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The BMI USA 35531 is a black malleable iron pipe tee sized at 2 inches by 1.5 inches by 1.5 inches, designed to create a branch connection in a threaded piping system. Malleable iron construction gives this fitting the ductility and thread integrity required for gas, air, and water distribution lines common in commercial and industrial installations. The black finish indicates an uncoated, oil-treated surface suited for gas piping applications. Licensed plumbers and pipefitters typically specify this fitting where a reducing side-outlet branch is required in a ferrous pipe assembly.
This tee is used in threaded pipe systems across residential and light commercial applications including natural gas distribution, compressed air lines, and steam or water supply runs. The 2-inch run with 1.5-inch branch outlet allows a single fitting to reduce the branch without an additional bushing or coupling, simplifying the assembly and reducing potential leak points in the line.
Designed as an OEM-style replacement or new-installation fitting compatible with standard NPT threaded black iron pipe systems in gas, air, and water service configurations.
Installation should be performed by a licensed plumber or pipefitter in accordance with local mechanical and plumbing codes, including IFGC requirements for gas service applications. Shut off and depressurize the line completely before removing or installing any threaded fittings. Apply appropriate thread sealant rated for the intended service medium — use only gas-rated compound or tape on gas lines. Do not over-torque threaded joints; follow applicable code guidelines for thread engagement on malleable iron fittings.
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