The ½” 300Psi Globe Model ARV field adjustable pressure relief valve is rated for up to 310 psi. The adjustable relief valve allows for the required NFPA field hydrostatic testing to be accomplished without removing and/or plugging the outlet for the relief valve.
MODEL ARV ADJUSTABLE RELIEF VALVEGFV 575 JD20170612 (.pdf)
Model ARV – 1/2-inch Adjustable Relief Valve: Where adjustable relief valves are specified for use in wet-pipe sprinkler systems they shall be specifically listed for such use. Adjustable relief valves shall be of bronze body construction, incorporating stainless steel components, and be rated for a working pressure of 310 psi. Adjustable relief valve shall be factory set for 175 psi and field adjustable to 310 psi. Adjustable relief valve shall be UL listed and FM approved. Adjustable relief valve shall be the Model ARV; as manufactured by Globe Fire Sprinkler Corporation.
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.