亚洲欧美日韩在线-激情av在线-av在线免费观看网址-久久久久久91-老外毛片-黄色你懂的-久久亚洲精品小早川怜子-意大利性荡欲xxxxxx-国产色一区-国产精品白虎-看一级黄色大片-无码任你躁久久久久久老妇-亚洲av无码专区在线-玖玖热在线视频-天天操天天爽天天干

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