Low Pressure PEEK Reducing Union - Imperial to Metric

VICI Jour SKU: JR-0640

Tubing OD: 1/32" to 1 mm
Bore: 0.50 mm
Quote Only


With these reducing unions, metric tubing can be connected to imperial fittings on valves and LC systems. Easily connect 1/32", 1/16", 1/8", 1 mm, 2 mm, and 3 mm OD polymeric tubing. With flat-bottomed 1/4-28 fitting details, these reducing unions are completely inert and biocompatible.

Available as the body only, or complete with fittings. A VICI Jour reducing union with fittings includes:

  • 1 PEEK low pressure union
  • 1 PEEK low pressure reducing union
  • 1 PPS flangeless hex-head nut of imperial size noted
  • 1 PPS flangeless hex-head nut of metric size noted
  • ETFE ferrules
  • 2 Color-Sleeve adapters

For 1/32" - 1/8" OD tubing with flangeless connections

Product Material
Nuts PPS
Ferrules ETFE

Threads:1/4-28 threads

Pressure rating: (varies with tubing material and ID)

≤48 bar (700 psi)


Use our impermeable tubing to avoid gas diffusion in the solvent lines

While PEEK reducing unions are typically used with inverted ferrules, collapsible ferrules or flanged connections can also be used.

Description Tubing OD Qty/pkg Product No.
PPS flangeless nuts 1/32" 10 JR-55073-10
1/16" 10 JR-55070-10
1/8" 10 JR-55071-10
1 mm (1/32") 10 JR-55073-10
2 mm 10 JR-55072-10
Inverted ETFE ferrules 1/32" 10 JR-032-10
1/16" 10 JR-041-10
1/8" 10 JR-051-10
1 mm 10 JR-031-10
2 mm 10 JR-042-10
3 mm 10 JR-049-10

See Also

Color-Sleeve Adapters, available in 6 colors

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