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The ASC ENGINEERED SOLUTIONS 830544680 is a 3-inch by 3-inch black steel extra heavy (XH) nipple used to connect threaded pipe sections in gas, plumbing, and industrial piping systems. Black steel construction makes it a standard choice for gas distribution lines, steam systems, and other applications where ungalvanized steel is required. The extra heavy wall designation provides greater pressure capacity and wall thickness compared to standard-weight nipples. This fitting is installed by licensed plumbers, pipefitters, and HVAC technicians working on black iron pipe assemblies.
This nipple is suited for use in residential and commercial gas piping, steam distribution, and industrial fluid transfer systems that call for black steel threaded fittings. The 3-inch nominal size accommodates high-flow applications where larger pipe runs are required. It threads directly into compatible black iron fittings, valves, and pipe ends following standard NPT threading conventions.
Designed as a standard threaded replacement fitting for 3-inch black iron pipe systems using NPT-threaded connections in gas, steam, and industrial piping applications.
Installation is performed by licensed plumbers or pipefitters following applicable codes such as the IFGC or IPC. Shut off gas or fluid supply and depressurize the line before removing or installing any threaded fitting. Apply appropriate thread sealant or tape rated for the service medium before threading the nipple into place. Hand-tighten first, then use a pipe wrench to achieve a leak-free connection without overtightening.
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