... produce API and oilfield gate valve, needle valve, mud valve, plug valve, welcome to contact us. Introduction All the oilfield Valves ... Forged body For 10000-15000psi Seals Metal to metal *Plug valve The plug valve is a necessary part that is utilized on ... . Working Principles and character The plug valve consists of the valve body, plug cap, plug and etc. The plug valve is available with the union ...