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Watts Temperature and Pressure Relief Valve: Section XIII ASME Section - ASME Section XIII Temperature & Pressure Relief Valves
WattsASME Section XIII Temperature & Pressure Relief Valves

Watts Temperature and Pressure Relief Valve: Section XIII ASME Section

The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve designed for overpressure and overtemperature protection. This model, MPN 1-1/2 LF340X-8 150 FS, features a Copper Silicon Alloy body and…

SKU 3G-OTH-430654

Brand
Watts
Item
Temperature and Pressure Relief Valve: Section XIII ASME Section
Category
ASME Section XIII Temperature & Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
1-1/2 LF340X-8 150 FS
Type
FNPTF x FNPTF
Body Material
Copper Silicon Alloy
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve designed for overpressure and overtemperature protection. This model, MPN 1-1/2 LF340X-8 150 FS, features a Copper Silicon Alloy body and FNPTF x FNPTF connections. It is a Section XIII ASME-rated relief valve from the WATTS brand.

Frequently Asked Questions

What is the WATTS LF340X-8 temperature and pressure relief valve used for?

The WATTS LF340X-8 is an ASME Section XIII temperature and pressure relief valve used to protect water heaters and storage tanks from excessive temperature or pressure. It automatically opens when set limits are exceeded, preventing catastrophic failure in commercial and industrial hot-water systems.

What are the specifications of the WATTS 1-1/2 LF340X-8 150 FS valve?

This WATTS valve has a Copper Silicon Alloy body, FNPTF x FNPTF connections, and is ASME Section XIII rated. The manufacturer part number is 1-1/2 LF340X-8 150 FS. It is designed for overpressure and overtemperature relief in industrial water systems.

Where to buy the WATTS LF340X-8 temperature and pressure relief valve worldwide?

3G Electric supplies the WATTS LF340X-8 temperature and pressure relief valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a WATTS ASME Section XIII relief valve?

Install the WATTS valve in the designated tapping of the water heater or tank, ensuring the sensing element is immersed in the top 6 inches of water. The discharge piping must be directed downward and terminate near a drain. Follow local codes and the manufacturer's instructions for safe 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 asme section xiii temperature & 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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