
High Quality 1.0MPa Plastic Double Flange Check Valve PVC Wafer Flanged Check Valve UPVC Swing Check Valve for Water DN20mm-DN400mm. Dual-Use Installation: Can be installed vertically or horizontally for flexible pipeline integration. Superior Sealing Performance: EPDM rubber seals and 100% pressure testing ensure excellent sealing and low pressure loss. Corrosion Resistance: PVC-U and PVC-M materials provide outstanding resistance to corrosion and chemical exposure. High Strength Construction: Thick valve body design withstands 1.6MPa recoil pressure shock and impact. Wide Size Range: Available in sizes from DN20mm to DN400mm (3/4" to 16") to fit various pipelines. Low Opening Pressure: Opens at a pressure as low as 0.01kg/cm2 for efficient fluid flow control. Quality Assurance: 100% inspection of sealing surfaces and pressure testing for every unit before shipment. Standard Compliance: Manufactured to meet DIN, ANSI, JIS, and BS international standards.