MUELLER Pressure Relief Valve: Straight-Thru, 70 psi to 450 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 70 psi to 450 psi, with 1/2 in Male NPT and 5/8 in Male…
SKU 3G-OTH-72055
Also listed as: A15504450 · A 15504 450 · A-15504-450
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 MUELLER Pressure Relief Valve: Straight-Thru is a refrigeration pressure relief valve designed for A2L-compatible systems. It features a pressure range of 70 psi to 450 psi, with 1/2 in Male NPT and 5/8 in Male Flare connections (MPN A 15504-450).
Frequently Asked Questions
What is a MUELLER pressure relief valve used for?
A MUELLER pressure relief valve protects refrigeration systems from overpressure. It opens automatically when pressure exceeds its set range, safeguarding compressors and piping. This straight-thru model is A2L-compatible, making it suitable for modern low-flammability refrigerant systems.
What are the specifications of the MUELLER A 15504-450 pressure relief valve?
The MUELLER A 15504-450 is a straight-thru pressure relief valve with a range of 70 psi to 450 psi. It has a 1/2 in Male NPT inlet and a 5/8 in Male Flare outlet. It is A2L-compatible, meaning it works with mildly flammable refrigerants. The brand is MUELLER.
Where to buy MUELLER pressure relief valves worldwide?
3G Electric supplies MUELLER pressure relief valves worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the MUELLER A 15504-450 or other models. We source genuine parts for your refrigeration needs.
How to install a MUELLER straight-thru pressure relief valve?
Install the MUELLER valve with the 1/2 in Male NPT connection into the system port and tighten securely. Connect the 5/8 in Male Flare outlet to the discharge line. Ensure the valve is oriented vertically and not blocked. Always follow local codes and the manufacturer's instructions for safe operation.
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Common applications for MUELLERMUELLER 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.
