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The BMI USA 35570 is a malleable iron black pipe tee designed for use in threaded pipe assemblies across plumbing, gas distribution, and mechanical piping systems. Manufactured from malleable iron with a black finish, this tee provides a durable, pressure-rated junction point where a branch line must split off from a main run. The three-way configuration measures 2.5 x 2.5 x 2 inches and weighs 3.66 pounds, making it a substantial fitting suited for demanding trade installations. Licensed plumbers and pipefitters are the primary installers of this type of fitting.
This black malleable iron tee is commonly used in residential and commercial gas piping, steam lines, and threaded water distribution systems. Its black finish distinguishes it from galvanized fittings, which are not permitted in many gas piping applications per applicable fuel gas codes. The 2.5 x 2.5 x 2 inch reducing configuration allows a branch connection at a reduced diameter off the main line, a common layout requirement in mechanical room rough-ins and above-slab gas distribution runs.
Designed as an OEM-style replacement or new-installation fitting for standard threaded malleable iron pipe systems in residential and commercial plumbing, gas, and mechanical piping applications.
Installation of this fitting should be performed by a licensed plumber or pipefitter in accordance with applicable local codes, including the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC) where relevant. Shut off all gas or water supply and depressurize the line fully before disassembling existing piping. Apply an approved thread sealant or PTFE tape rated for the service media before making up threaded joints. Do not over-tighten or use pipe wrenches on the fitting body in a way that could crack the iron.
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