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The BMI USA 6051 is a lead-free brass threaded coupling designed to join two threaded pipe sections of differing diameters. Built from solid brass, this reducing coupling provides a durable, corrosion-resistant connection in pressurized plumbing systems. The lead-free construction meets regulatory requirements for potable water applications, making it appropriate for both residential and light commercial installations. Licensed plumbers and pipefitters rely on this type of fitting when transitioning between a 3-inch and a 2-1/2-inch threaded pipe run. The 6051 weighs 3.91 pounds, reflecting the solid brass material and the larger pipe size range it covers.
This coupling is suited for threaded pipe systems in residential and commercial plumbing, water distribution, and related fluid-handling applications. Its reducing configuration allows a straight-line transition between a 3-inch male or female threaded connection and a 2-1/2-inch counterpart without the need for additional adapters. It is well matched to retrofit and new-construction scenarios where threaded iron or brass pipe is the specified connection method.
Designed as an OEM-style threaded brass reducing coupling for use with standard 3-inch and 2-1/2-inch threaded pipe in residential and commercial plumbing systems.
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 fitting. Apply an appropriate thread sealant or PTFE tape to all male threads before assembly, and tighten with pipe wrenches to achieve a leak-free joint without over-torquing the brass threads. Inspect the connection for leaks after restoring system pressure.
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