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PCV CUPLA
■ Straight pipe couplesr specially designed for pressure test, vacuum evacuation, and freon charging.
■ Possible connection and disconnection without welding or flaring pipes.
■ Can withstand a 10-3mmHg degree of vacuum and is most suitable for freon (R12,22) and refrigeration oil.
■ Packings are also selectable according to type of fluuid.
 
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日东接头 Nitto Cupla
Feature
  • Pipe chuck system for fixing outside of a pipe uniformly is used for safety.
  • A copper pipe is sealed by a packing for sealing the pipe and by a special X ring for sealing the periphery of pipe to provide an excellent seal and vacuum resistance.
  • At insertion, no pipe comes in contact with the outer seal (X ring) to prevent rubber deterioration.
  • A single lever operation allows a pipe to be chucked and sealed at the same time.
  • Easy maintenance. The packing, X ring and chuck can be replaced just with a screwdriver.
Applications
日东接头 Nitto Cupla
Recommended fluid
Applications
Brass
  • Freon (R12, R22)
  • Refrigeration oil
  • Helium
  • Nitrogen
  • Air
  • Pressure test, refrigerant charging
     and vacuum evacuation in the
     manufacturing processes of air
     conditioners or refrigerators
  •  
    日东接头 Nitto Cupla
     
    Specifications
    Model
    PCV-
    470
    PCV-600
    PCV-630
    PCV-
    800
    PCV-
    950
    PCV-
    1270
    PCV-
    1590
    Copper pipe size
    ¢4.76
    (3/16")
    ¢6.0
    ¢6.35
    (1/4")
    ¢8.0
    (5/16")
    ¢9.52
    (3/8")
    ¢12.7
    (1/2")
    ¢15.88
    (5/8")
    Body Material
    Brass
    Working pressure(kgf/cm2)
    30
    20
    Maximum pressure(kgf/cm2)
    45
    32
    Packing material and
    operating temperature
    Rubber material
    Nitto symbol
    Operation temperature
    Remarks
    Neoprene
    X-306
    -20℃~
    +80℃
    Select either
    for order
    Viton
    X-100
    -20℃~
    +180℃
    Appilcable fluid
    Neoprene
    Freon R12/22、helium, nitrogen,air
    Viton
    Freon R12, helium, nitrogen, hot air,
    refrigeration oil
    Vacuum resistance
    10-3mmHg
    Type of connection
    Bull plug/Male thread
     
    Operation and Structure
  • When connecting
  • Pull up clamp lever at least 90°and insert pipe until it meets the packing.
  • Push down clamp lever.
  • When chucked, the pipe is drawm in an additiona; 0.5mm and the end is sealed. (Using excessive force when inserting pipe may shorten the life of the packing seal.)
  • When disconnecting
  • 日东接头 Nitto Cupla
  • Pull clamp lever up at least 90°.
  • Pipe disconnects easily.
  • Precaution
    • Pipe CUPLA sizes are according to outer diameter of pipe.
    • Consult us when using a pipe with thin walls.
    • Make sure pipe is free of burrs or deformation. Chamfer the pipe end.
    • Use vise to hold hexagonal part of socket adapter when connecting SP-V plug set.
    • Do not connect/disconnect while there is pressure in the line.
    • After using, disconnect pipe and leave clamp lever in up position for storage.
    • The packing, X-ring, and chuck eventually wear down and should be replaced after the CUPLA has been connected/disconnected approx. 5,000 times.
    Dimensions and Weight Tables    
    日东接头 Nitto Cupla
    Model
    Pipe outer
    diameter (Cu)
    Type
    Threas size(T)
    Weight
    (g)
    Dimensions(mm)
    Length of pipe
    inserted (mm)

    Pipe wall thick-
    ness requiyed
    (mm)
    Minimum cross-
    sectional area
    (mm2)
    L
    A
    H
    ¢B
    ¢D
    C
    PCV-470
    ¢4.76
    (3/16")
    PCV-470-2
    PT1/4"
    155
    61
    12
    Hex.17
    2.8
    22.2
    28.6
    19
    0.8 or more
    6.15
    PCV-470-3
    PT3/8"
    160
    62
    13
    Hex.19
    PCV-470-0
    Bull plug
    160
    49
    -
    Hex.14
    -
    PCV-600
    ¢6
    PCV-600-2
    PT1/4"
    150
    61
    12
    Hex.17
    4.0
    22.2
    28.6
    12.56
    PCV-600-3
    PT3/8"
    155
    62
    13
    Hex.19
    PCV-600-0
    Bull plug
    155
    49
    -
    Hex.14
    -
    PCV-630
    ¢6.35
    (1/4")
    PCV-630-2
    PT1/4"
    145
    61
    12
    Hex.17
    4.0
    22.2
    28.6
    12.56
    PCV-630-3
    PT3/8"
    150
    62
    13
    Hex.19
    PCV-630-0
    Bull plug
    150
    49
    -
    Hex.14
    -
    PCV-800
    ¢8
    (5/16")
    PCV-800-2
    PT1/4"
    175
    62.5
    12
    Hex.17
    5.5
    24.8
    31.6
    20.5
    23.75
    PCV-800-3
    PT3/8"
    180
    63.5
    13
    Hex.19
    PCV-800-0
    Bull plug
    185
    50.5
    -
    Hex.17
    -
    PCV-950
    ¢9.52
    (3/8")
    PCV-950-2
    PT1/4"
    175
    62.5
    12
    Hex.17
    7.0
    24.8
    31.6
    38.48
    PCV-950-3
    PT3/8"
    180
    63.5
    13
    Hex.19
    PCV-950-0
    Bull plug
    180
    50.5
    -
    Hex.17
    -
    PCV-1270
    ¢12.7
    (1/2")
    PCV-1270-3
    PT3/8"
    465
    80.7
    13
    Hex.24
    9.7
    34.8
    41.6
    30
    1.0 or more
    73.80
    PCV-1270-0
    Bull plug
    475
    67.7
    -
    -
    PCV-1590
    ¢15.88
    (5/8")
    PCV-1590-3
    PT3/8"
    435
    80.7
    13
    Hex.24
    10.0
    34.8
    41.6
    78.53
    PCV-1590-0
    Bull plug
    445
    67.7
    -
    -

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