Danfoss Expansion Valve REG-SB 25 A STR 148B5413

06/14/2020

What is a heat pump？

"Heat pump" is to convert low-level energy into high-level energy that can be utilized by people. The low energy in nature can come from water, air, soil and so on.

06/14/2020

Analysis of common failures and causes of refrigeration compressors

Analysis of common failures and causes of refrigeration compressors The refrigeration compressor is the heart of the entire refrigeration system and the most important in the refrigeration system. Its main role is to compress the low-temperature and low-器2䀀
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09/07/2020

Basic knowledge of air compressor

Classification of air compressors: 　　 Air compressors are divided into: 　　1, speed type; 　　2, volumetric type; volumetric type is divided into rotary and reciprocating;

08/18/2020

Causes of oil running of chillers and their solutions

During the commissioning of the chiller, I encountered the oil running of the unit many times. Most of the units with this problem used a flooded evaporator. Today, the editor of okmarts.com

06/29/2020

Several causes of compressor burning

08/27/2020

When is the best time to change the bearing oil?

Under normal circumstances, it is very common to replace the lubricating oil in a short period of time, and more grease is often added. Let me explain to you the relevant knowledge below, I hope it will be helpful to you

08/18/2020

Specific factors affecting the cooling effect of air conditioning

In the entire air conditioning and refrigeration system cycle process, the compressor plays a role in compressing and transporting refrigerant vapor and causing low pressure in the evaporator and high pressure in the condenser.

07/12/2020

Future trends of semi-hermetic screw compressors? Unseen companies may be eliminated2

Future trends of semi-hermetic screw compressors? Unseen companies may be eliminated From single-screw to single-machine two-stage, from ordinary type to frequency conversion, environmental protection, energy-saving type, from a single product to the provision of system solutions, the development of semi-hermetic screw compressors has never stopped and has continuously penetrated into major refrigeration projects.

08/07/2020

What are the selection criteria for electronic valves in cold storage systems

The selection of all components in the cold storage refrigeration system must strictly comply with the four basic principles of safety, reliability, applicability and economy.

07/15/2020

CO2 Air Source Heat Pump Heating Technology

CO2 air source heat pump heating technology has the characteristics of strong adaptability to outdoor temperature in cold areas and high outlet water temperature. It has a high heating coefficient under the condition of large temperature difference between supply and return water.