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The BMI USA 10671 is a black steel pipe nipple designed for use in threaded piping systems across plumbing, gas, and mechanical applications. This nipple measures 1 inch in diameter and 11 inches in length, providing a rigid, threaded connection between fittings, valves, and other pipe components. The black finish results from a hot-applied coating that offers basic corrosion resistance suitable for dry or low-moisture environments. Licensed plumbers and pipefitters install this type of nipple when connecting runs of black iron pipe in gas distribution, steam, or industrial fluid systems.
This pipe nipple is suited for residential and light commercial installations where black iron pipe is the specified material. Common applications include natural gas supply lines, propane systems, steam heating distribution, and compressed air lines. The 11-inch length makes it appropriate for situations requiring a longer close-nipple alternative where additional spacing between fittings is needed without cutting and threading field pipe.
Designed as an OEM-style threaded replacement nipple for use in standard 1-inch black iron pipe systems with NPT-threaded fittings, valves, and couplings.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and IFGC requirements for gas piping or IPC requirements for fluid systems. Shut off all gas or fluid supply and verify zero pressure before removing or installing any threaded pipe component. Apply an approved pipe thread sealant or PTFE tape rated for the intended service medium prior to threading the nipple into fittings. Do not over-tighten threaded connections, as this can damage threads or crack cast fittings.
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