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 ...
Choosing butterfly valves over any other type of control valves, such as ball valves, pinch valves, angle body valves, globe valves, angle seat piston valves, and angle body valves, has several be...
Emerson has introduced the first valve assemblies that meet the design process requirements of Safety Integrity Level (SIL) 3 per the International Electrotechnical Commission’s IEC 61508 standard....
Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
1. Structural analysis
(1) This butterfly valve has a circular cake-shaped structure, the inner cavity is connected and supported by 8 reinforcing ribs, the top Φ620 hole communicates with the inne...
Flange butterfly valve is mainly used in industrial production pipeline, its main role is to cut off the circulation of medium in the pipeline, or adjust the size of medium flow in the pipeline. Fl...