Renishaw Encoder RGH20X30A00A

07/07/2020

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

08/14/2020

Trouble shooting and correct selection method for thermal expansion valve debugging

As we all know, the thermal expansion valve is one of the four major components in the refrigeration system. It is responsible for reducing the refrigerant from the condensing pressure to the evaporating pressure in the system

08/09/2020

Leak detection, drainage, and vacuum operation methods of the refrigeration system in the computer room

The refrigeration system is indispensable for the computer room. Leak detection, sewage discharge, and vacuuming in the refrigeration system protect the refrigeration system so as to prevent the dirt in the system from entering the compressor and throttle valve

09/05/2020

What is the energy-saving effect of permanent magnet variable frequency screw air compressor

The permanent magnet variable frequency screw air compressor is the hottest air compressor product in the air compressor market, and it is the focus of attention of the majority of businesses and users.

09/09/2020

The classification and function of filters

air filter The prototype of 　　 air filter is a respiratory protection device used by people to protect the breath. According to records, as early as the first century in Rome, people used hemp masks for protection when they purified mercury. In the long time since then, air filters have also made progress,

07/11/2020

Screw air compressor maintenance

Screw air compressor maintenance 1. Air intake filter The air filter is a component that filters out air dust and dirt. The filtered clean air enters the screw rotor compression chamber to be compressed.

07/23/2020

Analysis of Overheating Failure of Refrigeration Compressor

The main reasons for the overheating of exhaust temperature are as follows: high return air temperature, large heating capacity of the motor, high compression ratio, high condensation pressure, and improper refrigerant selection.<br></br> <br></br>

04/29/2025

Difference between AC, DC and EC Fans

AC fans, DC fans and EC fans are classified according to their power supply type and motor type respectively. They differ in drive method, performance and application range.

06/14/2020

Disposal method of ammonia leakage accident of ammonia refrigeration compressor

On 2020.2.8, a batch of much-needed protective materials donated by Danfoss and Abena, a world-renowned health care product manufacturer, will be sent from Denmark to China to support China's fight against new coronary pneumonia. The total price of this b器2䀀
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08/25/2020

The new era of dual-supply air-conditioning refrigeration, floor heating and heating trend has arrived

For heating equipment, many people will have doubts. The central air conditioner installed in the home already has heating function. Do you still need to install floor heating? Please, what is the age, are you still using air conditioning for heating?