B K Mueller 520-602HN 3/8 in Black Equal Tee 5 Pack

Product Description

The B K Mueller Industries 520-602HN is a 3/8-inch black equal tee fitting designed for joining three sections of pipe at a 90-degree branch in low-pressure gas, air, or fluid piping systems. Equal-leg construction means all three ports share the same 3/8-inch diameter, keeping flow paths consistent and simplifying layout where a straight run needs a same-size branch tap. This fitting is sold in packs of five units, making it practical for jobs requiring multiple branch connections. Plumbers, pipefitters, and mechanical contractors working on gas distribution, compressed air lines, or similar black-iron piping systems are the primary installers.

This fitting suits residential and light commercial applications where threaded black iron pipe is the specified material. Typical scenarios include natural gas supply lines, propane distribution manifolds, and compressed air rough-in work. The equal tee configuration is well-suited for balanced branch layouts where the branch and run diameters must match. Five fittings per package supports service truck stock and small-to-medium rough-in jobs without over-ordering.

Key Features

• Equal-port design: all three openings are 3/8 inch for consistent branch sizing
• Black iron material suits gas and air service applications
• Threaded connections for standard NPT assembly
• Packaged in quantities of 5 for efficient job-site use
• Total package weight of 1.07 pounds for straightforward shipping and handling

Compatibility

Designed as a standard-thread replacement or new-installation fitting for 3/8-inch black iron pipe systems using NPT threaded connections in gas, air, and compatible fluid piping.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and IFGC requirements for gas piping or relevant mechanical codes for air systems. Shut off and isolate the line, then verify zero pressure before disassembling any existing fittings. Apply an approved thread sealant or PTFE tape rated for the service medium to all male threads before assembly. After makeup, pressure-test the completed assembly per code requirements before returning the system to service.