and solutions for low energy efficiency of air energy heat pump units

Air-energy heat pump water heaters are generally used in large places such as hotels, schools, hospitals, bathing centers, etc. Most of them require 24 hours a day to provide hot water.