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The ASC ENGINEERED SOLUTIONS 4354004800 is an 11-piece run set of black steel seamless extra heavy (XH) pipe nipples, ranging in size from 1/2 inch to 6 inch. Manufactured to ASTM A106 standards, these nipples are designed for high-pressure and high-temperature piping systems where standard-weight fittings are insufficient. The seamless construction eliminates weld seams, which reduces failure points under stress. Each piece weighs 3.17 pounds. Plumbers, pipefitters, and mechanical contractors working on industrial or commercial piping systems are the primary installers of this product.
This nipple run set is suited for use in steam, oil, gas, and high-pressure water piping systems. The A106 seamless specification makes the set appropriate for industrial process piping, boiler connections, and mechanical room distribution headers. The 11-piece run covers a broad range of pipe sizes in a single package, making it practical for shops and service vans stocking common black steel fittings. Domestic origin confirms compliance with procurement requirements that mandate U.S.-manufactured materials.
Designed as OEM-style replacement or new-installation fittings for black steel threaded piping systems requiring extra heavy wall nipples in sizes from 1/2 inch to 6 inch.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical codes such as the IPC or ASME B31.1 for pressure piping. Isolate and depressurize the piping system and allow it to cool completely before removing or installing nipples. Apply thread sealant or PTFE tape rated for the service fluid and pressure before threading fittings. Do not overtighten threaded connections using power tools without a backup wrench on the mating fitting.
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