CEJINC

CEJN® Series 303 Couplings

  • 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 6.5mm
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
    From £25.52 ex VAT
    CEJN® Series 303 Male Coupling BSPT
    CEJN® Series 303 Male Coupling BSPT
    From £25.52 ex VAT
    CEJN® Series 303 Female Coupling BSPP
    CEJN® Series 303 Female Coupling BSPP
    From £25.52 ex VAT
    CEJN® Series 303 Stream-Line Coupling
    CEJN® Series 303 Stream-Line Coupling
    From £31.07 ex VAT
    CEJN® Series 303 Hose Tail Adaptor
    CEJN® Series 303 Hose Tail Adaptor
    From £4.35 ex VAT
    CEJN® Series 303 Male Adaptor BSPT
    CEJN® Series 303 Male Adaptor BSPT
    From £4.00 ex VAT
    CEJN® Series 303 Female Adaptor BSPP
    CEJN® Series 303 Female Adaptor BSPP
    From £4.83 ex VAT
    CEJN® Series 303 Stream-Line Adaptor
    CEJN® Series 303 Stream-Line Adaptor
    From £17.55 ex VAT
    CEJN® Series 303 Hose Tail Anti-Whip Adaptor
    CEJN® Series 303 Hose Tail Anti-Whip Adaptor
    £10.14 ex VAT
    CEJN® Series 303 Male Anti-Whip Adaptor BSPT
    CEJN® Series 303 Male Anti-Whip Adaptor BSPT
    £10.14 ex VAT
    CEJN® Series 303 Stream-Line Anti-Whip Adaptor
    CEJN® Series 303 Stream-Line Anti-Whip Adaptor
    £10.14 ex VAT
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