Danfoss Compressor SH970A6ABQ

09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

06/14/2020

Industrial refrigeration screw refrigeration compressor repair

Industrial refrigeration screw refrigeration compressor maintenance, screw refrigeration compressor has the following advantages:

09/06/2020

How to choose the first flange sealing surface form of the pressure vessel using flange connection

The flange welded by the connecting pipe on the pressure vessel cylinder to the flange is the first flange connected to the pressure vessel flange, and the flange that is matched with it is not counted as the first flange, and other flanges.

08/08/2020

7 advantages of screw refrigeration compressors

7 advantages of screw refrigeration compressors As a kind of rotary refrigeration compressor, screw refrigeration compressor has the characteristics of both piston type and power type (speed type).

12/27/2023

Troubleshooting the "Air Conditioner Fan Not Spinning But Hums" Issue

When your air conditioner's fan refuses to spin but emits a distinctive hum, it can be a frustrating and perplexing situation.

11/06/2025

Gas stove solenoid valve working principle and classification

In gas stoves, the working principle of the solenoid valve is to control the mechanical movement by controlling the current of the electromagnet. There is a closed cavity in the solenoid valve of the gas stove, and there are through holes in different po器2䀀
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05/18/2022

How to Measure Air Pressure in A Cylinder?

During use, the cylinder piston bank will deteriorate due to wearing, ablation, gumming, carbon deposition and other reasons.

09/02/2020

Calculation method of air compressor cooling tower selection

More and more air compressors use water cooling, but when it comes to calculating the size of the cooling tower, people often don't know where to start.

08/21/2020

Treatment method of ammonia leakage accident in ammonia refrigeration compressor

During the operation of the cold storage, the maintenance and maintenance of the ammonia refrigeration system are not in place, which will cause some failures in the ammonia refrigeration system.