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The BMI USA 4535 is a lead-free brass threaded nipple designed for use in potable water, plumbing distribution, and general fluid conveyance systems. Measuring 3/4 inch in diameter and 3.5 inches in length, this nipple serves as a short pipe extension or connector between fittings, valves, and equipment in both residential and light commercial plumbing installations. Its brass construction provides reliable corrosion resistance and durability in wet service environments. The lead-free designation makes it suitable for use in drinking water systems where compliance with lead-free standards is required. Licensed plumbers and pipefitters are the primary installers of this fitting type.
This nipple is appropriate for residential and commercial plumbing systems including water supply lines, irrigation connections, and mechanical room piping. It is well suited for connecting valves, unions, elbows, and other threaded fittings in copper or brass piping assemblies. The 3/4 inch thread size is one of the most common sizes found in residential water distribution and light commercial service, making this nipple a standard stocking item for plumbing contractors and service technicians.
Designed as an OEM-style threaded brass nipple for use with standard 3/4 inch NPT fittings, valves, and piping components in residential and commercial plumbing systems.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and relieve system pressure before removing or installing threaded fittings. Apply an approved thread sealant or PTFE tape to the male threads before assembly. Do not overtighten, as this can crack fittings or damage threads.
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