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The ASC Engineered Solutions 818902728 is a black malleable iron pipe plug sized at 4 inches. This male pipe plug is designed to close off the end of an open pipe or fitting, stopping flow or sealing an unused port in a piping system. The black coating provides added corrosion resistance for typical indoor piping applications. Licensed plumbers and pipefitters install this type of plug during system construction, pressure testing, or when capping off inactive branches. At 2.71 pounds, it is a solid, heavy-duty fitting suited for standard pipe work.
This plug is appropriate for use in residential and commercial plumbing, mechanical, and industrial piping systems where a 4-inch threaded male plug is required. It is commonly used on gas, water, steam, or air lines that call for a malleable iron fitting. Typical install scenarios include capping branch tees during pressure tests, blanking unused outlets on manifolds, and permanently closing off decommissioned pipe runs.
Designed as an OEM-style replacement or new-installation fitting for standard 4-inch threaded malleable iron piping systems in plumbing, mechanical, and industrial applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable plumbing codes such as the IPC or IFGC. Always depressurize and isolate the pipe section before installing or removing a plug. Apply an appropriate thread sealant or pipe tape to the male threads before making up the joint. Do not over-tighten malleable iron fittings, as the material can crack under excessive force.
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