Bk Mueller 569-040 Galvanized Pipe Nipple 2.5x4 Sch 40

Product Description

The BK MUELLER 569-040 is a galvanized steel pipe nipple designed for threaded pipe systems in plumbing, gas distribution, and mechanical piping applications. Measuring 2-1/2 inches in diameter and 4 inches in length, this Schedule 40 nipple is threaded on both ends for direct connection to fittings, valves, and other threaded components. The hot-dipped galvanized finish provides corrosion resistance suited for water supply, compressed air, and general-purpose piping runs. At 2.1 pounds, this nipple offers the wall thickness and structural integrity expected from Schedule 40 steel pipe.

This nipple is used in residential and commercial plumbing, fire protection, gas piping, and industrial mechanical systems where a short close-nipple extension is needed between threaded fittings. Typical installations include boiler rooms, utility connections, irrigation manifolds, and industrial fluid transfer lines. It is installed by licensed plumbers, pipefitters, and mechanical contractors working with standard NPT threaded systems.

Key Features

• 2-1/2 inch nominal pipe size with Schedule 40 wall thickness for standard-duty applications
• 4 inch overall length suitable for close-offset connections
• Threaded on both ends for fast, toolless-free wrench assembly into NPT fittings
• Galvanized steel construction resists corrosion in wet and humid environments
• Schedule 40 rating meets standard pressure and flow requirements for commercial and residential systems

Compatibility

Designed as an OEM-style replacement or new-installation component for Schedule 40 NPT threaded piping systems using 2-1/2 inch nominal pipe size fittings and valves.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and the International Plumbing Code (IPC). Shut off and depressurize the line before threading the nipple into place. Apply an appropriate thread sealant or pipe tape to the male threads before assembly. Do not over-torque threaded connections, as this can damage fittings or cause joint failure.