3. Ball Valve
The ball valve evolved from the plug valve. Its opening and closing part is a sphere, and the sphere rotates 90°around the axis of the valve stem to achieve the purpose of opening and...
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 valve is widely used in urban construction, petrochemical, metallurgy, electric power and other industries in the medium pipeline to do cut off or adjust the flow of the best device. Butt...
In the daily use of butterfly valves, various failures are often encountered. The leakage of the valve body and bonnet of the butterfly valve is one of the many failures. What is the reason for thi...
Manufactured valves must undergo various performance tests, the most important of which is pressure testing. Pressure test is to test whether the pressure value that the valve can withstand meets t...
1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline.
2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
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