Resilient butterfly valve is a kind of valve, is installed on a pipe, used to control the circulation of medium in a pipe. Butterfly valve is characterized by simple structure, light weight, includ...
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...
Let’s introduce what is the difference between a globe valve and a gate valve.
01
Structure
When the installation space is limited, pay attention to the selection:
The ga...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
For the valves in operation, all valve parts should be complete and intact. The bolts on the flange and the bracket are indispensable, and the threads should be intact and no loosening is allowed. ...
Sand casting: Sand casting commonly used in the valve industry can also be divided into various types of sand such as wet sand, dry sand, water glass sand and furan resin no-bake sand according to ...
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