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Large Bore Unions

Our Large Bore Union Assemblies are designed specifically to be used with our standard 1/2-20 Flat-Bottom threaded nuts and ferrules. Our unions can create a true zero dead volume (ZDV) connection when partnered with Quick Luer Adapters and the appropriate ferrule. Manufactured from biocompatible PEEK giving is excellent chemical resistance to virtually all commonly used solvents.
Our Large Bore Union Assemblies are designed specifically to be used with our standard 1/2-20... More Information >
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Union Assembly, Large Bore

U-658 / -

  • 1/2-20 flat bottom port for use with 1/4" OD tubing
  • Black PEEK body
  • Ø.188" thru hole
  • Includes U-655 nut and U-650 ferrule
  • Recommended for pressures up to 250 psi (17 bar)

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