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Watts Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 75 psi Max. Op Pressure - Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
WattsNon-Code Air, Inert Gas & Liquids Pressure Relief Valves

Watts Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 75 psi Max. Op Pressure

The WATTS Pressure Relief Valve (SKU 794JR6, 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…

SKU 3G-OTH-437795

Brand
Watts
Item
Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 75 psi Max. Op Pressure
Category
Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
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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 794JR6, 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

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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