The Mueller Industries AL15504 is a heavy-duty Pressure Regulating Valve (PRV) engineered for demanding HVAC and refrigeration applications. Rated at 500 lbs, this valve delivers consistent, reliable pressure control across a wide range of system configurations. The 1/2″ female NPT (NPTFE) inlet connection pairs with a 5/8″ flare outlet, offering versatile installation compatibility with standard copper tubing and threaded piping systems.
Mueller Industries is a trusted name in HVAC and plumbing components, known for producing precision-manufactured brass and copper fittings and valves that meet rigorous industry standards. The AL15504 is built to that same standard — providing long-lasting performance and leak-free operation in both commercial and residential HVAC systems.
Key Features
- 500 lb pressure rating for high-demand applications
- 1/2″ Female NPT (NPTFE) inlet connection
- 5/8″ flare outlet connection
- Designed for use in HVAC and refrigeration pressure regulation
- Durable construction from Mueller Industries — a trusted HVAC components manufacturer
- Compatible with standard copper tubing and threaded piping systems
Specifications
- SKU: AL15504
- Brand: Mueller Industries
- Pressure Rating: 500
- Inlet Connection: 1/2″ NPTFE (Female NPT)
- Outlet Connection: 5/8″ Flare
- Valve Type: Pressure Regulating Valve (PRV)
Applications
- HVAC refrigerant line pressure regulation
- Commercial and residential refrigeration systems
- Hydronic and plumbing systems requiring pressure control
- Anywhere a reliable NPT-to-flare pressure regulating valve is required
