Bk Mueller 511-964HN Malleable Iron Pipe Bushing 1-1/4x3/4 in

Product Description

The BK MUELLER 511-964HN is a malleable iron pipe bushing designed for reducing threaded pipe connections from 1-1/4 inches to 3/4 inches. Built to Class 150 standards with a galvanized finish, this bushing handles liquid and gas service at up to 300 psi and steam service at up to 150 psi. It installs in threaded piping assemblies where a reduction in pipe size is needed without the use of additional fittings. Licensed plumbers and pipefitters commonly specify this type of bushing for gas supply lines, water distribution systems, and general industrial piping where a reliable, code-rated threaded reduction is required.

This bushing is suited for residential and light commercial plumbing and gas piping installations. Its galvanized malleable iron construction makes it appropriate for use in both wet and dry piping systems, including natural gas, propane, and potable or non-potable water lines where threaded iron pipe fittings are called for. The 1-1/4 inch to 3/4 inch reduction is a common size transition found in branch takeoffs, manifold assemblies, and appliance connection points.

Key Features

• Malleable iron construction with galvanized finish for corrosion resistance in threaded piping systems
• Rated at 300 psi for liquid and gas service
• Rated at 150 psi for steam service
• Class 150 fitting per standard iron pipe fitting classifications
• Threaded end connections on both ends for standard NPT pipe assembly
• Reduces from 1-1/4 inches to 3/4 inches in a single fitting

Compatibility

Designed as an OEM-style replacement or new-installation fitting for standard threaded malleable iron piping systems rated at Class 150.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes, including the IPC and IFGC where gas service is involved. Shut off and depressurize the piping system fully before removing or installing any threaded fittings. Apply appropriate thread sealant or listed pipe thread tape to all male threads before making up the joint. Do not overtighten threaded connections, as malleable iron fittings can crack under excessive torque.