UPVC Single Union Ball Check Valve

The UPVC Single Union Ball Check Valve features a 4-inch size, ideal for plumbing systems requiring reliable flow control. Made from durable PVC, it functions as a PVC backflow preventer valve, ensuring unidirectional flow and preventing contamination. This single union design allows for easy installation and maintenance. The 1-piece PVC check valve offers excellent resistance to corrosion and chemicals, making it suitable for water supply, irrigation, and industrial applications. Compact, efficient, and dependable—perfect for modern piping needs.   HuiYa PVC  fittings series DIN ANSI JIS PVC PN10 PVC SCH40 　 PVC PN16 PVC SCH80 　   Key Word: UPVC Single Union Ball Check Valve   Connect Type: Cement-Glue-Socket Brand: HUIYA or OEM Material: PVC(PVC-U) Specifications: Size(dimensions): DN15-20-25-32-40-50-65-80-100-125-150-200-250-300-350-400 20-25-32-40-50-63-75-90-110-125-140-160-200-225-280-315-355-400mm Color: Grey Standard: ISO ,  ISO4422, , DIN8063,…