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The ASC Engineered Solutions 361175003 is a forged steel threaded reducing coupling designed to connect pipes of two different diameters in high-pressure piping systems. It transitions from a 1/4-inch female thread to a 1/8-inch female thread and carries a 3000 PSI pressure rating, making it suitable for demanding industrial and mechanical service applications. At 0.10 pounds, the compact fitting is easy to handle during installation. Licensed plumbers, pipefitters, and mechanical contractors typically install this type of coupling in pressurized fluid or gas lines where a threaded pipe size reduction is required.
This forged steel reducing coupling is used in residential and commercial piping applications where threaded connections are specified and a reduction in pipe diameter is needed. Common install scenarios include branch lines, instrument connections, and service lines in HVAC, plumbing, and industrial mechanical systems. The 3000 PSI pressure rating makes it appropriate for higher-pressure service compared to standard 150-class fittings.
Designed as an OEM-style replacement or new-installation threaded reducing coupling for use in 3000-class forged steel piping systems requiring a 1/4-inch to 1/8-inch diameter transition.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable mechanical and plumbing codes. Shut off and depressurize the piping system completely before making or breaking any threaded connections. Apply appropriate thread sealant or PTFE tape to male threads before assembly. Do not overtighten threaded fittings, as this can crack or distort the fitting body.
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