Quick-release mini couplings MRA

The unique design of our compact MRA coupling features an O-ring to ensures absolute air-tightness. The plug turns freely in the socket, preventing hose break and simplifying operation.

Applications: Compressed air circuits, test benches, laboratory tables, pneumatic automation control

Technical specifications

  • Nominal diameter DN (mm): 4
  • Maximum allowable pressure PS (bar)*: 
      • 10 bar standard 
      • 250 bar with IB version


Compressed air, gases, liquids


  • Plug in stainless steel 18/09
  • Socket: 
    • Standard: Brass 
    • IB version: Stainless steel 18/09

Other features

Single or double shut-off available

*depending on the model and operating conditions