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Square Plug
Black pipe caps are essential fittings designed to seal the end of a pipe, preventing the flow of fluids or gases while protecting unused lines from dirt, debris, and damage. Their threaded design allows them to be easily installed or removed, making them a versatile solution for both temporary and permanent system closures. These caps are widely used in plumbing, gas distribution, steam lines, and oil handling systems where a durable, pressure-rated seal is required. With their tough malleable iron construction, black pipe caps deliver long-lasting performance and peace of mind in both residential and heavy industrial applications.