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The ASC Engineered Solutions 830500401 is a black steel extra heavy (XH) close nipple measuring 1/8 inch in diameter by 6 inches in length. Extra heavy wall thickness makes this nipple suited for higher-pressure piping applications where standard-weight fittings are not adequate. Black steel construction provides strength and durability in threaded piping systems carrying gas, air, or other compatible media. Licensed plumbers and pipefitters install this type of nipple as a short connecting piece between threaded fittings, valves, or equipment in commercial and residential piping assemblies.
This nipple is appropriate for use in low-pressure gas distribution lines, compressed air systems, and general industrial or commercial piping where black steel threaded connections are required. The 1/8 inch nominal pipe size suits smaller branch lines and instrumentation connections. It is commonly used in mechanical rooms, boiler rooms, and industrial process piping wherever a compact, threaded steel extension is needed between two fittings or between a fitting and a valve body.
Designed as an OEM-style replacement or stock fitting for black steel threaded piping systems using 1/8 inch NPT connections.
Installation is performed by licensed plumbers or pipefitters following applicable local mechanical and plumbing codes, including IFGC requirements when used in gas piping. Shut off and depressurize the line before removing or installing any threaded fitting. Apply an approved thread sealant or PTFE tape rated for the intended service medium to all male threads before assembly. Do not over-tighten threaded connections, as black steel nipples can crack or distort at the threads with excessive force.
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