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The MIDLAND INDUSTRIES 62778B1 is a barstock half coupling designed for high-pressure pipe connections in industrial and commercial plumbing systems. It features a 2-inch female pipe thread (FPT) on one end and a 2-inch butt weld connection on the other, allowing threaded-to-welded transitions in a single fitting. Constructed from 304 stainless steel barstock, it is rated to 1000 psi and conforms to MSS SP-114 dimension standards. This fitting is typically installed by licensed plumbers, pipefitters, and mechanical contractors working on process piping, steam, chemical, or corrosion-resistant fluid systems.
This half coupling is suited for residential and commercial applications where a transition from a threaded pipe connection to a welded pipe run is required. Its 304 stainless steel construction makes it appropriate for corrosive environments, sanitary systems, and applications where carbon steel fittings would be unsuitable. It falls within the 1000 psi and above pressure class, making it a viable choice for higher-pressure service lines where a compact, barstock-machined fitting is specified.
Designed as an OEM-style replacement or new-install fitting for 2-inch high-pressure stainless steel pipe systems conforming to MSS SP-114 dimensional standards.
Installation should be performed by a licensed plumber or certified pipefitter in accordance with applicable mechanical and plumbing codes. Depressurize and drain the system completely before removing any existing fittings or beginning installation. The butt weld end requires qualified welding procedures appropriate to 304 stainless steel; ensure proper purging and heat management to avoid sensitization of the material. Apply thread sealant rated for the service fluid to the FPT connection before assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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