Danfoss Compressor SZ240A9YL

08/06/2020

Refrigeration equipment design the role of solenoid valves, thermal expansion valves, four-way valves, gate valves, and butterfly valves

Electromagnetic valve (Electromagnetic valve) is an industrial equipment controlled by electromagnetic. It is an automation basic component used to control fluid. It is an actuator and is not limited to hydraulic and pneumatic.

08/20/2020

Refrigerant recovery method of industrial chiller

In the repair or maintenance process of industrial chillers, it is necessary to recover the refrigerant to facilitate subsequent repairs and maintenance.

09/09/2020

Compressor companies have caused the misunderstanding of killing, how many tricks have you hit

In recent years, many machinery manufacturing companies, including the compressor industry, have suffered unprecedented tests. Some are not adaptable due to the transformation of the economic system, and there are also "secret injuries" from the company’s own business strategy.

08/19/2020

What needs to be tested for stable operation of industrial chillers

Different companies have different requirements for low-temperature environments. Therefore, when choosing an industrial chiller,

08/20/2020

How to judge the fault based on the indicator light of the ice machine

1. The power indicator light keeps flashing quickly and the machine does not work: The cause of the failure: the water temperature probe is open. Repair method: Open the rear cover, open the cover of the electric control box above the compressor, find a three-core connector, check if there is any dropout or poor contact, then reconnect it.

09/06/2020

The harm of poor quality air filter element to screw air compressor

Inferior air compressor air filters are those that are relatively rough in workmanship and have the same filtering effect. You must know that air filters are the protective umbrella for the heart of the screw air compressor (screw host). If the picture is cheap, use inferior air compressors.

07/20/2020

What are the specific operation methods for the maintenance of cold storage screw compressors?

　 Before the cold storage screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pipeline connected to the compressor should be cut off and the refrigerant and lubricating oil in the compressor should be discharged before the compressor can be disassembled.

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.

06/14/2020

Centrifugal compressor2

Centrifugal compressors, also known as turbine compressors, are mainly used to compress gas. They are mainly composed of a rotor and a stator: the rotor includes an impeller and a shaft, and the impeller has blades, a balance disk, and a part of the shaft器2䀀
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06/29/2020

Compression ratio of American Copeland compressor