SKF Bearing 22205 E

08/24/2020

Why does the cooler temperature drop slowly

1. The cold storage has a large loss of cold due to poor heat insulation or sealing performance. 　　 Poor thermal insulation performance is due to insufficient insulation thickness of pipes, warehouse insulation walls, etc.,

08/05/2020

Comprehensive introduction of central air-conditioning installation auxiliary materials (recommended collection)

Generally speaking, the auxiliary materials required for the installation of household central air-conditioning mainly include the following types:

08/17/2020

Who costs electricity for air-conditioning heating and cooling

Many friends who use air-conditioning know that air-conditioning heating costs more electricity than cooling, but many people do not know why air-conditioning heating costs more electricity than cooling? Why is there such a big difference in the use of th7ﰨ2䀀湠眷

06/25/2020

How to distinguish between screw refrigeration compressor and piston refrigeration compressor

Distinguish from type 　　 Screw refrigeration compressors and piston refrigeration compressors are both volumetric compressors, and screw refrigeration compressors are a new type of high-speed refrigeration compressors.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

02/27/2025

Cooling Tower: Components, Working Principle, Types, Applications, and Precautions

A cooling tower is a device that uses the contact between water and air through the process of evaporation to dissipate waste heat generated in industrial or air conditioning systems.

09/14/2020

Analysis of common failures of air-cooled compressors (1)

There are three common failures in the main components of air-cooled compressors: 1. Failure of the gas circuit system 2. Failure of the oil circuit system 3. Failure of the transmission mechanism. Do some system analysis below

08/05/2020

Refrigeration oil replacement points of screw refrigeration compressors for cold storage equipment

1. The role of lubricating oil:<br></br> 　　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.<br></br>

08/05/2020

How to add R410A refrigerant

The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.

08/13/2020

Decontamination method of cold storage refrigeration pipe

Before installing the cold storage refrigeration pipe, the rust and dirt on the inner and outer walls of the pipe should be thoroughly removed, and the inner wall should be kept dry.