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The ASC Engineered Solutions 1XDXD.BMT is a malleable iron reducing tee designed for threaded pipe assemblies in gas, air, and low-pressure fluid distribution systems. This fitting connects a 1-inch run pipe to two 1/2-inch branch outlets using female national pipe taper (FNPT) threads on all three ports. Rated at 150 lb, it is built to handle the working pressures typical in residential and light commercial piping. The black finish is standard for gas piping applications. Licensed plumbers and pipefitters install this type of fitting during new construction and service work on threaded iron pipe systems.
This reducing tee suits applications where a main distribution line needs to branch off at a reduced diameter, such as gas supply headers, compressed air distribution, and water service piping. The FNPT thread pattern on all three connections makes it compatible with standard threaded pipe and fittings. Domestically manufactured, it meets the sourcing requirements of projects subject to Buy American provisions.
Designed as an OEM-style replacement and standard-fit component for 1-inch to 1/2-inch threaded malleable iron pipe systems rated at 150 lb class.
Installation should be performed by a licensed plumber or pipefitter following applicable codes such as the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC). Shut off and depressurize the supply line before disassembling or threading any fittings. Apply appropriate thread sealant or PTFE tape to male threads before assembly. Do not over-tighten; use a pipe wrench sized for the fitting to avoid cracking the casting at the threads.
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