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The ASC Engineered Solutions 300052206 is a black cast iron reducing tee designed for threaded pipe systems in commercial and industrial plumbing, gas distribution, and mechanical piping applications. This fitting transitions from a 2.5-inch run to a 2-inch branch outlet, allowing directional flow splits where pipe sizing must step down. Cast iron construction delivers the durability and pressure resistance required in demanding trade environments. At 5.75 pounds, this is a solid, full-bodied fitting built to handle the rigors of professional installation. Licensed plumbers and pipefitters are the primary installers of this type of component.
This reducing tee is suited for use in residential and commercial piping systems where a threaded black iron fitting is specified. Common applications include natural gas supply lines, steam piping, compressed air distribution, and fire suppression systems. The black coating is standard for gas piping applications and provides basic corrosion resistance in dry or indoor environments. This fitting is domestically manufactured, meeting sourcing requirements where country of origin is a project specification.
Designed as an OEM-style replacement or new-installation fitting for threaded black iron pipe systems requiring a reducing tee at 2.5 inches by 2 inches.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes, including the International Plumbing Code or International Fuel Gas Code where relevant. Shut off and depressurize the supply line completely before threading or removing any fittings. Apply appropriate thread sealant or PTFE tape to all male threads before assembly — do not over-tighten, as cast iron threads can crack under excessive torque. Confirm fitting orientation and flow direction before final makeup.
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