乱人伦中文字幕-日本乱理伦片在线观看中文-色94色欧美sute亚洲线路二-久久成人亚洲香蕉草草-成人免费毛片网站-午夜亚洲国产-а天堂中文在线官网-麻豆人人妻人人妻人人片av-欧美亚洲精品真实在线-在线不卡国产-欧美精品网站-成人久久免费网站-911精品国产一区二区在线-成人做受视频试看120秒-91黄色看片

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.