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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...
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2021-07-13What is the reason for the reliability of metal butterfly valve quality
1. The reason for the selection of hard seal butterfly valve is the selection of materials: the metal butterfly valve mentioned above is made of targeted professional alloy metal materials, so obviousl...
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2021-07-13What should we pay attention to when choosing Y-type filter in public places
The double seat control valve adopts double guide structure and is equipped with multi spring actuator. The utility model has the advantages of compact structure, light weight, sensitive action, large ...
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2021-07-01Structural characteristics of double seat control valve
The double seat control valve adopts double guide structure and is equipped with multi spring actuator. The utility model has the advantages of compact structure, light weight, sensitive action, large ...
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2021-07-01Maintenance Manual of high voltage flame arrester
1) In order to ensure the performance of high pressure flame arrester reaches the purpose of use, before installing the flame arrester, the manual provided by the manufacturer must be carefully read an...
