Seeko is one of the leading China Plug Valve manufacturers, welcome to inquiry Plug Valve from our factory.

Some times the small size and low pressure service condition choose plug valve, its torque lower than ball valve, but its torque not steady during operation and the sealing functional is worse than ball valve. It is difficult for machining of plug valve, and its life is not so long. There two plug type included plunger and drift ping. The working principle is firstly getting out, then trunning and changing direction, finally fixed for sealing function. Normally this kinds of valve should be used at down stream.