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The BMI USA 10881 is a black steel pipe nipple designed for use in threaded pipe systems across residential and commercial plumbing, gas distribution, and mechanical applications. At 1.5 inches in diameter and 36 inches in length, this ready-cut nipple provides a reliable, fixed-length connection between fittings and valves. The black steel finish is standard for gas line installations and is suitable for use in dry, indoor systems. Licensed plumbers, pipefitters, and gas technicians routinely use this type of nipple in both new construction and retrofit work.
This pipe nipple is well suited for natural gas, propane distribution lines, steam systems, and general industrial piping applications where a 36-inch run is required. It threads directly into standard NPT fittings and is commonly used in commercial kitchen gas lines, boiler rooms, and mechanical rooms. Its 1.5-inch diameter makes it a common size in medium-capacity gas and steam distribution runs.
Designed as an OEM-style replacement and standard-fit pipe nipple for use with 1.5-inch NPT threaded fittings in gas, steam, and mechanical piping systems.
Installation should be performed by a licensed plumber or pipefitter in accordance with the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC) as applicable. Shut off gas supply or isolate the water system completely before threading or replacing any nipple. Use pipe thread sealant or PTFE tape rated for the intended service medium, and verify joint integrity before restoring system pressure. Do not use black steel nipples in wet or outdoor environments where corrosion resistance is required.
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