SPRAGUE Capacitor 1500V 0.2UF

09/02/2020

3 methods to judge the deterioration of air compressor lubricating oil

Screw air compressor is one of the most widely used air compressors. During the use of lubricating oil, due to its own service life and the influence of various factors such as temperature,

07/20/2020

Analysis of circuit diagrams of two compressors' phase failure protection

Analysis of circuit diagrams of two compressors' phase failure protection Air compressor phase failure protection circuit Protection circuit diagram Air compressor phase failure protection circuit

08/12/2020

Matters needing attention when choosing evaporator for chiller

The evaporator is one of the four major components of the refrigeration system, and it is the ultimate manifestation of the cooling effect and efficiency. The evaporator is generally designed and equipped by the chiller manufacturer

09/14/2020

Maintenance and maintenance of screw air compressor

1. Maintenance and maintenance of intake air filter element. The air filter is a component that filters air dust and dirt, and the filtered clean air enters the compression chamber of the screw rotor for compression. Because the internal clearance of the screw machine only allows particles within 15u to filter out.

05/21/2022

How to Select A Air Cylinder?

There are various of air cylinders and it is very important to choose the appropriate model. We provide you with the process of air cylinder selection as follow.

06/30/2020

What happens if the refrigerant recovery time of the air-conditioning compressor is too long

What happens if the refrigerant recovery time of the air-conditioning compressor is too long At ordinary times, we will need to simply disassemble and assemble the compressor due to certain circumstances. However, if you do not pay attention to certain matters when disassembling, it will cause the compressor to be directly damaged, so you will not be able to compensate for it.

07/30/2020

How to detect inferior refrigerants What's the harm

Inferior refrigerants will affect the performance and stability of the system, and even more serious will cause damage to system components and compressors. The following methods can be used to distinguish whether it is a low-quality refrigerant:<br></br

08/21/2020

Use cooling water circulation to avoid several problems

In the actual operation of the chiller system, there are often the following misoperations: 　　1. Failure to close the inlet valve of the condenser on the chiller that does not need to be opened before starting the machine, causing water leakage.

08/13/2020

How to install large-scale cold storage refrigeration equipment

The cold storage is mainly used as a constant temperature storage air-conditioning equipment for food, dairy products, meat, aquatic products, etc. The cold storage is a kind of low-temperature cold storage and also a kind of refrigeration equipment.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth