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The BMI USA 4830 is a lead-free brass threaded nipple designed for use in plumbing supply and distribution systems. This close-tolerance fitting connects two female-threaded fittings, valves, or pipe sections to extend or transition a run. At 3 inches in length and sized for 1-1/2 inch pipe, it is a standard close nipple used in residential and light commercial plumbing installations. The brass construction resists corrosion and handles the pressure and temperature demands common to domestic water supply lines. Its lead-free rating meets current potable water compliance requirements.
This nipple is suited for residential and commercial plumbing applications involving water supply piping. It is commonly installed by licensed plumbers when assembling or repairing threaded pipe systems, particularly where a short, rigid connection between two threaded components is needed. The red finish indicates the manufacturer's standard product line designation for this fitting family.
Designed as an OEM-style replacement or new-installation threaded nipple for 1-1/2 inch NPT plumbing systems in residential and light commercial water supply applications.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC requirements. Shut off the water supply and relieve system pressure before removing or installing any threaded fitting. Apply an approved thread sealant or PTFE tape to male threads before assembly. Do not over-tighten brass fittings, as this can crack the fitting body or damage mating threads.
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