NKK Switch LB25RKG01

05/21/2025

Have you figured out the "enthalpy" and "entropy" of the refrigeration system?

1. Enthalpy<br></br> It is a kind of energy, used to indicate the thermal state parameter of the state of the refrigerant, it represents the size of the total energy of the refrigerant; namely:

09/09/2020

The characteristics of natural gas compressor and the introduction of CNG filling station

The main equipment of CNG filling station consists of compressor unit, metering device, gas purification dryer, gas storage device, charging sequence control panel, gas column, gas vending machine, etc. According to the different functions, it can be divided into three types: standard station, refueling mother station and refueling substation.

08/19/2020

Talking about the purchasing skills of cross-flow closed cooling tower

When purchasing a cross-flow closed cooling tower, the cooling tower must be accurately selected. After calculating the required cooling water volume, cooling capacity, power and other parameters

01/16/2021

Refrigeration compressors are divided into several categories according to the working principle

Refrigeration compressors are divided into several categories according to the working principle 　　Refrigeration compressors can be divided into two types: volume type and speed type according to their working principles.

08/24/2020

Beware of invisible pollution in air conditioning in summer

"My God, I can't believe that the air conditioner that is blown every day is so dirty." Mr. Huang, who lives in Jiqingmen, said in surprise after opening the air conditioner.

07/07/2020

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

08/17/2020

How to choose chillers for small factories

At present, the chiller industry is continuously accelerating the pace of development. More and more different types of chillers have emerged, and many small chiller factories have been born.

08/08/2020

Chilled water flow measurement techniques for chillers

Have you ever wondered how to measure and judge the flow rate of the chiller when you purchased the chiller? Today, the editor brings you the techniques for measuring the flow of chilled water in the chiller, and I hope it will help you.

06/14/2020

Thermal expansion valve

Thermal expansion valve Thermal expansion valves are commonly used in Freon refrigeration systems. Through the function of the temperature sensing mechanism, they automatically change with the temperature change of the refrigerant at the outlet of the ev器2䀀
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08/09/2020

The characteristics of the application of the spray cooling tower of the chiller

The characteristics of the application of the spray cooling tower of the chiller<br></br> We all know that with the rapid economic development, people's living standards continue to improve, and the chiller industry has also made full progress. So what are the characteristics of the application of the spray cooling tower of the chiller? We together look!