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The ASC Engineered Solutions 4354002860 is a black steel seamless extra heavy (XH) pipe nipple sized at 1-1/2 inches by 4-1/2 inches. Manufactured to ASTM A106B standards, this nipple is designed for high-pressure and high-temperature piping systems where wall thickness beyond standard weight is required. The seamless construction eliminates weld seams, reducing potential failure points under demanding operating conditions. It is installed by licensed plumbers, pipefitters, and mechanical contractors in commercial and industrial piping runs.
This nipple is suited for steam, gas, oil, and water distribution systems where extra heavy wall schedule pipe fittings are specified. Its black steel finish and ASTM A106B material grade make it appropriate for above-grade interior piping installations in commercial buildings, industrial plants, and mechanical rooms. The 1-1/2 inch by 4-1/2 inch dimensions fit standard close-coupled connections between valves, fittings, and pipe sections requiring a short threaded extension.
Designed as an OEM-style replacement or new-installation fitting for extra heavy schedule black steel piping systems using 1-1/2 inch nominal pipe size threaded connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical and plumbing codes, including the IPC and IFGC where relevant. Shut off and depressurize the system completely before removing or installing any pipe fittings. Apply an appropriate thread sealant or PTFE tape to all male threads before assembly. Do not overtighten threaded connections, as this can damage threads or fittings.
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