Plug Valve, Sleeve Type Soft Sealing Plug Valve, Inverted Pressure Balance Lubricated Plug Valve manufacturer / supplier in China, offering DN50 PN16 Lift-Type Plug Valve , with CF8 Body, Socket Weld (SW) Ends , Sleeved Plug Valve, 1" 150# ASTM A105 Inverted Lubricated Plug Valve and so on.