IAP Series

Connect under pressure female couplers (Connects to ” ISO A male probes) 

AKJia’s IAP Series ISO A female couplers are designed primarily for the agricultural industries and incorporate a push-pull design. The coupler can be either panel mounted using circlip grooves or manifold mounted.


  • Carbon steel with trivalent plating
  • Fitted with Nitrile seals – NBR (Viton seals – FKM available)
  • Working together with IA Series, IA2 Series, IAM Series, IA3 Series and IA4 series male plug
Datasheet Inquiry
IAP Series ISO A connect under pressure female couplers


  • This can be connected with residual pressure in the line
  • Can be connected with standard ISO A or ISO 5675 1/2″ male couplers
  • The release mechanism protects the coupler and hose from damage in the event of accidental separating force
  • The locking ball system allows quick connection
  • Bidirectional flow


  • Agricultural
  • Mobile
  • Construction
  • General industrial
IAP drawing


Special for ISO A 1/2″ body size female coupler can operate under pressure.Connecting under pressure with ISO A female couplers involves a specific procedure to ensure safety and proper operation

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)