QC Series

Swagelok QC Interchange Instrumentation Quick-Connects

The AKJia’s QC series Instrumentation Quick Connectors are designed for service in a large variety of applications, with a max. working pressure of up to 3,000 psi (206 bar). Interchangeable and intermixable with major manufacturers’ Instrumentation Quick Connectors.


  • Available in 1/8″ to 1/2″ size
  • Connect under pressure at 250 psi
  • SUS316 Stainless Steel Material
  • Fluorocarbon FKM O-Rings as standard, other O-rings are available per request
Datasheet Inquiry
qc series


  • Valved and non-valved stems available
  • Working pressure rating: up to 3,000 psig (206 bar)
  • Interchangeable and intermixable with major manufacturers’ Instrumentation Quick Connectors
  • Push-to-connect coupling enables quick, easy operation.
  • Wide variety of options, including keyed quick-connects,are available.
  • Locking dog mechanism with large contact area retains stem.


  • Gauge Calibration
  • Sampling System
  • Portable Test Equipment
  • Laboratory Equipment
  • Gas Distribution
  • Biopharmaceutical

Available Seals and Temperature Range

All carbon steel products have Nitrile Butadiene Rubber (NBR) seals fitted as standard. All stainless steel products have Fluoro-elastomer Rubber (Viton®) (FKM) seals fitted as standard. Special seal materials are available on request.

Abbreviation Trade Name Chemical Name Min. Temp Max. Temp
NBR, XNBR Chemigum®,  Hycar8,  Breon®,  Butakon®, Butacril®, Buna-N®, Perbunan®, Paracril®, Krynac®, Europrene-N®, Nipol® Nitrile Butadiene Rubber
Carboxylated Nitrile Rubber
-40ºC (-40ºF) 106ºC (223ºF)
FKM(FPM) Dai-el®, Fluorel®, Tecnoflon®, Viton® Fluoro-elastomer Rubber -20ºC (-4ºF) 200ºC (392ºF)
EPR, EPDM Buna-AP®, Dufral®, Epsyn®, Nordel®, Epcar8, Keltan®, Royalene®, Polysar-EPDM® Ethylene Propylene Copolymer
Ethylene Propylene Terpolymer
-50ºC (-58ºF) 120ºC (248ºF)
FVMQ Silastic 1S®, FSE® Fluorosilicone Rubber -65ºC (-85ºF) 170ºC (338ºF)
FFKM Perlast®, Kalrez®, Chemraz®, Kaflon® Perfluoroelastomer -25ºC (-13ºF) 300ºC (572ºF)