CEJN® Series 381 Button Style Couplings

  • Compact and light quick-connect coupling, newly shaped in order to meet ergonomic and industrial design requirements. Series 381 has an easy and safe connection/disconnection and are in accordance with ISO 4414 (safety standard). The nipple profile is according to ISO 6150 C.
Technical Data Summary
Specification Details  
Nominal Flow Diameter 8.0mm
Coupling Material Steel
Nipple Material Hardened Steel
Maximum Working Pressure  
  10 bar
Maximum Burst Pressure  
  40 bar
Standard Flow Rate  
  1050 l/min (37.1 CFM)
Temperature Range  
  -20°c to + 90°c (-4°F to +194°F) /td>


  • Flow capacity measured at 6 bar (87 PSI) inlet pressure and pressure drop at 0.5 bar (7 PSI).