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
Filters
188 items
Sort Featured
-
Dual Check Valve, 1/4 in. Female NPT x 1/4 in. Male NPT, 304 Stainless Steel -
Single Check Valve, 1/4 in. Male Flare x 1/4 in. Male Flare, 304 Stainless Steel -
5/16 in. Brass Anti-Siphon Check Valve, Hose Barb x 1/4 in. MIP -
3/8 in. Aluminum Anti-Siphon Valve, Hose Barb x Male NPT -
3/8 in. Inline Check Valve -
3/8 in. Brass Inline Check Valve, Buna-N -
3/8 in. Brass Inline Check Valve, Viton -
3/8 in. 316 Stainless Steel Inline Check Valve -
3/8 in. Barrel Spring Check Valve -
3/8 in. Brass Y-Pattern Check Valve, Threaded (NPT) -
3/8 in. Stainless Steel Spring Check Valve, FPT x FPT -
3/8 in. Stainless Steel Spring Check Valve, MPT x FPT -
3/8 in. Stainless Steel Y Spring Check Valve -
Dual Check Valve, 3/8 in. Male Flare x 3/8 in. Male Flare, 304 Stainless Steel -
Single Check Valve, 3/8 in. Female NPT x 3/8 in. Male NPT, 304 Stainless Steel -
1/2 in. Aluminum Anti-Siphon Valve, Hose Barb x Male NPT -
1/2 in. Glue Inline Plastic Check Valve -
1/2 in. Inline Female x Female PVC Spring-Loaded Check Valve -
1/2 in. Brass Inline Check Valve, Buna-N -
1/2 in. Brass Inline Check Valve, Viton -
1/2 in. Brass Compressor Tank Check Valve, Male x Female Compression -
1/2 in. Brass Compressor Tank Check Valve, NPT x 1/2 in. Male Compression -
1/2 in. Brass Compressor Tank Check Valve, NPT x 3/8 in. Compression -
1/2 in. Brass Spring Check Valve, 500 PSI, Female NPT x Female NPT, NBR Seal
