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The ANVIL INTERNATIONAL INC 8700137550 is a black steel pipe nipple sized at 3/8 inch nominal diameter by 1-1/2 inches in length. Pipe nipples are short threaded pipe sections used to connect two fittings, valves, or other threaded pipe components. This nipple is manufactured from black steel, making it well suited for gas piping, steam, and hydronic heating applications. Plumbers, pipefitters, and HVAC technicians install nipples as standard close or short extension connectors within threaded piping assemblies. The black finish is standard for gas distribution lines where a galvanized finish is not required or preferred.
This nipple is appropriate for residential and light commercial piping systems where 3/8 inch threaded black steel pipe is specified. Common applications include natural gas and propane distribution lines, low-pressure steam systems, hydronic heating supply and return runs, and general industrial piping. The 1-1/2 inch length makes it a short nipple, suitable for tight-clearance connections between threaded fittings and valves. It is sold in packages of 25 units, making it a practical stocking item for contractors and supply houses.
Designed as a standard NPT-threaded black steel pipe nipple for use in 3/8 inch threaded piping systems including gas, steam, and hydronic heating applications.
Installation should be performed by a licensed plumber, pipefitter, or qualified HVAC technician in accordance with applicable local codes, including the International Fuel Gas Code (IFGC) and International Plumbing Code (IPC) for gas and water piping respectively. Shut off and depressurize the piping system completely before making any threaded connections. Apply an appropriate thread sealant or pipe tape rated for the intended service medium. Do not overtighten threaded connections, as this may damage fittings or cause thread failure.
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