CEJN® Series 303 Couplings

  • CEJN Series 303 couplings offer high-flow capacity and are insensitive to vibrations. A wide range of connections is included in the Series, which is also suitable for vacuum service. Male threads on the couplings and nipples feature pre-applied thread sealant.

Technical Data Summary
Specification Details  
Nominal Flow Diameter 6.5 mm
Coupling Material Zinc plated steel/brass
Nipple Material Hardened zinc-plated steel
Maximum Working Pressure  
16 bar
Maximum Burst Pressure  
140 bar
Standard Flow Rate  
1450 l/min (51.2 CFM)
Temperature Range  
  -20°C to +100°c


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

    • CEJN® Series 303 Hose Tail Coupling
    CEJN® Series 303 Hose Tail Coupling
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    CEJN® Series 303 Male Coupling BSPT
    CEJN® Series 303 Male Coupling BSPT
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    CEJN® Series 303 Female Coupling BSPP
    CEJN® Series 303 Female Coupling BSPP
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    CEJN® Series 303 Stream-Line Coupling
    CEJN® Series 303 Stream-Line Coupling
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    CEJN® Series 303 Hose Tail Adaptor
    CEJN® Series 303 Hose Tail Adaptor
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    CEJN® Series 303 Male Adaptor BSPT
    CEJN® Series 303 Male Adaptor BSPT
    Quick Buy
    CEJN® Series 303 Female Adaptor BSPP
    CEJN® Series 303 Female Adaptor BSPP
    Quick Buy
    CEJN® Series 303 Stream-Line Adaptor
    CEJN® Series 303 Stream-Line Adaptor
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    CEJN® Series 303 Hose Tail Anti-Whip Adaptor
    CEJN® Series 303 Hose Tail Anti-Whip Adaptor
    Quick Buy
    CEJN® Series 303 Male Anti-Whip Adaptor BSPT
    CEJN® Series 303 Male Anti-Whip Adaptor BSPT
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    CEJN® Series 303 Stream-Line Anti-Whip Adaptor
    CEJN® Series 303 Stream-Line Anti-Whip Adaptor
    Quick Buy

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