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The ASC Engineered Solutions 830041604 is a black steel pipe nipple used to connect sections of threaded pipe in gas, air, and fluid distribution systems. Measuring 2.5 inches in diameter by 3.5 inches in length, this close-pattern nipple is manufactured from black steel, making it well suited for dry applications including natural gas lines, compressed air, and low-pressure steam. Licensed plumbers, pipefitters, and HVAC mechanics install nipples like this as standard threaded connectors between valves, fittings, and pipe runs where a short extension is required.
This nipple is designed for commercial and residential pipe assemblies where a 2.5-inch threaded connection point requires a short rigid extension. Typical installations include gas supply lines to commercial cooking equipment, boiler piping, industrial compressed-air headers, and fire suppression system branches. The black steel construction is standard practice where corrosion-resistant coatings are not required and where the fitting will be inspected and accessible for service.
Designed as a standard-pattern black steel pipe nipple for 2.5-inch NPT threaded pipe systems used in residential and commercial gas, air, and fluid piping applications.
Installation is performed by licensed plumbers or pipefitters in accordance with applicable codes such as the IFGC or IPC. Shut off the gas or fluid supply and verify pressure is relieved before removing or installing any threaded fittings. Apply an approved pipe thread sealant or PTFE tape to all male threads before assembly. Do not overtighten threaded connections, as black steel threads can be damaged by excessive torque.
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