Check valve refers to the valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium, also known as check valve, one-...
A butterfly valve is a type of quarter-turn valve that controls the flow of a product in a pipeline.
Butterfly valves are usually grouped into two types: lug-style and wafer-style. These me...
Classification and working principle of valve limit switch
June 12th, 2023
TWS Valve from Tianjin, China
Key Words: Mechanical limit switch; Proximity limit switch
1. Mechanical limit switch
Usuall...
Gate valve and butterfly valve are two very commonly used valves. Both of them are very different in terms of their own structure and using methods, adaptability to working conditions, etc. This ar...
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. 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 ...