NTN Bearing N306

09/09/2020

Precautions for purchasing screw air compressor

When choosing to purchase a screw air compressor, several parameters need to be evaluated to ensure that the selection is more suitable. Today we will talk about the following points when buying a screw air compressor.

08/19/2020

What kind of expansion valve should be used for industrial chiller selection

1. When industrial chiller manufacturers produce air-cooled or water-cooled chillers, they generally use external balance thermal expansion valves when selecting thermal expansion valves.

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

01/02/2021

The Danfoss DNA

Our DNA is about keeping the essence of Danfoss and sits right at the heart of our Core & Clear strategy. The Danfoss DNA The Danfoss DNA Our DNA determines who we are,and where we want to go.It is our essence. Our irreducible core.The foundation of ou器2䀀
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08/14/2020

The similarities and differences between open and water-cooled box chillers

Everyone knows that the classification of chillers is diverse and complex. It is mainly divided into two types: air-cooled chillers and water-cooled chillers. Then subdivided further down.

08/14/2020

Cold storage management, maintenance, use and troubleshooting methods

Treasury management should set up a special team, pay special attention to waterproof, moisture, heat, cold running, and fluorine escape, and strictly control the five barriers of ice, frost, water, doors, and lights.

07/17/2020

Difference between original and refurbished Emerson Copeland Scroll compressor

Difference between original and refurbished Emerson Copeland Scroll compressor Now the most important thing for customers to buy compressors is whether they are genuine. Nobody wants to buy a fake machine after spending money. Here, we briefly introduce how to distinguish the authenticity of the Copeland compressor.

06/14/2020

Comparison of traditional refrigeration compressor and magnetic suspension refrigeration compressor

Comparison of traditional refrigeration compressor and magnetic suspension refrigeration compressor 1. Principle 2. The redundant function of the cooling system; 3. In terms of operating efficiency:

09/06/2020

Classification of solenoid valves

Direct acting solenoid valve 　　 Introduction: 　　There are two types: normally closed and normally open. The normally closed type is closed when the power is cut off.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start