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The ASC ENGINEERED SOLUTIONS 300513207 is a 2-inch by 1-inch extra-heavy (XH) black cast iron reducing tee rated for 250 PSI service. This fitting connects a 2-inch main run to a 1-inch branch outlet, making it a workhorse component in threaded black iron piping systems. The black coating provides corrosion resistance suited to gas distribution, steam, and industrial compressed-air applications. Licensed plumbers and pipefitters install this fitting wherever a threaded iron reducing tee is required to transition flow from a larger main to a smaller branch line.
This reducing tee is used in residential and commercial gas piping, low-pressure steam systems, and industrial air distribution systems where black iron threaded fittings are specified. The 250 XH pressure class suits higher-demand service conditions compared to standard 150-class fittings. It is domestically manufactured, which satisfies Buy American and domestic-content requirements on relevant projects. Typical installation occurs in mechanical rooms, boiler rooms, and above-ceiling gas runs where durable threaded iron construction is required by code or specification.
Designed as an OEM-style replacement or new-installation fitting for standard NPT-threaded black iron piping systems requiring a 2-inch by 1-inch reducing tee in 250 extra-heavy service class.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable codes such as the IFGC, ASME B16.4, and local mechanical codes. Shut off and depressurize the piping system fully before cutting into any existing line. Apply an approved pipe thread sealant or PTFE tape rated for the intended service medium to all threaded connections. Do not use this fitting on water supply systems without verifying the black iron coating is appropriate for the fluid service.
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