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The ANVIL INTERNATIONAL INC 8700159257 is a 1/2-inch black pipe plug used to cap or seal threaded pipe ends in plumbing, HVAC, and piping systems. This plug threads into a female-threaded fitting or pipe end to block flow, pressure-test a line, or permanently close an unused port. It is a standard threaded closure fitting installed by plumbers, pipefitters, and HVAC technicians during rough-in, testing, and system commissioning work. The black finish is typical of black malleable iron or black steel pipe fittings used in gas and general-purpose piping applications.
This plug is suited for residential and commercial applications where a threaded pipe end must be closed. Common install scenarios include capping unused tee outlets, sealing test ports after pressure testing, and closing branch lines during phased construction. It is sized at 1/2 inch to match standard 1/2-inch NPT threaded pipe and fittings. This package unit contains 100 plugs per package, making it appropriate for contractors stocking job site supplies or maintaining shop inventory.
Designed as an OEM-style replacement and standard stock fitting for 1/2-inch NPT threaded pipe systems in plumbing, gas, and mechanical piping applications.
Installation is performed by a licensed plumber or pipefitter. Shut off and depressurize the affected line before installing or removing any threaded plug. Apply appropriate thread sealant or PTFE tape to the male threads before installation, following system and code requirements under the applicable edition of the IPC or IFGC. Do not overtighten; use a pipe wrench with controlled force to seat the plug without damaging the threads.
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