Watts Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 125 psi Max. Op Pressure
The WATTS Pressure Relief Valve (MPN 1/2 LF53-125) is a Non-Code Air, Inert Gas & Liquids Pressure Relief Valve with MNPTF x FNPTF connections, 1/2 in x 1/2 in, in brass, rated for 125 psi Max. Op Pressure and 180°F.
SKU 3G-OTH-437984
Also listed as: 12LF53125 · 1 2 LF53 125 · 1-2-LF53-125
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The WATTS Pressure Relief Valve (MPN 1/2 LF53-125) is a Non-Code Air, Inert Gas & Liquids Pressure Relief Valve with MNPTF x FNPTF connections, 1/2 in x 1/2 in, in brass, rated for 125 psi Max. Op Pressure and 180°F.
Frequently Asked Questions
What is the WATTS 1/2 LF53-125 pressure relief valve used for?
The WATTS 1/2 LF53-125 is a non-code pressure relief valve designed for air, inert gas, and liquid systems. It protects equipment from overpressure up to 125 psi and 180°F, commonly used in industrial piping, boilers, and hydraulic circuits where overpressure safety is required.
What are the specifications of the WATTS 1/2 LF53-125 pressure relief valve?
This WATTS valve has 1/2 in MNPTF x 1/2 in FNPTF connections, a brass body, maximum operating pressure of 125 psi, and maximum temperature of 180°F. It is a non-code model for air, inert gas, and liquids, with MPN 1/2 LF53-125.
Where to buy the WATTS 1/2 LF53-125 pressure relief valve worldwide?
3G Electric supplies the WATTS 1/2 LF53-125 pressure relief valve worldwide. As a global industrial distributor since 1990, 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 LF53-125 pressure relief valve?
Install the WATTS valve in a vertical position with the inlet connected to the system and outlet piped to a safe discharge area. Ensure the set pressure does not exceed 125 psi. Use thread sealant on MNPTF connections and test for leaks after installation.
Used in
Common applications for WattsWatts 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.
