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The BMI USA 4023 is a lead-free brass threaded nipple measuring 4 inches in length. Threaded nipples are short pipe sections with external threads on both ends, used to connect two female-threaded fittings or extend a pipe run. This fitting is constructed from brass with a red finish and is suitable for use in potable water, plumbing distribution, and general mechanical systems. At 3.78 pounds, it is a solid, full-bodied fitting appropriate for professional plumbing installations where lead-free compliance is required by code.
This nipple is designed for use in residential and commercial plumbing systems, including water supply lines, distribution manifolds, and mechanical room piping. Licensed plumbers install threaded nipples where pipe runs require a close or short extension between fittings, valves, or equipment connections. The 4-inch length suits applications where a standard close or shoulder nipple would be too short but a longer pipe segment is unnecessary.
Designed as an OEM-style replacement or new-installation fitting compatible with standard female-threaded plumbing connections in residential and commercial water supply systems.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code. Shut off the water supply and depressurize the line before installation. Apply thread sealant tape or pipe compound to the external threads before assembly and tighten to hand-snug plus the appropriate number of turns for the pipe size and material. Do not over-torque brass fittings, as brass threads can be damaged by excessive force.
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