Nidec Fan A34374-82

06/29/2020

How the compressor works

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.

07/26/2020

Why is the refrigeration compressor always overheating protection?

Compressor overheating protection means to protect the compressor motor from being burned. When the motor temperature or the compressor's own temperature exceeds a certain value, some built-in or external protection devices are used to disconnect the compressor's working power supply to achieve protection The role of the compressor.

08/21/2020

Why the air-conditioning supplyreturn water temperature is 7℃-12℃

Reason analysis of 7 degree water supply: 　　 1. Starting from the refrigeration unit, the refrigerant evaporates in the evaporator and absorbs heat to cool the secondary side water. If the evaporation temperature is too low, it will cause frost on the surface of the evaporator and affect the heat transfer efficiency.

08/11/2020

How to maintain the lubrication system of the chiller

In the operation system of the chiller, more attention is paid to the refrigerant circulation system, the chilled water circulation system and the electrical control system of the refrigerator. The lubrication system is often overlooked. As everyone knows, this system is also very important to the chiller.

03/01/2023

The Structure and Basic Working Principle of Air Cylinder

Air cylinder is composed of cylinder barrel, end cap, piston, piston rod, and sealing ring.

08/13/2020

Is the filter of the central air-conditioning air purification device as many as possible

Many people will ask: Is the filter screen of the central air-conditioning air purification device as many layers as possible? the answer is negative. The filter of the central air conditioner air purifier is not based on the number of layers, but on the Pﰨ2䀀湠癐V

08/16/2020

What are the problems with the fan system of air-cooled refrigerators

The fan system of an air-cooled refrigerator is an important part of the air-cooled refrigerator system. The air-cooled refrigerator uses the fan system to dissipate heat for cooling.

08/08/2020

How to choose a multi-effect evaporator

How to choose a multi-effect evaporator The selection of a multi-effect evaporator is mainly selected from the number of effects, the selection of the exhaust steam condenser, and the process. Finally, determine the heating area of ​​the evaporator.

07/02/2024

Proportional Solenoid Valves: Working Principle, Types, Difference and Application, with Diagrams

A proportional solenoid valve is a device that controls the opening degree of a valve by changing the input current to the electromagnet (solenoid coil).