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The ASC Engineered Solutions 8700166625 is a galvanized reducing coupling designed to connect pipes of two different diameters in threaded piping systems. This domestically produced fitting transitions from a 3-inch pipe thread to a 2-inch pipe thread, rated at 150 lb working pressure. It is used by plumbers and pipefitters in water supply, industrial, and general mechanical piping applications where a threaded reduction is required between two pipe segments. The galvanized finish provides corrosion resistance suitable for a range of indoor and moderate-exposure service conditions.
This reducing coupling is suited for residential and light commercial plumbing installations as well as industrial piping systems using standard 150 lb threaded galvanized fittings. It is appropriate wherever a concentric thread reduction is needed in a straight run of pipe without the need for an additional bushing. Pipefitters working on water distribution, compressed air lines, or general fluid handling systems will find this fitting a direct-fit solution for 3-inch to 2-inch transitions.
Designed as an OEM-style replacement or new-installation fitting compatible with standard 150 lb threaded galvanized piping systems using 3-inch and 2-inch NPT connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing codes and ASME B16.3 standards for malleable iron threaded fittings. Shut off and depressurize the piping system fully before cutting into any existing line. Apply appropriate thread sealant or PTFE tape to all male threads before assembly. Do not overtighten; hand-tighten then wrench-tighten to a firm, leak-free seal without stressing the fitting body.
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