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Watts 1/2 LF53-75 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 LF53-75 Non-Code Pressure Relief Valve

The WATTS Pressure Relief Valve (SKU 1/2 LF53-75, MPN 1/2 LF53-75) is a 1/2 in x 1/2 in, brass, non-code air, inert gas and liquids pressure relief valve with MNPTF x FNPTF connections. It is rated for a maximum…

SKU 3G-OTH-437795

Also listed as: 12LF5375 · 1 2 LF53 75 · 1-2-LF53-75

Brand
Watts
Item
1/2 LF53-75 Non-Code Pressure Relief Valve
Part Number
1/2 LF53-75
Category
Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
Available to Order
Also known as:1/2 LF53-75Watts
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Technical Specifications

Watts
Manufacturer Part Number
1/2 LF53-75
Type
1/2 in x 1/2 in, Brass, 180°F
Max. Op Pressure
75 psi

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (SKU 1/2 LF53-75, MPN 1/2 LF53-75) is a 1/2 in x 1/2 in, brass, non-code air, inert gas and liquids pressure relief valve with MNPTF x FNPTF connections. It is rated for a maximum operating pressure of 75 psi and a maximum temperature of 180°F.

Frequently Asked Questions

What is the WATTS 1/2 LF53-75 pressure relief valve used for?

The WATTS 1/2 LF53-75 is a non-code pressure relief valve designed for air, inert gas, and liquid systems. It protects equipment from overpressure up to 75 psi at temperatures up to 180°F, commonly used in industrial piping, compressors, and hydraulic circuits.

What are the specifications of the WATTS 1/2 LF53-75?

This WATTS valve has 1/2 in MNPTF x 1/2 in FNPTF connections, a brass body, maximum operating pressure of 75 psi, and maximum temperature of 180°F. It is a non-code model for air, inert gas, and liquids, with manufacturer part number 1/2 LF53-75.

Where to buy the WATTS 1/2 LF53-75 pressure relief valve worldwide?

3G Electric supplies the WATTS 1/2 LF53-75 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.

How to install the WATTS 1/2 LF53-75 pressure relief valve?

Install the WATTS 1/2 LF53-75 in a vertical position with the inlet connected to the system. Apply thread sealant to the MNPTF connection and tighten to manufacturer torque specs. Ensure the discharge is directed to a safe area. Test after installation for proper operation.

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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