Through the following contents, you can learn more about our self sealing type knife gate valve:

Sealing principle is that the rubbers clap gate. Two seats works together when gate is open, and then work with pipe's pressure to achieve well sealing. Gate can be un-installed to repair then gate is close, instead of un-install all the valve from pipe which influent pipe working. The principle is that diameter rubber seat with strong type. This kind of valve is used for pipe system which is opening and closed usually.