WATTS® 530C 0371271 Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT Connection, 50 to 175 psi Pressure, 180 deg F

This 1/2 in calibrated pressure relief valve is used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil or air. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc and Buna-N O-ring. Series 530C has a calibrated adjustment feature for setting the valve to the required relief pressure and is ideal for bypass thermal expansion pressure relief. It is for use in fire protection systems. The maximum pressure is 300 psi (20.67 bar). The adjustable pressure range is 50 to 175 psi (3.45 to 12.06 bar).

WATTS® Pressure Relief Valve, Series: 530C, 1/2 in Nominal, MNPT x FNPT Connection, 50 to 175 psi, Brass Body, Buna-N Nitrile Disc, Buna-N Nitrile Softgoods, 180 deg F, 3 in H x 1-5/8 in W

• Designed for protection against excessive pressure build-up
• Adjustable pressure relief range 50 to 175 psi
• Buna-N disc on machined body seat

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_0371271_Instruction_Installation_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_0371271_Specification_Sheet.pdf
• Warranty Information https://assets.unilogcorp.com/267/ITEM/DOC/WATTS_RK_009M2_RT_Warranty_Information.pdf