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The ASC Engineered Solutions 810031211 is a 3-inch black malleable iron tee fitting designed for threaded pipe assemblies in commercial and industrial piping systems. Constructed from malleable iron with a black coating, this tee provides a durable, corrosion-resistant junction point for joining three sections of pipe at a 90-degree branch. At 6.36 pounds, it is a solid, heavy-duty fitting suited for gas distribution, compressed air, and general plumbing applications. Licensed plumbers, pipefitters, and HVAC technicians install this type of fitting where a reliable branch connection is required.
This 3-inch tee is used in threaded pipe systems across residential, commercial, and light industrial settings. Typical applications include natural gas piping, steam lines, compressed air distribution, and water supply systems where malleable iron fittings are specified. The black coating distinguishes it from galvanized fittings and is standard for gas service piping installations.
Designed as an OEM-style replacement and standard fitting for 3-inch threaded malleable iron pipe systems.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and standards such as the International Plumbing Code or International Fuel Gas Code. Shut off and depressurize the pipe system completely before disassembling or installing any threaded fitting. Apply an approved thread sealant or PTFE tape to male threads before assembly, and tighten to proper engagement using pipe wrenches. Do not overtighten, as malleable iron fittings can crack under excessive torque.
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