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The ASC Engineered Solutions 320201015 is a 1/4 inch extra heavy black steel taper tapped coupling designed for threaded pipe assemblies in demanding mechanical systems. This fitting accepts a tapered tap thread, creating a secure, pressure-bearing connection in black steel piping runs. At 0.09 pounds, it is a compact fitting suited for tight installations. Extra heavy wall construction provides additional strength over standard couplings, making it appropriate where higher mechanical stress or elevated pressure service is expected. Licensed plumbers and pipefitters install these fittings in gas distribution, steam, and industrial piping systems requiring reliable threaded joints.
This taper tapped coupling is used in residential and commercial piping applications where black steel pipe is the specified material. Typical installations include natural gas supply lines, low-pressure steam systems, and general industrial pipe assemblies. The extra heavy rating makes it a suitable choice when standard-weight fittings do not meet the service requirements of the system. It is threaded in the field using standard NPT tooling by qualified pipe trades professionals.
Designed as an OEM-style replacement or new-installation fitting for 1/4 inch black steel threaded pipe systems using NPT-compatible taper tapped connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable codes, including the International Fuel Gas Code (IFGC) or International Plumbing Code (IPC) as required by the system type. Isolate and depressurize the piping system completely before removing or installing any threaded fitting. Use appropriate thread sealant or PTFE tape rated for the intended service medium. Inspect threads for damage before assembly and do not overtighten, which can crack fittings or distort threads.
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