working principle

The piston type multi-function water pump control valve is installed at the pump outlet of the large diameter water supply network system. Intelligent valve that prevents media backflow, water hammer and water hammer. The valve has three functions of electric valve, check valve and water hammer eliminator, which can effectively improve the safety and reliability of the water supply system. The double chamber and double valve structure can quickly close the valve by 90% after stopping the pump (preventing the recirculation medium from causing the pump to reverse), and then slowly closing the remaining 10% (eliminating the destructive water hammer). The piston valve has reliable performance and high strength. The action is smooth, and it is prevented from opening the pump water hammer and stopping the pump water hammer. Simply operate the pump motor opening and closing button, the valve can automatically open and close according to the pump operating rules, the flow is large, the pressure loss is small.