This 3/4 inch 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 3/4 inch NPT threaded male inlet and 1/2 inch NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. It has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for by-pass thermal expansion pressure relief (not ASME approved). It is for use in fire protection systems. The maximum pressure is 300 psi (20.67 bar). The adjustable pressure range is 100 to 300 psi (3.45 to 12.06 bar).

Features

• Bronze body construction
• All stainless steel spring
• Designed for protection against excessive pressure build up
• model also available for fire protection systems

Specifications
Body Material	Brass
Brand	Watts
Buy American Act Compliant	YES
EAN	098268582482
Inlet Connection Size	3/4 IN
Inlet Connection Type	Male Threaded
Inlet Thread Type	NPT
Lead Free	NO
Maximum Working Pressure-PSI	300
Outlet Connection Size	1/2 IN
Outlet Connection Type	Female Threaded
Outlet Thread Type	NPT
Part Number	0372273
Pressure Range	50 to 175 PSI
Series	530C

• Specification Sheet - 530C

UPC - 098268582482