Sign In to View Pricing & Availability
- Series LF530C Lead Free* Calibrated Pressure Relief Valves are used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a Lead Free* brass 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 LF530C 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). Maximum Pressure: 300psi (20.67 bar). Adjustable Pressure Ranges: Sizes 1/2, 3/4 in. - 50 to 175psi (3.45 to 12.06 bar), Size 3/4 in. - 100 to 300psi (6.89 to 20.67 bar).
WATTS® Pressure Relief Valve, Calibrated, Series: LF530, 3/4 in Nominal, MNPTxFNPT, 50 to 175 psi, Brass Body, Buna-N® Disc, 1-5/8 in Wx3 in H, Domestic
- Stainless steel spring
- Calibrated adjustment feature
- Protects against buildup of excessive pressure
- For use in systems containing water, oil, and air
- The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
- Inquire with governing authorities for local installation requirements
- The WATTS® products shown on this page are small type relief valves
- Construction of these products does not meet the (ANSI Z21.22) nationally recognized applicable standard