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gate spring valves,
Durable, reliable, fits both schedule 40 and 80 pipes, spring-loaded poppet, stainless steel spring, O-ring seal, solvent ends comply with ASTM D2466. 200 PSI Not for use with compressed air. Check valves prevent water from flowing back into a pump with a rubber flapper, helping your sewage system to perform at its best. It contains a durable stainless-steel spring with an O-ring seal. Cannot be used with compressed air.
Constructed of heavy-duty PVC
Fits both Sch. 40 and 80 pipe
Prevents siphoning of materials back into the main lines
Not for use with compresses air