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PLASTIC NUT-CUPLA
■ One-way automatic shut-off valve in the socket.
■ Interchangeable with Hi CUPLAs.
■ Connection to hose is easy, simply insert the CUPLA stem into the hose end and tighten the nut.
■ Lightweight and highly operable design makes it ideal for light work.
 
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日东接头 Nitto Cupla
Feathres
  • Fluid flow can go either way.
  • Connection to hose is easy, simply insert the CUPLA stem into the hose end and tighten the nut. Band is unnecessary.
  • Lightweight resin CUPLA is highly operable and never damages peripheral equipment.
  • Most suitable for use with both fresh and sea water.
 
Applications
日东接头 Nitto Cupla
Recommended fluid
Applications
Polyacetal resin
Air、water、oil
Pneumatic tools for light work,air piping,
painting equipment piping,water piping
 
Specifications
Material
Polyacetal resin
Sizes
inner diameter ¢5,¢8,¢8.5
Working pressure (kg/cm2)
10
Maximum pressure (kg/cm2)
15
Packing material and
operating temperature
Rubber material
Nitto
symbol
Operation temperature
Remarks
Nitrile butadiene
rubber
SG
-20℃~+80℃
Standbard
material
Note) Use the resin CUPLA within the temperature range of -20℃ to +50℃
 
Structure
  • When disconnected
  • The socket valve
    provides an instant
    seal, automatically
    shutting off fluid flow
    to prevent leakage.
    日东接头 Nitto Cupla
  • when connected
  • The plug and socket
    engage securely, fully
    opening valve auto-
    matically to assure
    maximm fluid flow.
    The O-ring presses
    against the outer-
    日东接头 Nitto Cupla
    cylinder of the pulg forming a seal that prevents leakage.
     
    How To Connect Urethane Hose
    日东接头 Nitto Cupla
     
    Interchangeability
    • Sockets and plugs are interchangeable irrespective of the type.
     
    Precaution
    • Dust, foreign matter and flaws may cause leakage.
    • Do not use at temperatures above 50℃.
    • Do not use with impact/vibrating tools.
         
    Dimensions and Weight Tables    
         
    日东接头 Nitto Cupla 日东接头 Nitto Cupla
       
    日东接头 Nitto Cupla
    Model
    Application
    Weight(g)
    Dimensions(mm)
    LP
    ¢E
    HA
    HC
    50PN
    For ¢5×¢8 hose
    16
    47.5
    21
    Hex.19
    Hex.19
    65PN
    For ¢6.5×¢10 hose
    18
    47.5
    21
    Hex.19
    Hex.19
    85PN
    For ¢8×¢12 hose
    For ¢8.5×¢12.5 hose
    20
    48
    24
    Hex.22
    Hex.19
     
    日东接头 Nitto Cupla
    Model
    Application
    Weight(g)
    Dimensions(mm)
    LS
    ¢D
    HA
    HB
    50SN
    For ¢5×¢8 hose
    32
    65.5
    28
    Hex.19
    Hex.19
    65SN
    For ¢6.5×¢10 hose
    35
    65.5
    28
    Hex.19
    Hex.19
    85SN
    For ¢8×¢12 hose
    For ¢8.5×¢12.5 hose
    38
    66
    28
    Hex.22
    Hex.22

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