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Watts Pressure Relief Valve: MNPT x FNPT, 3/4 in x 1/2 in, Brass, 175 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: MNPT x FNPT, 3/4 in x 1/2 in, Brass, 175 psi Max. Op Pressure

The WATTS Pressure Relief Valve (MPN 3/4 530-C) is a Non-Code Air, Inert Gas & Liquids Pressure Relief Valve with a 3/4 in x 1/2 in MNPT x FNPT connection, constructed in brass, rated for 175 psi maximum operating…

SKU 3G-OTH-437954

Brand
Watts
Item
Pressure Relief Valve: MNPT x FNPT, 3/4 in x 1/2 in, Brass, 175 psi Max. Op Pressure
Category
Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
3/4 530-C
Type
3/4 in x 1/2 in, Brass, 180°F
Max. Op Pressure
175 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (MPN 3/4 530-C) is a Non-Code Air, Inert Gas & Liquids Pressure Relief Valve with a 3/4 in x 1/2 in MNPT x FNPT connection, constructed in brass, rated for 175 psi maximum operating pressure and 180°F. 3G Electric interprets your demand for this OEM-specified valve, sources it, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the Watts 3/4 530-C pressure relief valve used for?

The Watts 3/4 530-C 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 180°F, commonly used in industrial piping, compressors, and hydraulic circuits where overpressure protection is required.

What are the specifications of the Watts 3/4 530-C pressure relief valve?

The Watts 3/4 530-C has a brass body with 3/4 in MNPT inlet and 1/2 in FNPT outlet. Maximum operating pressure is 175 psi and maximum temperature is 180°F. It is a non-code valve for air, inert gas, and liquids, manufactured by Watts under MPN 3/4 530-C.

Where to buy the Watts 3/4 530-C pressure relief valve worldwide?

3G Electric supplies the Watts 3/4 530-C 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 for your region.

How to select the correct Watts pressure relief valve for my system?

Select a Watts pressure relief valve by matching the set pressure (max 175 psi for the 3/4 530-C), temperature rating (180°F), connection size (3/4 in MNPT x 1/2 in FNPT), and media compatibility (air, inert gas, or liquids). Always verify the valve's non-code rating suits your application requirements.

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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