SKF Bearing 61908-2RZ

06/29/2020

Compression ratio of American Copeland compressor

08/02/2020

Summary of parameters and phenomena of air conditioning refrigerationheating system

Summary of parameters and phenomena of air conditioning refrigerationheating system 1. R22 refrigeration working state parameters 　　(1) During summer cooling, the normal low pressure of the refrigeration system is between 0.4～0.59MPa.

08/11/2020

What are the requirements for the coefficient of performance (COP) of the chiller

Choosing the right chiller needs to focus on understanding the chiller's cooling capacity, chilled water capacity, thermal efficiency, water tank capacity, temperature control accuracy, water

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

06/14/2020

York NGC200 Petroleum Coal Chemical Screw Refrigeration Compressor Oil Temperature Excessive Failure Overhaul

York NGC200 Petroleum Coal Chemical Screw Refrigeration Compressor Oil Temperature Excessive Failure Overhaul York NGC200 Petroleum Coal Chemical Screw Refrigeration Compressor Oil Temperature Excessive Failure Overhaul, Oil Temperature Excessive Failureﰸ2䀀
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07/02/2020

Talking about several common types of Copeland compressors

Talking about several common types of Copeland compressors Copeland compressors, which consist of casings, motors, cylinders, pistons, control equipment (starters and thermal protectors), and cooling systems, are used very often in air conditioning and cold storage.

09/06/2020

Spindle design of machining center and high-speed precision CNC milling machine

High-speed machining can not only double the production efficiency, but also further improve the machining accuracy and surface quality of parts, and solve some of the high-efficiency machining problems of some special materials that are difficult to solve in conventional machining. Therefore, high-speed machining has caused a high degree in the world. Pay attention.

08/09/2020

Can you answer these common basic knowledge questions about refrigeration compressors?

1. Why should the compressor run continuously for at least 5 minutes, and stop for at least 3 minutes after shutting down before restarting?

09/01/2020

Integrity and Self-discipline Voluntary Certification

Recently, two major events affecting the entire compressor industry have occurred one after another in the industry: First, the annual ComVac ASIA (ComVac ASIA) was successfully held in Shanghai.

09/07/2020

Dry air compressor sales, please keep these seven words in mind!

【move】 　　 Work does not raise idlers, and the team does not raise idlers. 　　Go every day, not afraid of thousands of miles; 　　 Do it often, not afraid of everything.