Danfoss Compressor SH590B4ACQ

05/23/2025

How to select the thermal expansion valve？

1. The role and classification of expansion valves<br></br> Expansion valve is an important part of refrigeration system, generally installed between liquid storage cylinder and evaporator. The expansion valve causes the medium temperature and high pressure liquid refrigerant to become low temperature and low pressure wet vapor through its throttling, and then the refrigerant absorbs heat in the evaporator to achieve the cooling effect.

08/21/2020

Analysis on the Prospects of Low Carbon and Energy Saving Central Air Conditioning

Speaking of central air conditioning, many people are familiar with it. Central air conditioning is installed everywhere in supermarkets, shopping malls, and companies.

06/14/2020

Is PVC or PE good for domestic fresh air system pipes

Is PVC or PE good for domestic fresh air system pipes Fresh air system is a category of light equipment and heavy design. Fresh air equipment is highly dependent on design and construction.

08/12/2020

Disassembly steps and installation precautions of central air conditioning

Air conditioners have been in our lives for a long time. The central air conditioners installed in some homes or other places may be very old. It is time to disassemble, repair, or replace them.

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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06/25/2020

Basic knowledge of air energy

At present, the most commonly used vapor compression heat pumps, compressors, evaporators, condensers, and throttle valves are the four main components. Other auxiliary components include fans, four-way valves, liquid storage tanks, gas-liquid separators, copper pipes, and Protectors and electronic control parts used to ensure the normal operation of the machine, etc. Direct-heating models also include a water flow regulating valve. Schematic diagram of commercial air source heat pump system

06/29/2020

What is the cause of compressor pipeline vibration

08/11/2020

How to effectively reduce the noise of the fresh air system

During the installation and construction of the fresh air system, the fresh air system engineers often encounter that after the fresh air system is installed, the wind speed in the bedroom or study room is too high and the noise is too large

08/20/2020

How to adjust the energy of the compressor of the screw chiller

The compressors used in screw chillers generally have brands such as Taiwan Hanbell and German Bitzer, which belong to the screw compressor series. An obvious feature of this type of compressor is that it can perform an energy adjustment action on it according to different

07/30/2020

Beware of "air conditioning disease" in summer, experts advise not to "greedy cold"

Recently, the high temperature outdoors in Haikou continues. To avoid the heat, many people like to stay in the air-conditioned room for one day. Some people even enter the air-conditioned room immediately after being caught off guard by a thunderstorm, causing cough, headache, runny nose