- Watts 530C ½": Calibrated Pressure Relief Valve is a spring operated brass valves designed for use only as protection from the buildup of excessive pressure in systems containing water, oil or air. 530C ½" valve incorporate a calibrated adjustment feature for setting the valve to the relief pressure required. These valves are ideally suited for bypass thermal expansion relief. MFR Part # 530C 1/2 Item Model # 530-C 1/2"
- Calibrated adjustment feature for setting valve to relief pressure required
- Adjustable range 50 to 175 psi (3.4 to 12.1 bar)
- All brass construction
- Inlet (bottom), male NPT threaded
- Outlet (side), female NPT threaded
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