国产三级按摩推拿按摩-色网站综合-xxxx少妇-超碰在线a-午夜寂寞影视在线观看-免费看91的网站-欧美特大特白屁股ass-91理论片午午伦夜理片久久-亚洲色成人网站www永久-又黄又爽的视频在线观看-久久视频这里只精品99-亚洲欧美日韩激情-成人看片17ccom-午夜少妇av-婷婷丁香综合

XYLDS101/201X Piston Type Multi-function Pump Control Valve product description

XYLDS101/201X Piston Type Multi-function Pump Control Valve produced and sold by Baigang valve group is installed on the large-diameter water supply pipe network at the pump outlet, to prevent media backflow, water hammer and water hammer phenomenon intelligent valve. The valve combines electric valve, check valve and water hammer eliminator three functions, which can effectively improve the water supply system safety and reliability. Double-chamber, double-disc construction allows the valve to quickly shut off 90% after the pump has been stopped (prevents reverse flow from causing the pump to reverse) and then slowly shut off the remaining 10% (destructive water hammer) Piston Valves Reliable, high strength , Smooth action, to prevent the pump water hammer and water pump stop the occasion. Just operate the pump motor hoist button, the valve can be automatically opened and closed in accordance with the pump operating procedures, flow, pressure loss.

XYLDS101/201X Piston Type Multi-function Pump Control Valve main form of connection size