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The ASC ENGINEERED SOLUTIONS 4354000490 is a black steel seamless extra heavy pipe nipple rated for demanding piping applications in commercial and industrial systems. Sized at 1/4 inch by 5.5 inches, it is manufactured from A106B seamless black steel and carries an extra heavy (XH) wall designation, giving it greater pressure-handling capability than standard-weight nipples. At 0.24 pounds, it is a compact but robust threaded fitting used by licensed plumbers, pipefitters, and mechanical contractors to connect sections of pipe in tight or high-stress runs.
This nipple is suited for use in commercial and industrial piping systems where extra heavy wall thickness is specified. Typical applications include steam, gas, and high-pressure fluid distribution lines in mechanical rooms, industrial plants, and process piping installations. Its seamless construction eliminates weld seams, making it a preferred choice in systems with elevated pressure or temperature requirements.
Designed as an OEM-style threaded pipe nipple for use in 1/4 inch NPT piping systems requiring extra heavy wall seamless black steel fittings.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical and plumbing codes such as the IPC or IFGC. Shut off and depressurize the system completely before removing or installing any threaded fittings. Use appropriate pipe thread sealant or PTFE tape rated for the fluid and pressure type in the system. Do not over-torque threaded connections, as this can damage threads or cause leaks.
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