Butterfly valves are suitable for pipelines that transport various corrosive and non-corrosive fluid media in engineering systems such as coal gas, natural gas, liquefied petroleum gas, city gas, h...
Rubber seated butterfly valve is a popular and widely used type of butterfly valve in various industries. It is known for its reliable performance and versatile applications. There are many types o...
The sealing performance of the valve is one of the main indexes to evaluate the valve quality. The sealing performance of the valve mainly includes two aspects, namely, internal leakage and externa...
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...
The flange butterfly valve is a valve widely used in industrial piping systems. Its primary function is to control the flow of fluids. Due to its unique structural characteristics, the flange butte...