Spring Wafer Check Valve  

Spring Wafer Check Valve The H71W wafer check valve is a kind of valve. It also called sandwich stainless steel check valve. Due to the composition of the valve body, valve flap, valve cover, etc., the valve flap is opened under the action of hydraulic pressure and is restricted on the boss of the valve cover. Fluid passes through the outside of the valve flap. When the outlet pressure is greater than the inlet pressure, the valve flap is closed under the action of hydraulic pressure and spring force to prevent the backflow of fluid. The advantage of H71W stainless steel spring check valve: 1. The product has a compact and reasonable structure, reliable sealing and excellent performance. 2. Small size and light weight. 3. Wide application range. 4. The valve flap closes quickly and moves sensitively. 5. The closing impact is small and water hammer is not easy to occur. 6. The flow channel is unobstructed and the fluid resistance is small.…