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The ASC Engineered Solutions 8700135554 is a reducing galvanized coupling designed to connect a 1-1/4-inch female pipe thread (FPT) to a 3/4-inch FPT in threaded piping systems. Constructed from malleable iron, this fitting offers high tensile strength suitable for demanding mechanical and plumbing installations. The galvanized finish provides corrosion resistance, making it appropriate for use in environments where moisture exposure is a concern. Plumbers and pipefitters install this type of fitting when reducing line size between sections of threaded pipe, typically in water supply, gas, or industrial distribution systems.
This reducing coupling is suited for residential and light commercial plumbing and mechanical piping applications. It is installed in-line wherever a threaded pipe run transitions from a 1-1/4-inch to a 3/4-inch nominal pipe size. The FPT connections on both ends accept standard NPT-threaded pipe or nipples. Typical applications include water supply lines, low-pressure gas distribution, and general mechanical piping where a galvanized malleable iron fitting meets code or specification requirements.
Designed as an OEM-style replacement or new-installation fitting for standard NPT threaded piping systems using 1-1/4-inch and 3/4-inch nominal pipe sizes in malleable iron or galvanized pipe configurations.
Installation is performed by a licensed plumber or pipefitter following applicable local plumbing codes and IFGC requirements where gas service is involved. Shut off the water supply or gas service and depressurize the line fully before disassembling any threaded connections. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly. Do not over-tighten; use a pipe wrench with proper support on the adjacent pipe to avoid stress on connected fittings.
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