CEJN® Series 577 Non-Drip Couplings

  • With unlimited combination possibilities, CEJN Series 577 non-drip modular couplings are adaptable to virtually all applications and system requirements. The Non-Drip design of the Series ensures practically zero spillage and eliminates pollution and air inclusion during connection and disconnection. The Series is available in three configurations: straight through, single shut-off and double shut-off. Series 577 is also available with color-coding and/or key coding for extra safety. Optional seal material upon request.

  • The Series is also available in four other sizes: Series 277, 477, 677 and 777. Please refer to Series 567 for an all brass version. For other sizes in brass, refer to Series 267, 467, 667 and 767.

  • Non-Drip design

  • Unlimited combination possibilities
  • Different safety levels to avoid mixing media

Technical Data Summary
Specification Details  
Nominal Flow Diameter 9.0mm
Coupling Material Stainless steel, AISI 316
Nipple Material Stainless steel, AISI 316
Maximum Working Pressure  
20 bar
Maximum Burst Pressure  
80 bar
Water flow (double shut-off)  
76 l/min (16.7 GPM UK)
Water flow (single shut-off)  
76 l/min (16.7 GPM UK)
Water flow (straight through)  
187 l/min (41.1 GPM UK)
Temperature Range  
  -5°C to +205°C (23°F to +401°F)


  • Flow capacity is measured at 4 bar (58 PSI) pressure drop.

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