Disconnect Assemblies (Couplings)


  • Vacuum rating: HV design 1×10-8 Torr
  • Leak rating: <1×10-9 std. cc/s helium
  • Body, plug, nut, and retaining ring manufactured from 304 stainless steel
  • Seals: Standard – Buna-N O-ring (Viton O-ring available upon request)



  • Interchangeable with other quick disconnect style fittings
  • Quick disconnects come standard with Buna-N seals (Viton is available)
  • Quickly make and break vacuum seals
  • Designed to accept standard inch tubing O.D.’s
  • Infinitely rotatable, sexless connection to tubing or gauges
  • Reusable seals

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B C D Wall Thickness Accepts Tube O.D. 3D CADDrawingUnit PriceQty, Add To Cart
Part ID1000101Reference Number06-QDTK-1.32A 0.37B 0.5C 1.32D 0.63Wall Thickness 0.125Accepts Tube O.D. 0.6253D CADLoginDrawingLoginUnit Price$41.00
Part ID1000102Reference Number12-QDTK-1.32A 0.37B 0.5C 1.32D 0.63Wall Thickness 0.119Accepts Tube O.D. 0.1213D CADLoginDrawingLoginUnit Price$41.00
Part ID1000105Reference Number25-QDTK-1.32A 0.5B 0.62C 1.32D 0.63Wall Thickness 0.117Accepts Tube O.D. 0.253D CADLoginDrawingLoginUnit Price$41.00
Part ID1000109Reference Number38-QDTK-1.32A 0.63B 0.88C 1.32D 0.63Wall Thickness 0.118Accepts Tube O.D. 0.3753D CADLoginDrawingLoginUnit Price$44.00
Part ID1000111Reference Number50-QDTK-1.32A 0.75 B 0.88 C 1.32 D 0.63 Wall Thickness 0.117Accepts Tube O.D. 0.53D CADLoginDrawingLoginUnit Price$48.00
Part ID1000113Reference Number62-QDTK-1.50A 0.88 B 1.19 C 1.5 D 0.75 Wall Thickness 0.118Accepts Tube O.D. 0.6253D CADLoginDrawingLoginUnit Price$52.00
Part ID1000115Reference Number75-QDTK-1.63A 1.13 B 1.38 C 1.63 D 0.75Wall Thickness 0.18Accepts Tube O.D. 0.753D CADLoginDrawingLoginUnit Price$54.00
Part ID1000117Reference Number87-QDTK-1.63A 1.25B 1.38C 1.63D 0.75Wall Thickness 0.179Accepts Tube O.D. 0.883D CADLoginDrawingLoginUnit Price$61.00
Part ID1000119Reference Number100-QDTK-1.88A 1.38 B 1.63 C 1.88D 0.75Wall Thickness 0.18Accepts Tube O.D. 13D CADLoginDrawingLoginUnit Price$68.00
Part ID1000121Reference Number112-QDTK-1.88A 1.5B 1.88C 1.88D 0.75Wall Thickness 0.18Accepts Tube O.D. 1.1253D CADLoginDrawingLoginUnit Price$81.00
Part ID1000123Reference Number125-QDTK-2.00A 1.69B 1.88C 2.01D 0.75Wall Thickness 0.211Accepts Tube O.D. 1.253D CADLoginDrawingLoginUnit Price$99.00
Part ID1000125Reference Number138-QDTK-2.13A 1.81B 2C 2.13D 0.88Wall Thickness 0.211Accepts Tube O.D. 1.3753D CADLoginDrawingLoginUnit Price$135.00
Part ID1000127Reference Number150-QDTK-2.25A 2 B 2.25C 2.26D 0.88Wall Thickness 0.242Accepts Tube O.D. 1.53D CADLoginDrawingLoginUnit Price$152.00
Part ID1000129Reference Number162-QDTK-2.25A 2.13B 2.38C 2.26D 0.88Wall Thickness 0.243Accepts Tube O.D. 1.6253D CADLoginDrawingLoginUnit Price$163.00
Part ID1000131Reference Number200-QDTK-2.25A 2.5 B 2.75C 2.26D 0.88Wall Thickness 0.242Accepts Tube O.D. 23D CADLoginDrawingLoginUnit Price$175.00