Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
MUELLER Refrigeration Pressure Relief Valve - Refrigeration Pressure Relief Valves
MUELLERRefrigeration Pressure Relief Valves

MUELLER Refrigeration Pressure Relief Valve

<p>The MUELLER Refrigeration Pressure Relief Valve (Model A 15514-650) is a critical safety component designed for refrigeration systems. This angle-type valve operates within a pressure range of 451 to 700 psi…

SKU 3G-OTH-72120

Also listed as: A15514650 · A 15514 650 · A-15514-650

Brand
MUELLER
Item
Refrigeration Pressure Relief Valve
Part Number
A 15514-650
Category
Refrigeration Pressure Relief Valves
Available to Order
Also known as:A 15514-650MUELLER
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MUELLER
Manufacturer Part Number
A 15514-650
Type
451 psi to 700 psi
Male NPT
1/2 in
Male Flare
5/8 in
A2L Compatible
Yes

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

<p>The MUELLER Refrigeration Pressure Relief Valve (Model A 15514-650) is a critical safety component designed for refrigeration systems. This angle-type valve operates within a pressure range of 451 to 700 psi, ensuring system protection against overpressure. It features a 1/2-inch Male NPT inlet and a 5/8-inch Male Flare outlet, providing versatile connection options. Importantly, this valve is A2L compatible, making it suitable for use with newer, lower-flammability refrigerants.</p><p>Ideal for HVACR contractors, refrigeration engineers, and maintenance teams, this valve meets the demands of commercial and industrial applications. As a Singapore-based supplier, 3G Electric offers this product with worldwide shipping. For Singapore buyers, we provide SGD quotes on request and handle GST seamlessly. Enjoy fast delivery across Singapore and Southeast Asia to keep your projects on schedule.</p>

Frequently Asked Questions

What are the connection sizes and pressure range of this MUELLER relief valve?

This valve has a 1/2-inch Male NPT inlet and a 5/8-inch Male Flare outlet. Its pressure range is 451 to 700 psi.

Is this valve compatible with A2L refrigerants?

Yes, the MUELLER A 15514-650 is A2L compatible, making it suitable for systems using lower-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.
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

More from MUELLER

View all MUELLER parts
This straight-thru pressure relief valve from MUELLER is designed for refrigeration systems, providing overpressure protection by opening automatically when pressure exceeds its set range. It has a pressure range of 70 psi to 450 psi, with a 1/2 in Male NPT inlet and a 5/8 in Male Flare outlet. The valve is A2L-compatible, suitable for use with mildly flammable refrigerants
MUELLER
This straight-thru pressure relief valve from MUELLER is designed for refrigeration systems, providing overpressure protection by opening automatically when pressure exceeds its set range. It has a pressure range of 70 psi to 450 psi, with a 1/2 in Male NPT inlet and a 5/8 in Male Flare outlet. The valve is A2L-compatible, suitable for use with mildly flammable refrigerants

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first