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Watts Calibrated Adjustable Relief Valve: MNPT x FNPT, 3/4 in x 1/2 in, Brass - Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
WattsNon-Code Air, Inert Gas & Liquids Pressure Relief Valves

Watts Calibrated Adjustable Relief Valve: MNPT x FNPT, 3/4 in x 1/2 in, Brass

The WATTS Calibrated Adjustable Relief Valve (MPN 530-3/4) is a non-code pressure relief valve for air, inert gas, and liquids. This 3/4 in MNPT x 1/2 in FNPT brass valve operates within a 0°F to 180°F temperature range.

SKU 3G-OTH-437831

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

Watts
Manufacturer Part Number
530-3/4
Type
3/4 in x 1/2 in, Brass, 0°F to 180°F
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Calibrated Adjustable Relief Valve (MPN 530-3/4) is a non-code pressure relief valve for air, inert gas, and liquids. This 3/4 in MNPT x 1/2 in FNPT brass valve operates within a 0°F to 180°F temperature range.

Frequently Asked Questions

What is the Watts 530-3/4 calibrated adjustable relief valve used for?

The Watts 530-3/4 is a non-code pressure relief valve designed for air, inert gas, and liquid systems. It protects equipment from overpressure in applications such as compressed air lines, hydraulic systems, and process piping where precise pressure control is needed.

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

The Watts 530-3/4 has a brass body with 3/4 in MNPT inlet and 1/2 in FNPT outlet. It operates in temperatures from 0°F to 180°F and is calibrated and adjustable for non-code air, inert gas, and liquid pressure relief applications.

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

3G Electric supplies the Watts 530-3/4 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 530-3/4 adjustable relief valve?

Install the Watts 530-3/4 in a vertical position with the inlet connected to the system and the outlet vented to a safe area. Adjust the set pressure using the calibration screw while monitoring a pressure gauge. Follow standard piping practices for brass fittings.

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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