High Quality Plastic Check Valve PVC Wafer Check Valve with Flange UPVC Swing Check Valve for Water DIN ANSI JIS Standard

High Quality Plastic Check Valve PVC Wafer Check Valve with Flange UPVC Swing Check Valve for Water DIN ANSI JIS Standard. Dual-Use Installation: Can be installed vertically or horizontally with flow arrow indicating direction. Wide Size Range: Available in sizes from DN20 to DN400 (3/4" to 16"). High Pressure Resistance: Flapper and shaft withstand 1.6MPa recoil pressure shock. Corrosion Resistant: No metal parts exposed to fluid; excellent corrosion resistance. Low Opening Pressure: Opens at pressure lower than 0.01kg/cm2 for minimal pressure loss. Strict Quality Control: 100% machining of sealing surfaces and 100% pressure testing. Premium Materials: Uses PVC-U, PVC-M, EPDM, and S.S.304/316 bolts; no recycled plastics. Multiple Standards: Complies with DIN, ANSI, JIS, and BS standards.