Danfoss Compressor SM161A9CAP

09/18/2020

okmarts.com Compressor Co., Ltd.

The screw air compressor produced adopts the latest international technology, has a high starting point, and is synchronized with the international advanced technology. The main machine adopts the original main machine of German GHH-RAND company.

09/10/2020

Afternoon tea problems often exist in air conditioning design

The author of okmarts.com came into contact with the HVAC engineering design of some design institutes, and compared the "Code for Design of Heating, Ventilation and Air Conditioning"

08/15/2020

Eight management regulations for condenser operation

1) When the condenser is in use, its pressure does not exceed the specified range. If it exceeds the specified range, then it is easy to cause problems.

06/24/2020

There are really many kinds of air-conditioning compressor patterns revealed

Air-conditioning compressors have always been dubbed the "heart" of air-conditioning by industry insiders, but many small partners do not understand the important object of air-conditioning, and they are also very curious. What does the air-conditioning compressor look like? How are they different? Today, I will briefly explain to the friends the different classifications of air-conditioning compressors

06/14/2020

Failure analysis and analysis of other common failures of screw refrigeration compressor

The compression ratio of the screw machine is too large: it proves that this system completely deviates from the design value. The main phenomena are that the temperature of the exhaust temperature is too high, the suction pressure is too low, and the tem器2䀀
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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.

07/07/2020

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

07/29/2020

R410a refrigerant vacuum training

The first step of vacuuming<br></br> 　　Steps for installing and connecting the internal and external machines...Connect the pipes connecting the internal and external machines, tighten...

08/09/2024

21 FAQs on Refrigeration Compressors (Part 1)

Impurities entering the friction surface of the moving parts in the refrigeration compressor body will cause abnormal scratches and wear. Besides, impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the air conditioning system will block the valve hole or make the valve not close tightly and fail.

07/18/2020

The advantages and disadvantages of screw refrigeration compressor

Power compressor is indispensable when refrigeration equipment is cooling. Such as chillers, chromatography freezers, ice machines, ultra-low temperature refrigerators, etc., their driving force is the refrigeration compressor, the entire refrigerant cycle is the refrigeration compressor