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CEJN® Series 550 eSafe Couplings

  • Series 550 couplings feature an easy-to-grip design and require only a low connection force. They are smaller and more compact and generate higher flows than comparable designs. Series 550 couplings have an extremely low noise level upon disconnection. The Series includes anti-hose whip nipples. The Series 550 vented safety version is disconnected in two stages in order to vent the coupling and minimize the risk of sudden component separation, which has the potential to cause operator injury. Its unique, balanced-valve design makes it extremely easy to connect, regardless of system pressure. The safety version is also ideal for multiple connection points, such as manifold applications in which low connection force is required. It complies with ISO Standard 4414 and EN 983.
Technical Data Summary
Specification Details  
Nominal Flow Diameter 11mm
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  
  3750 l/min (132.4 CFM)
Temperature Range  
  -20°c to + 100°c (-4°F to +212°F)


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

    • Grid List
    CEJN® Series 550 Male Coupling BSPT
    CEJN® Series 550 Male Coupling BSPT CEJN-105501154
    From £85.87
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    CEJN® Series 550 Male Coupling NPT
    CEJN® Series 550 Male Coupling NPT CEJN-105501454
    From £84.31
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    CEJN® Series 550 Female Coupling BSPP
    CEJN® Series 550 Female Coupling BSPP CEJN-105501204
    From £85.87
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    CEJN® Series 550 Female Coupling NPT
    CEJN® Series 550 Female Coupling NPT CEJN-105501404
    From £84.31
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    CEJN® Series 550 Hose Tail Coupling
    CEJN® Series 550 Hose Tail Coupling CEJN-105501004
    From £84.44
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    CEJN® Series 550 Male Adaptor BSPT
    CEJN® Series 550 Male Adaptor BSPT CEJN-105505152
    From £14.48
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    CEJN® Series 550 Male Adaptor NPT
    CEJN® Series 550 Male Adaptor NPT CEJN-105503454
    From £268.26
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    CEJN® Series 550 Female Adaptor BSPP
    CEJN® Series 550 Female Adaptor BSPP CEJN-105505204
    From £15.85
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    CEJN® Series 550 Female Adaptor NPT
    CEJN® Series 550 Female Adaptor NPT CEJN-105505404
    From £15.85
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    CEJN® Series 550 Hose Tail Adaptor
    CEJN® Series 550 Hose Tail Adaptor CEJN-105505004
    From £9.67
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    CEJN® Series 550 safety male couplings
    CEJN® Safety Series 550 Male Coupling CEJN-105503155
    From £273.19
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    CEJN® Safety Series 550 Female Coupling
    CEJN® Safety Series 550 Female Coupling CEJN-105503205
    From £273.19
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    CEJN® Safety Series 550 Female Coupling
    CEJN® Safety Series 550 Female Coupling CEJN-105503205
    From £273.19
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    CEJN® Safety Series 550 Hose Tail Adaptor
    CEJN® Safety Series 550 Hose Tail Adaptor CEJN-105508005
    £54.28
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