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...
A. Operating torque
The operating torque is the most important parameter for selecting the butterfly valve electric actuator. The output torque of the electric actuator should be 1.2~1.5 times the ...
1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body.
2.The OS&Y gate valve is driven by the thread transmission between the valve ...
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...