Check valves are automatic one-way flow control valves that open under forward pressure and close when flow stops or reverses, helping prevent reverse flow without operator action. Unlike ball or gate valves, they respond to flow conditions on their own.
All Check Valves
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6 in. Ductile Iron Double Door Wafer Check Valve -
6 in. Ductile Iron Double-Door Wafer Check Valve — Midland Catalog-Designated UL 312 / ULC -
6 in. Ductile Iron Flanged Swing Check Valve — Midland Catalog-Designated UL -
8 in. Ductile Iron Swing Check Valve, Flanged — AWWA C508 -
8 in. Ductile Iron Flanged Swing Check Valve with Lever & Weight -
8 in. Ductile Iron Double Door Wafer Check Valve -
8 in. Ductile Iron Flanged Swing Check Valve — Midland Catalog-Designated UL -
10 in. Ductile Iron Swing Check Valve, Flanged — AWWA C508 -
10 in. Ductile Iron Double Door Wafer Check Valve -
16 in. Ductile Iron Double Door Wafer Check Valve -
1/4 in. x 1/8 in. Brass Ball Check Valve, Compression -
3/8 in. x 1/4 in. Brass Ball Check Valve, Compression -
304 Stainless Steel Check Ball -
1/2 in. Lead-Free Check Valve -
1 in. Copper x Copper Swing Check Valve, Lead-Free -
1/2 in. Female NPT Swing Check Valve, Lead-Free -
1 in. Lead-Free Check Valve -
1/2 in. Copper x Copper Swing Check Valve, Lead-Free -
1 in. Female x Female PVC Spring-Loaded Check Valve -
1 in. Glue Inline Plastic Check Valve
