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Power station check valve, also known as the special valve for power station, is mainly used in various systems of thermal power station, to prevent the backflow of media, to prevent the reversal of the pump and its drive motor, as well as the release of media in the container.Power station check valves can also be used in piping where pressure may rise above the main system pressure to supply the auxiliary system.Applicable medium: water, steam and other non-corrosive medium.Power station valve and other valve products compared with the characteristics of high temperature and high pressure, self-sealing design, the higher the pressure, the more reliable the seal.Due to the special performance, technical characteristics and working conditions, the product has formed the characteristics that other products cannot replace.The connection of globe valve end in power station is mostly welded structure.