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450B TYPE CUPLA
■ Ball lock CUPLA that handles a normal working pressure of 450kg/cm2.
■ Sleeve stopper mechanism protects CUPLA from incidental disconnection caused by vibration or impact.
■ Metal touch valve system is ideal for ultra-high pressure hydranlic equipment.
 
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日东接头 Nitto Cupla
Features
  • Uitra-high pressure CUPLA with valve mechanisms in both socket and plug.
  • Metal touch system is extremely durable.
  • Prevening disconnection when in use, the stopper mechanism provides a high level of safety.
Applications
日东接头 Nitto Cupla
Recommended fluid
Applications
Special steel
  • Operating oil
  • Hydraulic equipment and hydraulic piping
  • Hydraulic tools
  •  
    Specifications
    Material
    Special steel
    Size
    3/8"
    Working pressure(kgf/cm2)
    450
    Maximum pressure(kgf/cm2)
    700
    Packing material and
    operating temperature
    Rubber material
    Nitto symbol
    Operation temperature
    Remarks
    Nitrile butadiene rubber
    SG
    -20℃~
    +80℃
    Standbard
    material
    Type of connection
    Female thread for both socket and plug
    Flow loss upon
    disconnection
    0.1cc/min. at 3kg/cm2
     
    Minimum Cross-Sectional Area
    Model
    450B-3SP
    Minmum cross-sectional area(mm2)
    37
     
    Structure
  • When disconnected
  • Characteristically, there is an extremely slight leakage when CUPLA is disconnected due to the metal seal system but it is not a functional problem.
    日东接头 Nitto Cupla
  • When When connected
  • Since there is no packing used in the valve, there is no packing wear even if flow velocity changes quickly.
    日东接头 Nitto Cupla
     
    Flow Rate/Pressure Loss
    [Measurement Conditions]  
    Fluid: Hydraulic Fluid # 52 Kinetic viscosity: 50 centi-Stokes
    Temperature: 30℃±5℃  Specific gravity: 0.8727×10-3kg/cm3
    日东接头 Nitto Cupla
     
    Precaution
    • There is an extremely slight leakage when CUPLA is disconnected due to the metal touch system.
    • Remove any dust adhering to the socket or plug.
    • Do not use this CUPLA with hydraulic equipment where there is a significant amount of vibration or pulsative pressure.
    Dimensions and Weight Tables    
       
    日东接头 Nitto Cupla 日东接头 Nitto Cupla
       
    日东接头 Nitto Cupla
    Model
    Application
    Dimensions (mm)
    Weight(g)
    Lp
    C
    Hp
    T
    450B-3P
    PT3/8"
    37.5
    22.5
    2hex.24×¢28
    PT3/8"
    95
     
    日东接头 Nitto Cupla
    Model
    Application
    Dimensions (mm)
    Weight(g)
    Lp
    C
    Hp
    T
    450B-3S
    PT3/8"
    59.5
    36
    2hex.24×¢30
    PT3/8"
    285

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