HONGFA Relay HFD4-3-SR

07/27/2020

Analysis of car air conditioning system

The inside of the car air conditioning system is where bacteria and mold accumulate. Mold will be

09/09/2020

The importance of informatization development of gas storage tank

The technological development of gas storage information technology is to enable enterprises to have better management, and such management is for the better development of enterprises.

09/07/2020

The reason why permanent magnet compressor replaces electric tiger

Energy conservation is the theme of the development of this era. In this era, we will regard energy conservation as a reference value no matter what products we buy. In the past two years,

09/09/2020

Precautions for purchasing screw air compressor

When choosing to purchase a screw air compressor, several parameters need to be evaluated to ensure that the selection is more suitable. Today we will talk about the following points when buying a screw air compressor.

06/29/2020

Compression ratio of American Copeland compressor

08/08/2020

The cold water (freezing) machine displays the reverse phase loss fault quick troubleshooting

The cold water (freezing) machine shows a reverse phase loss fault, which is a common fault of abnormal power supply. The reason for this failure is simple, and it is very convenient to repair, as long as there is a little electrician foundation, it can b–ﰨ2䀀湠疖

08/07/2020

Air source heat pump heating in winter

The air source heat pump is used as the cold and heat source of the central air conditioner. Its advantage is that one machine is used for two purposes. At least one four-way reversing valve is added inside the unit,

08/08/2020

Selection and calculation of differential pressure regulating valve for central air-conditioning chilled water system

In order to ensure that the flow of the chiller in the central air-conditioning chilled water system is basically constant; the operating conditions of the chilled water pump are stable,

09/01/2020

Is energy consumption high in the paper industry Try to change the oil to the air compressor

The paper industry is closely related to the national economy and social development, and it is also a large traditional energy consumption and waste discharger. How to significantly reduce the

08/13/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.