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The ASC Engineered Solutions 4354002880 is a black steel pipe nipple designed for high-pressure and high-temperature piping systems. Manufactured from ASTM A106 Grade B seamless steel, this nipple measures 1-1/2 inches in diameter by 5-1/2 inches in length and carries an Extra Heavy (XH) wall rating, making it suitable for demanding industrial and commercial applications. Weighing 1.55 pounds, it provides the durability and wall thickness that licensed plumbers and pipefitters require when assembling close-tolerance pipe runs in steam, gas, or hydraulic systems.
This nipple is suited for use in commercial and industrial piping installations where standard-wall fittings are insufficient. Extra Heavy wall construction is commonly specified in steam distribution lines, high-pressure gas piping, and mechanical rooms where code or engineering requirements call for heavier schedule pipe. Licensed plumbers, pipefitters, and mechanical contractors are the typical installers of this type of fitting in both new construction and retrofit piping work.
Designed as an OEM-style replacement or new-installation fitting compatible with 1-1/2 inch NPT threaded piping systems requiring Extra Heavy wall seamless steel nipples.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical codes such as the IPC or IFGC. Shut off and depressurize the piping system completely before removing or installing any threaded fittings. Apply an approved pipe thread sealant or PTFE tape to male threads before assembly, and use a properly sized pipe wrench to achieve a secure, leak-free connection. Do not over-tighten threaded connections, as this can damage threads or cause stress cracks in adjacent fittings.
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