Danfoss Compressor SH345A6ALR

09/05/2020

What is the basis for the rated flow when selecting the filter

When selecting a filter, the rated capacity should not be selected according to the diameter of the pipe, but the nominal flow of the filter (nameplate flow) should be selected according to the volumetric flow of the compressed air passing through the filter.

08/18/2020

How to safely operate the compressor in an ammonia refrigeration system

Ammonia refrigeration compressor is a very important part of the refrigeration system, and it is also the main operation scope of the refrigeration workers. How to operate correctly is directly related to the safety index of the refrigeration system.

07/07/2020

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

05/24/2022

Working Principle and Composition of Safety Light Curtain?

Safety light curtain is generally used in high-risk mechanical equipment such as punch press, stamping and non-standard machinery to protect workers from personal injury.

05/22/2025

How to Check and Replace Refrigerator Compressor Relay

If your refrigerator has been in use for some time, there may be some faults with the compressor. To troubleshoot the compressor, check whether there is abnormal noise or overheating phenomenon in the relay.

08/06/2020

14 common cold and heat sources and the principles and introduction of air conditioning systems, increase knowledge!

At present, more air-conditioning forms are used. After more than a century of development, there are various forms of refrigeration hosts, which have the advantages of high refrigeration efficiency. It has the following characteristics

09/10/2020

What problems should be paid attention to when operating the centrifugal oxygen compressor

Compared with air compressors, centrifugal oxygen compressors are characterized by their different working media. Oxygen is a strong oxidizer and combustion-supporting agent. Therefore, there are stricter requirements for safety in design, manufacturing, installation, and use management. E.g:

06/14/2020

Hematemesis! Detailed explanation of the most comprehensive knowledge of relay protection

Hematemesis! Detailed explanation of the most comprehensive knowledge of relay protection When the power components in the power system (such as generators, lines, etc.) or the power system itself fails and endangers the safe operation of the power syste器2䀀
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06/14/2020

Can an inverter air conditioner achieve first-class energy efficiency without an electronic expansion valve

Can an inverter air conditioner achieve first-class energy efficiency without an electronic expansion valve Inverter air-conditioning units do not use electronic expansion valve throttling, their own operational safety will deteriorate, and there is no w器2䀀
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06/14/2020

Refrigeration compressor 11 ask, can you answer a few

1. Why control the impurity content and moisture content of the compressor and air conditioning system? Impurities enter the friction surface of the moving parts of the compressor pump body, which can cause abnormal scratches and wear. Impurities enter器2䀀
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