Mueller Industries MUE-A02746NL Companion Flange 2.5 in Cast Copper

Product Description

The MUELLER INDUSTRIES MUE-A02746NL is a 2.5-inch companion flange manufactured from cast copper, designed to create a bolted flange connection in copper piping systems. It uses a C x Flange configuration, meaning one end accepts a standard copper sweat (solder) connection while the other end terminates in a flat flange face for bolting to a mating flange or equipment port. Rated at 150 lb pressure class, this fitting is built for use in commercial and residential plumbing, HVAC hydronic piping, and mechanical systems where copper is the specified material. Licensed plumbers and pipefitters are the primary installers of this component.

This companion flange is suited for applications where a copper pipe run needs to transition to a flanged connection point, such as at pumps, valves, chillers, boilers, or other mechanical equipment with flanged inlets and outlets. The 2.5-inch nominal size fits standard 2.5-inch copper tube. The 150 lb pressure class rating makes it appropriate for low- to medium-pressure hydronic and domestic water service installations in both commercial and residential settings.

Key Features

• Cast copper construction provides corrosion resistance and durability in wet piping systems
• C x Flange connection allows direct sweat-solder attachment to copper tube on one end
• 150 lb pressure class rating suitable for standard hydronic and domestic water service
• 2.5-inch nominal size for use with standard 2.5-inch copper pipe
• Flat flange face enables bolted mating to flanged equipment or companion flanges

Compatibility

Designed as an OEM-style replacement or new-installation fitting for 2.5-inch copper piping systems requiring a flanged termination point rated at 150 lb pressure class.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter following applicable IPC and local mechanical code requirements. Shut off and depressurize the piping system completely before soldering or making any connections. The sweat end requires proper flux application, clean tubing, and full heat penetration for a sound solder joint. Bolt the flange face evenly to the mating flange using appropriate gasket material to ensure a leak-free seal.

Technical Specifications

• Nominal Size: 2.5 inches
• Connection Type: C x Flange
• Pressure Class: 150 lb
• Material: Cast Copper

Standard Information

• Brand: MUELLER INDUSTRIES
• Manufacturer Part Number: MUE-A02746NL