SMC Solenoid Valve VPA342-01A

06/29/2020

Compressor protection measures against liquid strikes

Compressor protection measures against liquid strikes When too much liquid enters the cylinder and it is too late to discharge it from the exhaust valve, a liquid blow will occur in the cylinder. The high pressure generated during the liquid blow damages the cylinder, piston, connecting rod, etc., so it is necessary to take a Series of protective measures.

08/18/2020

Failure analysis and solutions of various configuration components of refrigeration unit

Reasonably match the refrigeration capacity and refrigeration load of the refrigerator. Adjust the number of operating refrigeration compressors appropriately according to the size of the refrigeration load.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

07/05/2020

Why is frost formed between the electronic expansion valve and the compressor

Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

06/14/2020

Basic knowledge of refrigeration compressors (technical sharing)

Basic knowledge of refrigeration compressors (technical sharing) Compressor, a driven fluid machine that raises low-pressure gas to high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas 器2䀀
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01/06/2025

What is the principle of the chiller shell and tube evaporator

The cold water shell and tube evaporator is made by expanding two-layer metal plates with high-pressure gas or by mechanical pressing. It can also be made of aluminum alloy die-casting.

08/17/2020

Regulations to be observed in the use of cold rooms in civil cold storage

1. Pozzolanic cement and slag cement mixed with pozzolanic materials shall not be used in the cold room of civil construction cold storage; different types of cement shall not be mixed, and two types of cement shall not be used for the same component.

08/11/2020

Treatment method of ammonia refrigerant in refrigeration equipment

When low-pressure equipment needs to be overhauled, it is necessary to cut off the connection between the equipment and the refrigeration system, select a channel, use the refrigeration compressor to suck up the ammonia in the equipment,

08/30/2020

The basic knowledge of diaphragm coupling is very useful for air compressors, come and learn!

Coupling is a mechanical part used to connect two shafts (driving shaft and driven shaft) in different mechanisms to rotate together to transmit torque. In high-speed and heavy-duty power transmission

05/28/2025

8 Well-known Chinese Servo Motor/System Manufacturers

At present, there are more than 20 large-scale servo brands in China. Some of the products of these manufacturers have outstanding quality and performance, which show a certain degree of independence and innovation. These products now have a certain position in the mid-to-high-end market.