Made of high-impact PVC Type II material. 1/2 lb spring gives positive seal with no back pressure. Reinforced poppet. Designed for any system where back flow is not desired. Spas, swimming pools, industrial and irrigation. Complies with all applicable ASTM and ANSI standards.
Flow management by NDS® PVC IPS spring check valves prevent backflow, minimum flow-pressure 2 psi
Flow management by NDS® PVC IPS spring check valves prevent backflow, minimum flow-pressure 2 psi