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The ASC Engineered Solutions 830523346 is a black steel extra heavy (XH) pipe nipple sized at 1 inch by 4.5 inches. This close-tolerance threaded nipple is used to create rigid pipe connections in plumbing, gas distribution, and industrial piping systems. Black steel construction makes it suited for gas lines and non-potable fluid applications where galvanized fittings are not required. Licensed plumbers, pipefitters, and gas technicians install this fitting as part of threaded pipe assemblies. At 0.76 pounds, it is a compact, solid-wall component built to extra heavy wall specifications for added pressure tolerance.
This nipple is used in residential and commercial gas piping, fire sprinkler supply runs, steam systems, and industrial process lines where a short threaded extension or coupling offset is needed. The 1-inch diameter and 4.5-inch length make it a common size for branch connections, riser extensions, and fitting-to-fitting spans. It is compatible with standard NPT-threaded fittings and valves of the same diameter.
Designed as an OEM-style replacement or new-installation fitting for 1-inch NPT threaded piping systems using black steel components in gas, steam, or industrial fluid service.
Installation should be performed by a licensed plumber, pipefitter, or gas technician in accordance with applicable codes such as the IFGC or IPC. Shut off all gas or fluid supply and depressurize the line before removing or installing threaded nipples. Apply an appropriate thread sealant or PTFE tape rated for the intended service medium. Do not overtighten threaded connections, as this can crack fittings or damage threads.
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