Danfoss Compressor SH725B4AAV

08/20/2020

What are the requirements of the chiller for the performance of compressor lubricants

The refrigeration compressor is one of the most important components of the chiller, so the lubricating oil (also called refrigerating machine oil) it uses is very demanding.

08/16/2020

Three selection skills and maintenance tips for chiller equipment

The chiller is a kind of water cooling equipment, by injecting a certain amount of water into the water tank in the machine, the water is cooled by the chiller refrigeration system, and then the

07/24/2025

The principle of auxiliary equipment of air conditioning and refrigeration system

The principle of auxiliary equipment of air conditioning and refrigeration system (1) In air conditioning and refrigeration, in order to enable the reliable and stable operation of the refrigeration system and improve the economics of operation

06/28/2022

Introduction to Priming in Pumps

Priming a piston pump is probably the first and one of the most important thing one should do before operating it. Not priming a pump or not doing it properly makes majority of pump problems.

08/09/2020

How to judge the new and old refrigeration compressors

After we buy the chiller, how to judge the old and new problems of the compressor? This requires the accumulation of professional knowledge. Therefore, in view of this, users should master some knowledge about industrial chillers.

07/22/2020

The working principle of cooling and heating of air conditioning

In addition to the cooling function, the heating and cooling air conditioner also has the heating function. The biggest difference from a single-cooling air conditioner is that an electromagnetic four-way reversing valve is installed in the heating and cooling air conditioner.

08/11/2020

Hello everyone, let me introduce to you, what does the standard central air conditioning budget list look like

The standard central air-conditioning budget is roughly composed of three parts: a configuration table, a specific quotation and a detailed list of auxiliary materials.

09/11/2020

Introduction to cleaning and maintenance of temperature control valve of okmarts.com air compressor

The composition of the temperature control valve of okmarts.com air compressor: The temperature control valve is composed of valve body, valve core, temperature sensing element, spring, etc.:

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/14/2020

The role of lubricating oil

The role of lubricating oil 1) A dynamic seal is formed between the screw and the compression chamber and the male and female screws to reduce the leakage of refrigerant from the high-pressure side to the low-pressure side during the compression process.