Description
The Mueller Industries AL15514 is a heavy-duty angle pressure regulating valve engineered for demanding HVAC and refrigeration applications. Rated at 500 lbs, this valve delivers consistent, reliable pressure regulation to protect downstream components and maintain system efficiency.
Key Features
- 500 lb pressure rating for high-demand HVAC and refrigeration systems
- Angle-body configuration for versatile installation in tight or offset piping layouts
- 1/2″ NPT inlet connection with PTFE (Teflon) thread sealant for leak-free, secure sealing
- 5/8″ flare outlet connection for easy, reliable hookup to refrigerant or fluid lines
- NPTFE-sealed threads reduce the need for additional thread tape or compound during installation
- Durable Mueller Industries construction ensures long service life in commercial and residential systems
Specifications
- Brand: Mueller Industries
- SKU: AL15514
- Pressure Rating: 500#
- Inlet Connection: 1/2″ NPT with PTFE Thread Seal
- Outlet Connection: 5/8″ Flare
- Body Style: Angle
- Thread Type: NPTFE (NPT with integrated PTFE sealant)
- Valve Type: Pressure Regulating Valve (PRV)
Applications
- HVAC refrigerant line pressure regulation
- Commercial and residential refrigeration systems
- Fluid control in piping systems requiring angle-body valve configurations
- Any application requiring a robust 500 lb-rated PRV with NPT-to-flare transition
Mueller Industries is a trusted name in copper, brass, and plastic fittings and flow control products. The AL15514 reflects their commitment to quality craftsmanship and consistent performance across a wide range of HVAC and refrigeration installations.







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