CEJN® Series 321 Couplings

  • Featuring valved couplings and non-valved nipples, Series 321 has superior flow capacity. Series 321 is suitable for a variety of fluid applications, such as water inlet and return for injection molding lines. A large range of connections is available in the series that requires only one hand for operation. Other sealing materials, such as EPDM, are availabe on request

  • One-hand operated

  • Extremely high-flow capacity

  • Large range of connections

Technical Data Summary
Specification Details  
Nominal Flow Diameter 7.4mm
Coupling Material Nickel Plated Brass
Nipple Material Nickel Plated Brass
Maximum Working Pressure  
  35 bar
Maximum Burst Pressure  
  140 bar
Standard Flow Rate  
  78 l/min (17.2 GPM UK)
Temperature Range  
  -20°C to +100°C (-4°F to +212°F)