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The ANVIL INTERNATIONAL INC 8700136958 is a black steel pipe nipple sized at 0.25 inches by 3 inches. Pipe nipples are short lengths of threaded pipe used to connect fittings, valves, and equipment in piping systems. This nipple is manufactured from black steel, making it suitable for gas distribution, steam, and water piping applications where the uncoated finish is appropriate. Plumbers, pipefitters, and HVAC technicians install this type of nipple routinely when assembling or extending threaded pipe systems. The 3-inch length places it in the close-to-standard-length range, offering enough thread engagement on both ends for a secure mechanical connection.
This nipple is commonly used in residential and light commercial piping installations. Typical applications include natural gas supply lines, steam heating systems, and water distribution piping where 0.25-inch NPT threaded connections are required. The black finish makes it a standard choice for gas piping per common code requirements. It is sold in a package quantity of 25 units, making it practical for contractors stocking materials for multiple service calls or new construction jobs.
Designed as an OEM-style replacement and standard stocking item for 0.25-inch NPT threaded piping systems using black steel pipe and fittings.
Black pipe nipples are installed by licensed plumbers and pipefitters working under applicable codes such as the IFGC or IPC depending on the service. Shut off the gas or water supply and depressurize the system before removing or installing any threaded pipe components. Apply an appropriate thread sealant or PTFE tape rated for the service fluid to all threaded joints prior to assembly. Do not over-tighten threaded connections, as this can crack fittings or damage threads.
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