Danfoss Compressor SH780A7AAR

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.

08/02/2020

The hazards and causes of high exhaust temperature of cold storage compressor

The discharge temperature of cold storage compressors should generally be 15~30℃ lower than the flash point of the lubricant, and not too high.

07/21/2020

11 common protection devices for refrigeration compressors

When the compressor is running, some abnormal conditions may occur, such as: exhaust pressure is too high, suction pressure is too low, oil pressure is insufficient, motor is overheated, excess liquid enters the cylinder, etc. In the event of an abnormal situation, the compressor will be damaged if there is no protective measure.

05/25/2022

How to Install The Safety Light Curtain?

In order to ensure the normal operation and the safety of operators, we must install the safety light curtain according to the correct methods and steps.

07/23/2020

What are the four steps to the safe operation of screw refrigeration compressors?

1 .Preparation:<br></br> 1. Check that the refrigerant, water and electrical equipment system should be normal<br></br>

07/13/2020

Danfoss training-scroll compressor

Danfoss medium temperature refrigeration compressor M series Danfoss MLZ/MLM compressors are specially designed for medium temperature refrigeration applications, using a unique scroll design, providing a variety of refrigerant options (R404A, R134a, R507, R22) cooling capacity covers 2 to 10 horsepower.

11/08/2021

Guide of Siemens Pressure Transmitter: Features, Working Principle and Troubleshooting

Siemens pressure transmitter is a kind of equipment which converts pressure into pneumatic signal or electric signal for control and remote transmission.

09/10/2020

List of relevant air compressor standards

Serial number Standard code standard name Remarks

09/09/2020

Practical application of air compressor in various industries

1. Power industry 　　 　　 Main uses: compressed air systems for instrumentation, compressed air systems for ash removal, factory miscellaneous compressed air systems, water treatment including boiler feed water treatment and industrial wastewater treatment systems, and equipment power compressed air systems in hydropower stations.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start