Watts Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Bronze, 300 psi Max. Op Pressure
The WATTS Pressure Relief Valve is a non-code relief valve for air, inert gas, and liquids, with 1/2 in MNPT x 1/2 in FNPT connections in bronze, rated for 300 psi maximum operating pressure and 180°F. As a 3G…
SKU 3G-OTH-437975
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Product Description
The WATTS Pressure Relief Valve is a non-code relief valve for air, inert gas, and liquids, with 1/2 in MNPT x 1/2 in FNPT connections in bronze, rated for 300 psi maximum operating pressure and 180°F. As a 3G Electric specialist, we interpret your demand and source this genuine WATTS valve (MPN 1/2 53L-150) across 14 industrial departments, with trusted depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the Watts 1/2 53L-150 pressure relief valve used for?
The Watts 1/2 53L-150 is a non-code pressure relief valve designed for air, inert gas, and liquid systems. It protects equipment from overpressure up to 300 psi and 180°F, commonly used in industrial piping, compressors, and hydraulic circuits where overpressure protection is required.
What are the specifications of the Watts 1/2 53L-150 pressure relief valve?
This Watts valve has 1/2 in MNPT x 1/2 in FNPT connections, a bronze body, maximum operating pressure of 300 psi, and maximum temperature of 180°F. It is a non-code model for air, inert gas, and liquids, with part number 1/2 53L-150.
Where to buy the Watts 1/2 53L-150 pressure relief valve worldwide?
3G Electric supplies the Watts 1/2 53L-150 pressure relief valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this bronze non-code relief valve.
How to select the correct Watts pressure relief valve for my system?
Select a Watts relief valve by matching the set pressure, connection size, and media type. For the 1/2 53L-150, ensure your system operates below 300 psi and 180°F, and that the media is air, inert gas, or liquid. Always consult a licensed engineer for code-compliant installations.
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3G Electric supplies Watts non-code air, inert gas & liquids pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















