Lubricated Plug Valves

Lubricated Plug Valves features plug the opening and closing parts is a cylindrical hole, around the vertical axis of rotation on the channel, so as to achieve the purpose of opening and closing of the channel. Plug for the opening and closing the main pipe and the device media, the plug body to rotate with the stem in order to achieve the opening and closing action. Small non-filler plug, also known as "Hancock." Plug the plug body mostly cone (also cylinder), with tapered bore sealing surface of the valve body with the composition deputy. The first is the use of a plug valve, simple structure, switch quickly, fluid resistance.