C12A Power Station Gate Valve

C12A power station gate valve is very special material valve which used in super high temperature pipeline in super critical power station unit, working temperature can upto 650℃.  Workinf medium for C12A gate valve usually is high temperature steam.  The main function of such type of valve  is  to cut off or cut on the medium which opearted by electric actuator or gearbox. The sealing principle of pressrue seal gate valve is sealing surface tight off under pressure and they are widely applicated in petrochmical, thermal power plant. Valve material can cover carbon steel, alloy steel, special steel, such as WCB,WC6,WC9,C5,C12, C12A,CrMoV etc.