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The Penn MACHINE 500350350201 is a forged carbon steel Thread-O-Let fitting rated at 3000 lb pressure class, designed for branch outlet connections on high-pressure piping systems. Manufactured by Pennsylvania Machine Works in the USA, this fitting covers a 5 x 3 inch size with a 6-5 inch run and NPT end style, conforming to SCH 160 schedule rating. It is installed by licensed pipefitters and industrial plumbing professionals working on process, mechanical, and utility piping where welded branch connections require a threaded outlet. The forged carbon steel construction delivers the structural integrity demanded in high-pressure, high-temperature service environments.
This Thread-O-Let is suited for branch outlet applications on Schedule 160 carbon steel pipe runs in industrial, commercial, and heavy mechanical systems. The fitting belongs to Penn MACHINE Series 03502 and is identified under the description code TOL0603 6-5 X 3 3000# FS THREAD-O-LET. Typical installations include process piping, steam distribution, and high-pressure utility headers where a welded-on threaded branch outlet is required. It is categorized under Forged Pipe Fittings and is appropriate for demanding service conditions that exceed standard 150 lb or 300 lb fittings.
Designed as an OEM-style forged pipe branch fitting for Schedule 160 carbon steel piping systems requiring a 3000 lb rated threaded outlet connection in 5 x 3 inch configurations.
Thread-O-Let fittings are installed by qualified pipefitters and should be welded to the run pipe before threading the branch connection, in accordance with applicable ASME and ANSI piping codes. Depressurize and isolate the piping system completely before beginning any fitting installation or modification. NPT threads should be inspected for damage and sealed with an appropriate thread sealant rated for the service conditions. Consult applicable codes including ASME B31.1 or B31.3 for pressure piping design and installation requirements.
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