日韩免费视频-欧美在线一区二区三区-天天激情-草久在线-日本做受-男人操女人免费视频-国产精品美女在线-99色网-美女av片-色屁屁草草影院ccyycom-91精品推荐-天天插综合网-欧美第一页在线-亚洲精品污一区二区三区-大奶一区二区-h在线网站-高h喷水荡肉爽文np肉色视频-一级做a爰片-少妇被中出-久久久久人妻一区-香蕉a视频-国产又爽又猛又粗的视频a片-亚洲第一成年网-久久久精品波多野结衣-爱爱视频一区

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