The valve connection surface structure directly affects the valve sealing performance, installation method and reliability in pipeline system. TWS will briefly introduce the mainstream connection f...
Valves are not only widely used in various industries, but also use different environments, and some valves in harsh working environments are prone to problems. Since valves are important equipment...
Valve foundation
1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN
2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
The check valve designed, manufactured, produced and tested according to the American standard is called the American standard check valve, so what is the standard size of the American standard che...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
Difference in Working Principle Between NRS Gate Valve and OS&Y Gate Valves
In a non-rising flange gate valve, the lifting screw only rotates without moving up or down, and the only part visib...
China Flange Gate Valve and GB Flange Gate Valve Related Videos From Youtube