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MUELLER Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 1/2 in Male NPT - Refrigeration Pressure Relief Valves
MUELLERRefrigeration Pressure Relief Valves

MUELLER Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 1/2 in Male NPT

The MUELLER Pressure Relief Valve: Straight-Thru is a refrigeration pressure relief valve designed for A2L-compatible systems. It features a pressure range of 451 psi to 700 psi and connections of 1/2 in Male NPT and…

SKU 3G-OTH-72080

Also listed as: A15504650 · A 15504 650 · A-15504-650

Brand
MUELLER
Item
Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 1/2 in Male NPT
Category
Refrigeration Pressure Relief Valves
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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.

Technical Specifications

MUELLER
Manufacturer Part Number
A 15504-650
Type
451 psi to 700 psi
Male NPT
1/2 in
Male Flare
5/8 in
A2L Compatible
Yes

Technical Documents

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MUELLER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MUELLER Pressure Relief Valve: Straight-Thru is a refrigeration pressure relief valve designed for A2L-compatible systems. It features a pressure range of 451 psi to 700 psi and connections of 1/2 in Male NPT and 5/8 in Male Flare (MPN A 15504-650).

Frequently Asked Questions

What is the MUELLER Pressure Relief Valve: Straight-Thru used for?

The MUELLER Pressure Relief Valve: Straight-Thru is used in refrigeration systems to automatically relieve excess pressure, protecting equipment and personnel. It is designed for A2L-compatible systems, making it suitable for modern low-flammability refrigerant applications in commercial and industrial cooling.

What are the specifications of the MUELLER Pressure Relief Valve A 15504-650?

The MUELLER Pressure Relief Valve A 15504-650 is a straight-thru type with a pressure range of 451 psi to 700 psi. It has a 1/2 in Male NPT inlet and a 5/8 in Male Flare outlet. The valve is A2L compatible, suitable for use with low-flammability refrigerants in refrigeration systems.

Where to buy the MUELLER Pressure Relief Valve A 15504-650 worldwide?

You can source the MUELLER Pressure Relief Valve A 15504-650 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MUELLER refrigeration valve.

How to select the correct MUELLER pressure relief valve for a refrigeration system?

To select the correct MUELLER pressure relief valve, match the set pressure range (451 psi to 700 psi for model A 15504-650) to your system's maximum allowable pressure. Ensure connection sizes (1/2 in Male NPT and 5/8 in Male Flare) fit your piping. Verify A2L compatibility if using low-flammability refrigerants.

Used in

Common applications for MUELLER
Commercial refrigeration systems — Mueller steel shell filter driers for moisture and contaminant removal in liquid lines.
HVAC installations — Mueller sweat connection ball valves for flow control in refrigerant circuits.
Industrial process cooling — Mueller magnetic check valves to prevent backflow in refrigerant piping.
Refrigeration system maintenance — Mueller flare nuts and bushings for access valve connections.
Low-GWP refrigerant systems — Mueller A2L-compatible ball valves for use with low-flammability refrigerants.
Retrofit projects — Mueller filter driers and valves for upgrading existing refrigeration equipment.

MUELLER Products

3G Electric supplies MUELLER refrigeration 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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