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The BMI USA 20407 is a 1-1/4 inch, Class 300 extra heavy black malleable iron pipe tee designed for threaded pipe assemblies in demanding industrial and commercial applications. Malleable iron construction provides the ductility and strength needed to handle higher-pressure systems where standard fittings are not rated. The black finish indicates a non-galvanized surface treatment standard for gas and industrial piping. Licensed plumbers, pipefitters, and gas technicians are the primary installers of this fitting class.
This tee is suited for use in high-pressure gas distribution, steam, compressed air, and industrial fluid systems requiring Class 300 extra heavy fittings. The 1-1/4 inch size fits standard Schedule 40 and Schedule 80 threaded pipe of the same nominal diameter. It is a branch-off fitting that creates a 90-degree lateral connection from the run pipe, making it a common component in main-line distribution manifolds and branch-line layouts in commercial and industrial settings.
Designed as an OEM-style replacement or new-installation fitting for 1-1/4 inch threaded pipe systems requiring Class 300 extra heavy malleable iron tees in gas, steam, compressed air, or industrial fluid service.
Installation should be performed by a licensed plumber, pipefitter, or gas technician in accordance with applicable local codes, IFGC, or ASME B16.3 standards. Shut off and depressurize the line completely before removing or installing any threaded fitting. Apply listed pipe thread sealant or PTFE tape to the male threads before assembly, and tighten to a snug, leak-free connection without over-torquing malleable iron. Pressure-test the completed assembly before returning the system to service.
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