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The BMI USA 10031 is a black steel pipe nipple measuring 3 inches in diameter and 9 inches in length. Pipe nipples are short threaded pipe sections used to join two fittings, valves, or equipment ports in a piping run. This nipple features a black finish applied over steel construction, making it a common choice for gas distribution, steam, and industrial piping systems. Licensed plumbers and pipefitters install this type of fitting during new construction, system extensions, and repair work where a rigid, threaded steel connection is required.
This pipe nipple is suited for residential and commercial applications where black steel pipe is specified. Typical installations include natural gas supply lines, propane distribution systems, steam heating systems, and industrial fluid transfer lines. The 3-inch diameter and 9-inch length make it appropriate for medium-capacity piping runs requiring a short rigid section between threaded components.
Designed as an OEM-style replacement or standard component for black steel threaded piping systems, compatible with fittings and valves using 3-inch NPT threaded connections.
Installation of black steel pipe nipples on gas lines must be performed by a licensed plumber or pipefitter in accordance with local codes and the International Fuel Gas Code (IFGC). Shut off and depressurize the gas or fluid supply before beginning any work. Apply approved pipe thread sealant or tape rated for the intended service to all threaded joints. Pressure-test the system after installation before returning it to service.
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