FM Approved – Bronze Adjustable Pressure Relief Valve

F1329 bronze adjustable 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. Maximum System Working Pressure: 310 psi. Relief Valve Set Pressure Range 175 psi to 310 psi. FM Approved.