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Watts 1/2 53L-175 Non-Code Pressure Relief Valve - Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
WattsNon-Code Air, Inert Gas & Liquids Pressure Relief Valves

Watts 1/2 53L-175 Non-Code Pressure Relief Valve

The WATTS Pressure Relief Valve (MPN 1/2 53L-175) is a non-code relief valve for air, inert gas, and liquids, with a 1/2 in MNPT x 1/2 in FNPT bronze body rated for 175 psi maximum operating pressure and 210°F. 3G…

SKU 3G-OTH-437978

Also listed as: 1253L175 · 1 2 53L 175 · 1-2-53L-175

Brand
Watts
Item
1/2 53L-175 Non-Code Pressure Relief Valve
Part Number
1/2 53L-175
Category
Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
Available to Order
Also known as:1/2 53L-175Watts
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Technical Specifications

Watts
Manufacturer Part Number
1/2 53L-175
Type
1/2 in x 1/2 in, Bronze, 210°F
Max. Op Pressure
175 psi

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (MPN 1/2 53L-175) is a non-code relief valve for air, inert gas, and liquids, with a 1/2 in MNPT x 1/2 in FNPT bronze body rated for 175 psi maximum operating pressure and 210°F. 3G Electric interprets this demand and delivers the genuine WATTS valve across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the Watts 1/2 53L-175 pressure relief valve used for?

The Watts 1/2 53L-175 is a non-code pressure relief valve designed for air, inert gas, and liquid systems. It protects equipment from overpressure up to 175 psi and 210°F, commonly used in industrial piping, compressors, and hydraulic circuits where precise pressure control is needed.

What are the specifications of the Watts 1/2 53L-175 pressure relief valve?

This Watts valve has a 1/2-inch MNPT x 1/2-inch FNPT connection, bronze body, maximum operating pressure of 175 psi, and maximum temperature of 210°F. It is a non-code model for air, inert gas, and liquids, with part number 1/2 53L-175.

Where to buy the Watts 1/2 53L-175 pressure relief valve worldwide?

3G Electric supplies the Watts 1/2 53L-175 pressure relief valve worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Watts 1/2 53L-175 pressure relief valve?

Install the Watts valve with the inlet connected to the system and outlet to a safe discharge path. Use thread sealant on MNPT threads, tighten to manufacturer torque specs, and ensure the valve is upright. Test after installation to verify set pressure and reseat function.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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Watts Products

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.

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Non-code pressure relief valve for air, inert gas, and liquid systems. Brass body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 175 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection
Watts
Non-code pressure relief valve for air, inert gas, and liquid systems. Brass body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 175 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection

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