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The ASC ENGINEERED SOLUTIONS 4354001280 is a black steel seamless extra heavy (XH) pipe nipple sized at 1/2 inch by 5 inches. Manufactured from Schedule 80-equivalent black steel per ASTM A106B standards, this nipple provides thicker wall construction compared to standard-weight fittings, making it suited for higher-pressure and higher-temperature piping applications. At 0.42 pounds per unit, it is a compact, dense-wall fitting intended for use in gas, steam, or liquid piping systems. Licensed plumbers, pipefitters, and mechanical contractors are the primary installers of this type of fitting in commercial and industrial piping assemblies.
This nipple is appropriate for use in residential and commercial piping systems where black steel is the specified material. Common applications include natural gas distribution lines, steam piping, and hydraulic or compressed-air lines where extra heavy wall thickness is required by code or system pressure demands. The 1/2-inch by 5-inch sizing fits standard half-inch threaded piping systems and mating fittings of the same schedule and material designation.
Designed as an OEM-style replacement or new-installation fitting for standard 1/2-inch threaded black steel piping systems requiring extra heavy wall nipples.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local mechanical and plumbing codes, including IFGC requirements for gas piping. Shut off and depressurize the relevant piping system completely before removing or installing any threaded fitting. Apply appropriate thread sealant or listed pipe tape rated for the intended service medium before threading the nipple into fittings. Do not over-tighten threaded connections, as this can damage threads or fittings.
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