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The ASC Engineered Solutions 830540688 is a black steel extra heavy (XH) nipple measuring 2.5 inches in diameter by 3 inches in length. This close-pattern pipe nipple is used to create threaded pipe connections in plumbing, HVAC, and gas piping systems. The extra heavy wall thickness provides additional strength and durability compared to standard-weight nipples. At 1.52 pounds, it is a solid, industrial-grade fitting suited for higher-pressure or more demanding piping applications. Licensed plumbers, pipefitters, and mechanical contractors are the primary installers of this type of fitting.
This nipple is appropriate for use in commercial and industrial piping systems where black steel is the specified material, including gas distribution, steam lines, and certain hydronic heating applications. The 2.5-inch by 3-inch sizing fits standard NPT threaded pipe configurations in that diameter range. It is commonly used as a short connector between valves, flanges, fittings, and other threaded components in mechanical rooms and utility piping runs.
Designed as an OEM-style replacement or new-install component for 2.5-inch NPT threaded black steel piping systems in commercial and industrial mechanical applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes, the International Fuel Gas Code (IFGC), or the International Plumbing Code (IPC) depending on the service. Shut off and depressurize the piping system completely before removing or installing any threaded fittings. Apply an appropriate thread sealant or PTFE tape rated for the intended service fluid. Inspect threads on both the nipple and mating fittings before assembly to ensure clean engagement and avoid cross-threading.
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