Check Valve 4" GR x GR Brass UL/FM

Cast Brass Swing Check Valve

Spring Loaded Clapper
4" x 4" Grooved
Used to prevent reverse water flow into Fire Protection Systems
Applicable for vertical or horizontal installations
1/2" tap and plug for added equipment such as a ball drip when paired with a fire department connection or a pressure gauge when used in a supply line.
These check valves have a For use in standpipe and sprinkler systems UL listed FM Approved

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