CEJN® Series 421 Couplings - Industrial Ancillaries

CEJN® Series 421 Couplings

  • Series 421 couplings offer high-flow capacity and are insensitive to vibrations. One-hand operated with steel components for strength and durability.

Technical Data Summary
Specification Details  
Nominal Flow Diameter 10mm
Coupling Material Zinc-plated Steel
Nipple Material Hardened Zinc-plated Steel
Maximum Working Pressure  
16 bar
Maximum Burst Pressure  
64 bar
Standard Flow Rate  
3200 l/min (113 CFM)
Interchangeable with:  
  Atlas Copco QIC15
Temperature Range  
  -30°c to +100°c (-22°F to + 212°F)


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