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2022-04-20Where is the welded diaphragm valve applicable
Welded diaphragm valve is a special form of block valve. Its opening and closing part is a diaphragm made of soft material, which separates the inner cavity of the valve body from the inner cavity of t...
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2022-04-20Structural features and performance parameters of flange diaphragm valve
The outstanding feature of the flange diaphragm valve is that the diaphragm separates the inner cavity of the lower valve body from the inner cavity of the upper valve cover, so that the valve stem, va...
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2021-08-09What is the difference between shut-off valve and pneumatic control valve
The function of the pneumatic cut-off valve is to open the conduction and close the cut-off. It is controlled by the solenoid valve. Therefore, the pneumatic shut-off valve must be matched with the sol...
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2021-08-09Working principle and type selection of hand brush filter
The hand brush filter is a semi-automatic cleaning filter. The built-in brush and brush holder of the filter screen are used to brush the dirt, impurities and other particles on the filter screen, and ...
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2021-07-24What manufacturing standards are used for needle stop valves
Needle stop valve adopts manufacturing standard 1. Manufacturing standard: GB / t12224-2005 JB / t7747-1995 2. Connection type: internal thread connection (NPT, G, RC, RP...) 3. Structural features: co...
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2021-07-24What are the common valves?
1. Gate valve It is also called gate valve or gate. The movement direction of the gate valve is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed, but can n...
