ULVAC Vacuum Pump PMB600DT-MF9A1F1I2B1

08/18/2020

How to use low temperature chiller to improve the cooling effect of air cooler

Generally, air coolers are installed outdoors. Therefore, the water temperature of the water storage tray will rise under the high temperature radiation of the scorching sun, which seriously affects the cooling effect.

06/18/2020

Main components of reciprocating compressor_Advantages and disadvantages of reciprocating compressor

Reciprocating compressor<img src="{{media url=&quot;wysiwyg/Main_components_of_reciprocating_compressor_1.jpg&quot;}}" alt="" /> 　　Reciprocating compressor refers to a type of compressor that reciprocates the piston or diaphragm in the cylinder to periodically change the volume of the cylinder and realize the pressurization and delivery of gas. It is a positive displacement compressor. According to the reciprocating components, it is divided into piston type and diaphragm type compressors.

06/29/2020

What is the cause of compressor pipeline vibration

07/05/2020

Hitachi heat pump compressor

Does the compressor not start related to the four-way valve? There is no relationship between the compressor does not start and the four-way valve. Therefore, when the four-way valve coil is damaged, it will not cause the air-conditioning compressor to fail to start normally, nor will the compressor start normally after the good four-way valve coil is replaced.

08/17/2020

What problems with industrial chillers will alarm

In the process of using industrial chillers, many problems will cause industrial chillers to alarm. There are also many ways to alarm, usually light alarm, sound alarm and code alarm.

01/11/2021

Mitsubishi air conditioning repair case sharing

Mitsubishi air conditioning repair case sharing Mitsubishi air conditioner maintenance case sharing Failure phenomenon: Mitsubishi MSH-J12NV split type air conditioner does not rotate the indoor fan after starting, and the rest work normally. Ana器2䀀
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08/20/2020

Debugging method of central air conditioning system

Before the central air conditioner is put into use, the entire system must be debugged. The commissioning of the central air-conditioning system can be divided into: cold water system, cooling system, terminal equipment and air-conditioning host.

08/13/2020

Cold storage refrigeration equipment cleaning sequence

In every well-designed and well-installed refrigeration installation, it is rare that the built-in electromechanical insulation layer is damaged and the electromechanical destruction is caused.

08/17/2020

Points for Attention in the Replacement of Heat Exchange Tubes of Shell and Tube Heat

Exchangers Shell and tube heat exchanger (shell and tube heat exchanger) is also called shell and tube heat exchanger.

08/06/2020

14 common cold and heat sources and the principles and introduction of air conditioning systems, increase knowledge!

At present, more air-conditioning forms are used. After more than a century of development, there are various forms of refrigeration hosts, which have the advantages of high refrigeration efficiency. It has the following characteristics