4" Brass Check Valves
4" Grooved Check Valve prevents backflow from water-based systems, including fire sprinkler and standpipe systems, with a spring-operated mechanism that closes the valve at low flows.
UL-listed, FM Approved and made from heavy-duty brass
Click here for Shotgun Riser Check Valves
Click here for 4" Brass Grooved Check Valves
Click here for Flanged Check Valves
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Check Valve 4"(F)NPT x 4"(M)NPT BR UL/FM (4/45#)SKU: 6510210TT
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Check Valve 4"(M)NPT x 4" Grooved BR UL/FM (4/45#)SKU: 6510210GT
for price and availablity for this product
