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)


CEJN® Series 321 Female Coupling BSPP
CEJN® Series 321 Female Coupling BSPP
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CEJN® Series 321 Hose Tail Coupling
CEJN® Series 321 Hose Tail Coupling
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CEJN® Series 321 Male Adaptor
CEJN® Series 321 Male Adaptor
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CEJN® Series 321 Hose Tail Adaptor
CEJN® Series 321 Hose Tail Adaptor
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