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The BMI USA 35210 is a 2.5-inch black malleable iron 45-degree pipe elbow designed for use in threaded piping systems. Malleable iron construction gives this fitting the strength and ductility needed to handle mechanical stress in demanding plumbing and gas piping applications. The black finish indicates this fitting is not galvanized, making it a standard choice for gas distribution, compressed air, and similar services where a zinc coating is not required. At 2.93 pounds, the fitting provides solid, reliable performance in both new construction and retrofit work.
This elbow is suited for residential and light commercial piping installations where a 45-degree directional change is needed on a 2.5-inch nominal pipe line. Common applications include natural gas supply lines, propane systems, industrial compressed air headers, and fire suppression piping. Licensed plumbers, pipefitters, and gas technicians typically install fittings of this type in accordance with applicable mechanical and fuel gas codes.
Designed as an OEM-style threaded fitting for use with standard 2.5-inch nominal NPT-threaded malleable iron pipe and compatible fittings in black iron piping systems.
Installation should be performed by a licensed plumber, pipefitter, or qualified gas technician following applicable local codes, including IFGC requirements for gas piping. Shut off and depressurize the pipe system completely before removing or installing any fitting. Apply appropriate thread sealant or PTFE tape rated for the intended service medium. Do not overtighten threaded connections, as malleable iron threads can crack under excessive torque.
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