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The B K/MUELLER INDS(IMPORT) 511-605HN is a 1-inch galvanized floor flange used to anchor and terminate pipe runs at floor level in residential and commercial plumbing systems. The hot-dip galvanized finish provides corrosion resistance in environments where moisture exposure is a factor. This type of fitting is standard hardware for licensed plumbers working on pipe support, railing base installations, and supply line terminations. The flange mounts flat to a floor or structural surface and accepts threaded pipe, making it a foundational component in a wide range of pipe assembly work.
The 511-605HN is suited for use in residential and light commercial applications where a 1-inch threaded pipe must be secured at grade or floor level. Common install scenarios include pipe support structures, handrail posts, gas line terminations, and water supply rough-in work. This product is sold in a package quantity of 10 units, making it practical for contractors completing multiple rough-in installations on a single job site.
Designed as an OEM-style replacement and standard-fit floor flange for 1-inch threaded pipe systems in residential and commercial plumbing installations.
Installation is performed by a licensed plumber in accordance with the applicable International Plumbing Code (IPC) requirements. Shut off the relevant water or gas supply before threading any pipe into the flange. Secure the flange base to the mounting surface using appropriate fasteners for the substrate material. Do not overtighten threaded connections, as this can damage the fitting threads.
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