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The BMI USA 4150 is a lead-free brass threaded nipple designed for use in plumbing and piping systems where reliable, corrosion-resistant connections are required. Constructed from solid brass with a red finish, this nipple measures 1/8 inch in diameter and 5 inches in length, making it suitable for tight-run applications and close-quarter fittings. At 0.11 pounds, it is lightweight yet durable. Licensed plumbers and pipefitters install this type of fitting during new construction, repair, and retrofit work on water supply and distribution systems.
This nipple is appropriate for residential and light commercial plumbing applications. Its lead-free construction makes it compliant with potable water system requirements, including installations governed by safe drinking water standards. The 1/8-inch thread size suits low-flow lines, gauge ports, and instrumentation connections commonly found in plumbing and HVAC systems where a small-diameter threaded extension is needed between fittings or valves.
Designed as a standard-thread replacement or extension nipple for residential and light commercial plumbing systems using 1/8-inch pipe thread connections.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off the water supply and relieve system pressure before removing or installing any threaded fittings. Apply an approved thread sealant or PTFE tape to the male threads before assembly. Do not overtighten, as brass fittings can crack under excessive torque.
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