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The ASC Engineered Solutions 361177603 is a forged steel threaded reducing coupling rated for 3000 lb service. It transitions a 1.5-inch pipe down to a 1-inch pipe using full-size (FS) threaded connections on both ends. Built from forged steel, this coupling delivers the wall thickness and pressure integrity required for high-pressure piping systems in industrial and commercial applications. Licensed plumbers, pipefitters, and mechanical contractors install this fitting where a durable, code-compliant threaded reduction is needed in a pressurized line. Its compact body and standard NPT threading make it straightforward to torque into an existing run without specialty tooling.
This reducing coupling is suited for high-pressure piping assemblies in commercial mechanical rooms, industrial process lines, and heavy-duty plumbing systems. The 3000 lb pressure rating makes it appropriate for steam, oil, gas, and water service where elevated pressures or temperatures are present. It is typically found in pipe runs that require a step-down in diameter while maintaining the full-bore flow characteristics expected of forged fittings in demanding service environments.
Designed as an OEM-style replacement or new-installation forged steel threaded reducing coupling for high-pressure piping systems requiring a 1.5-inch to 1-inch transition at 3000 lb service ratings.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical and plumbing codes. Isolate and depressurize the line and allow it to cool fully before removing any existing fitting or installing this coupling. Apply thread sealant or PTFE tape rated for the intended service medium to all NPT threads before assembly. Do not over-torque threaded connections; follow standard torque practices for the pipe diameter and material.
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