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The BMI USA 10591 is a black steel pipe nipple designed for use in threaded piping systems across residential and commercial plumbing, gas distribution, and mechanical applications. Measuring 6 inches in length with a 3/4 inch nominal pipe diameter, this nipple provides a reliable threaded connection between fittings, valves, and pipe runs. The black finish indicates an uncoated steel construction standard for gas and certain mechanical piping applications. This pack contains 25 nipples, making it a practical supply for service calls, new installations, or retrofit work requiring multiple connections.
This nipple is well suited for plumbers, pipefitters, and mechanical contractors working on gas supply lines, steam systems, hydronic heating, and general industrial pipe assemblies. The 6 inch length fits short-run connections between valves, tees, unions, and other threaded fittings. The 25-piece assorted pack is commonly used in shop stock, service vans, and contractor supply storage for fast access during installations and service calls.
Designed as an OEM-style replacement and standard-stock threaded pipe nipple for use with 3/4 inch NPT fittings in steel pipe systems.
Installation is performed by licensed plumbers or pipefitters following applicable codes such as the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC). Apply thread sealant or pipe thread compound rated for the intended service before making up connections. Always shut off and depressurize the system before removing or installing any pipe nipple. Inspect threads for damage before installation to ensure a leak-free joint.
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