国产午夜福利短视频-国产精品刘玥久久一区-亚洲无线一二三四区手机-国产网站视频-成人av黄色-欧美城天堂网址-性色蜜桃臀x66av-免费无码观看的av在线播放-久久国产精品成人片免费-天天噜噜噜噜噜噜-中文不卡视频-人人妻人人爽人人狠狠-四虎成人久久精品无码-久草视频免费看-久久视精品

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.