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The MUELLER STREAMLINE 10056650 is a solder companion flange designed for use in commercial and residential plumbing systems where a secure, leak-free pipe connection is required at a flanged joint. Cast from brass, this 2.5-inch flange is rated at 150 lb and joins to copper pipe via a standard solder end connection. It provides a reliable mechanical interface between copper piping and flanged equipment or valves. Licensed plumbers and pipefitters install this type of fitting during new construction and retrofit work where a threaded or bolted flange connection is needed at a copper pipe terminus.
This solder companion flange is suited for water supply, hydronic heating, and light industrial piping applications where 150 lb-rated brass flanges meet system pressure and temperature requirements. The 2.5-inch size fits standard copper pipe of the same nominal diameter. Domestic manufacture supports project specifications requiring USA-made components, including many government and municipal contracts.
Designed as an OEM-style replacement or new-installation companion flange for 2.5-inch copper pipe systems using standard 150 lb flange connections.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off and depressurize the water system completely before cutting into any existing line or disassembling flanged connections. Clean and flux copper pipe ends properly before soldering to ensure full solder penetration and a leak-free joint. Allow the solder joint to cool fully before pressurizing the system and performing a leak check.
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