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The BMI USA 4440 is a lead-free brass threaded nipple designed for use in pressurized piping systems where a short, rigid male-threaded connector is needed between two fittings or components. Measuring 1/2 inch in diameter and 4 inches in length, this nipple features a red finish and is manufactured from solid brass for reliable performance in water supply and distribution applications. Weighing just 0.29 pounds, it is a compact, durable fitting suited for installation by licensed plumbers working on residential or light commercial systems.
This fitting is commonly used in potable water supply lines, hydronic heating systems, and general plumbing distribution runs where a 1/2-inch male NPT connection is required on both ends. Its lead-free construction meets requirements for use in drinking water systems under applicable plumbing codes. Plumbers and pipefitters reach for nipples like this when extending or offsetting threaded piping runs without additional fittings.
Designed as an OEM-style replacement and standard fitting for 1/2-inch threaded piping systems using National Pipe Taper (NPT) connections in residential and light commercial plumbing applications.
Installation should be performed by a licensed plumber in accordance with the applicable International Plumbing Code (IPC) or local authority requirements. Shut off the water supply and relieve system pressure before making any threaded connections. Apply thread sealant tape or pipe dope to the male threads before assembly, and tighten to a snug fit without overtightening, which can crack fittings or damage threads. Do not use this fitting in systems that exceed the pressure or temperature ratings of the installed piping system.
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