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CEJN® Series 442 Safety Lock Couplings

  • Series 442 couplings withstand extremely rough handling in extra tough applications. The series features a zinc-plated steel/brass construction with a locking sleeve made of hardened zinc-plated steel. The series offers a wide range of connections, as well as anti-hose whip nipples. The automatic safetylocking feature prevents unintentional disconnection.
Technical Data Summary
Specification Details  
Nominal Flow Diameter 10.4mm
Coupling Material Zinc Plated Steel/ Brass
Nipple Material Hardened Zinc Plated Steel
Maximum Working Pressure  
  35 bar
Maximum Burst Pressure  
  140 bar
Standard Flow Rate  
  3950 l/min (139.4 CFM)
Temperature Range  
  -30°c to + 100°c (-22°F to +212°F)


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

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