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The MATCO-NORCA zmbl4500 is a 1-1/2 inch black malleable iron floor flange designed for use in pipe support and anchoring applications. This fitting threads onto the end of a standard 1-1/2 inch black iron pipe and mounts flat to a floor, wall, or structural surface, securing the pipe run in place. Malleable iron construction provides the strength and ductility required for mechanical and gas piping systems. Licensed plumbers and pipefitters install this type of fitting as part of pipe support assemblies in both new construction and retrofit projects.
This floor flange is suited for residential and light commercial piping installations where black iron pipe is used, including gas distribution lines and general mechanical piping. It is threaded for a standard 1-1/2 inch NPT connection and bolts directly to a flat mounting surface through the flange holes. The black finish is consistent with standard black malleable iron pipe fittings used throughout the trade.
Designed as an OEM-style replacement or standard installation fitting compatible with 1-1/2 inch black iron pipe systems using NPT threaded connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes, including IPC and IFGC requirements where gas lines are involved. Shut off and depressurize the pipe system before threading or mounting any fittings. Apply appropriate thread sealant rated for the service type before making threaded connections. Secure the flange base to a structurally sound surface using fasteners appropriate for the substrate.
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