IA3 Series

ISO 7241:2023 Quick Coupling Similar SafeWay S56 Quick Coupling

The IA3 series is ISO A quick coupling similar to the safeway S56
series in appearance, and complies with the ISO7241 series A standard.
Appearance that is more popular in the Middle East and Southeast Asia


  • Carbon steel with trivalent plating (Zinc nickel plating available for option)
  • Fitted with Nitrile seals – NBR (Viton seals available – FKM)
  • Differenc appearance but same connection dimension with IA and IA2 Series interchangeable half to half
  • They also can be produced with Stainless Steel materials
Datasheet Inquiry
IA3 Series ISO A Quick Couplings


  • Optional zinc nickel plating provides corrosion resistance
    (1200 hours with no red rust in salt spray tests)
  • Poppet valves have balanced springs
  • Locking ball system allows quick connection
  • Bidirectional flow


  • Agricultural
  • Mobile
  • Construction
  • General industrial
IA3 Series dimensions


The IA3 series is also a quick connector that meets the ISO7241 series A size requirements and can be connected half-and-half interchangeably with any quick connector that meets this standard.

ISO 7241:2023

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)