Thorburn UO O-Seal Never-Leak Pipe Union — Large Bore (2-1/2 in to 6 in)

The Thorburn UO O-Seal Never-Leak Pipe Union — Large Bore (2-1/2 in to 6 in) is a specialty quick-coupling designed for the metallic-hose service envelope. O-ring face-seal pipe union for large-bore service. Working pressure 50 bar. Operating temperature -73°C to +260°C.

Construction

• Type: Specialty Coupling — O-ring face-seal pipe union for large-bore service
• Body material: 316L SS
• End fitting: 316L SS ANSI 150# RF flanged or NPT; FKM, EPDM, or PTFE O-ring seal
• Bore range: DN 65 (2-1/2") to DN 150 (6")
• Working pressure: 50 bar (200 bar burst)
• Temperature range: -73°C to +260°C

Performance

Hydrotested at 1.5× working pressure. Per ASME B16.11, ASME B31.3. Designed for repeated connect / disconnect cycles in industrial service.

Applications

• Large-bore process plant disconnects
• Pump-station piping joints
• Tank-farm distribution headers
• High-flow utility piping

How to order

Confirm (a) end-connection size and style on each side, (b) operating pressure / temperature envelope, (c) any required certifications, (d) seal material preference (NBR / FKM / FFKM / PEEK / Teflon — drives chemical compatibility and temperature limit). Indus matches the coupling halves to your hose assemblies and supplies the matched gaskets and fasteners.

Companion products

Order in matched pairs (male and female halves) for new installations, or as service spares for existing assemblies. Indus also supplies matched seal kits for routine maintenance, plus replacement gaskets and fasteners.