After the valve has been running in the pipeline network for a period of time, various failures will occur. The number of reasons for the failure of the valve is related to the number of parts that...
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. ...
The pneumatic butterfly valve is composed of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve uses a circular butterfly plate that rotates with the valve stem for opening a...
Butterfly valves are a common type of valve in industrial pipelines, playing a critical role in fluid control and regulation. As part of routine maintenance to ensure their normal operation and saf...
The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...