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The MIDLAND INDUSTRIES 64310 is a galvanized malleable iron reducing tee designed for low-pressure piping systems in commercial and industrial applications. It provides a three-way branch connection with female pipe thread (FPT) inlets on all three ports, allowing a 1-inch branch to be tapped off a 1-1/4-inch run. Rated at 150 lb pressure class and conforming to ANSI B16.3, this fitting handles temperatures from -20 to 350 degrees F. The hot-dip galvanized finish resists corrosion in exposed or moderately wet environments. Licensed plumbers and pipefitters are the typical installers for this type of fitting.
The 64310 is suited for residential and light commercial piping runs carrying gas, water, or air within the rated pressure and temperature limits. Its reducing configuration is used when a smaller-diameter branch line must tee off a larger main line without separate reducing couplings. The FPT connections on all three ports accept standard NPT-threaded nipples or male-end fittings. Center-to-end dimensions of 1.3 inches, 1.36 inches, and 1.44 inches make it a compact option for tight-space installations in mechanical rooms, utility chases, or wall cavities.
Designed as an OEM-style replacement or new-installation fitting for 150 lb malleable iron galvanized piping systems using standard NPT threads per ANSI B16.3.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable codes such as the IPC or IFGC. Shut off and depressurize the piping system completely before cutting in or replacing any fitting. Apply an appropriate thread sealant or PTFE tape to all male threads before assembly and tighten to a snug, leak-free engagement without over-torquing malleable iron threads. Pressure-test the completed assembly before returning the system to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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