The rubber seated butterfly valve is a kind of valve that uses a circular butterfly plate as the opening and closing part and rotates with the valve stem to open, close and adjust the fluid channel...
Pneumatic butterfly valve plays an important role in our life, is to use the circular butterfly plate rotating with the valve stem to do the opening and closing, in order to realize the pneumatic v...
Introduction:
A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The “butterfly...
1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body.
2.The OS&Y gate valve is driven by the thread transmission between the valve ...
The continuous development of the valve industry (1967-1978)
01 Industry development is affected
From 1967 to 1978, due to the great changes in the social environment, the development of the valve ...
When in use when the valve leakage to do? What is the main reason?
First, the closure of the leakage produced by falling off
Reason.
1, poor operation, so that the closure of the parts stuck or mo...
Hand Wheel Wafer Butterfly Valve Related Videos From Youtube