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The ASC Engineered Solutions 8700138558 is a black iron pipe nipple used to connect sections of threaded pipe in gas, water, and steam distribution systems. Manufactured from welded steel with a black coating to resist corrosion, this nipple meets ASTM A53 standards and is produced to Schedule 40 wall thickness. It measures 0.5 inches nominal diameter by 3 inches in length and carries standard NPT threading on both ends. Licensed plumbers and pipefitters install these in commercial and residential applications where a short, rigid threaded connection is required between fittings, valves, or equipment.
This nipple is suited for use in gas supply lines, water distribution piping, and low-pressure steam systems in residential and light commercial construction. It is a common component in black iron gas piping assemblies that connect appliances such as furnaces, boilers, water heaters, and commercial cooking equipment to supply lines. The Schedule 40 wall thickness provides adequate pressure ratings for standard service conditions encountered in these applications.
Designed as a standard NPT-threaded replacement or new-installation nipple for use with Schedule 40 black iron threaded piping systems in residential and commercial plumbing and gas distribution applications.
Installation is performed by licensed plumbers or pipefitters in accordance with the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC) as applicable to the service. Apply a listed pipe thread sealant or PTFE tape rated for the intended service medium before making up threaded connections. Shut off and depressurize the piping system fully before removing or installing any threaded components. Do not use black iron nipples in wet or buried applications without additional corrosion protection.
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