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SP-V CUPLA
■ CUPLA valves(patd.) designed specifically for vacuum evacuation and freon charging.
■ External shape. dimensions and pressure tightness are the same as the SP,but an ultratight seal is used in the internal automatic shut-off valve mechanism which enables it to withstand the suction force of a vacuum.
■ Able to withstand a 10-3mmHg vacuum. Ideal for freon (R12,22) and refrigeration oil.
 
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日东接头 Nitto Cupla
Features
  • Valves in both the plug and socket prevent leakage of gas or oil upon disconnection.
  • Highly accurate machining technology creates an extremely tight seal.
  • Ball lock system allows free swiveling action of hose
Specifications
Material
Brass(standard)
Stainless Steel (order)
Size
1/4",3/8"
1/2",3/4"
1/4",3/8"
1/2",3/4"
Working pressure(kgf/cm2)
50
30
75
45
Maximum pressure(kgf/cm2)
75
45
100
65
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
Degree of vacuum
When disconnected
10-3mmHg
When
connected
10-3mmHg
Type of connection
Female thread for both socket and plug
 
Applications
日东接头 Nitto Cupla
Recommended fluid
Applications
Brass
  • Air
  • Freon (R12, R22)
  • Refrigeration oil
  • Helium
  • Nitrogen
  • Vacuum
  • Vacuum evacuation
  • Freon gas
  • Refrigeration oil charging
  • Stainless steel
     
    Structure
  • When disconnected
  • The socket and plug valves seal instantly, automatically shutting off fluid flow to prevent leakage.
    日东接头 Nitto Cupla
  • When When connected
  • The socket and plug valves push together, opening to permit free flow of fluid through CUPLA.An O-ring in the socket seals the plug surface preventing any leakage.
    日东接头 Nitto Cupla
     
    Interchangeability
    • Different size sockets and plugs are not interchangeable.
    • The SP-V (except for the 3SP-V) is interchangeable with the SP.
    Precaution
    • Dust, foreign matter and flaws may reduce vacuum resistance.
         
    Dimensions and Weight Tables    
       
    日东接头 Nitto Cupla 日东接头 Nitto Cupla
       
    日东接头 Nitto Cupla
    Model
    Applications
    Weight(g)
    Dimensions(mm)
    Brass
    Stainless steel
    Lp
    Hp
    C
    A
    T
    2P-V
    PT1/4"
    38
    35
    36
    Hex.17
    22
    13
    PT1/4"
    3P-V
    PT3/8"
    65
    60
    40
    Hex.21
    25
    13
    PT3/8"
    4P-V
    PT1/2"
    134
    124
    44
    Hex.29
    28
    15
    PT1/2"
    6P-V
    PT3/4"
    231
    213
    52
    Hex.35
    36
    17
    PT3/4"
     
    日东接头 Nitto Cupla
    Model
    Applications
    Weight(g)
    Dimensions(mm)
    Brass
    Stainless steel
    Lp
    ¢D
    Hs
    A
    T
    2S-V
    PT1/4"
    145
    134
    58
    28
    Hex.19×¢22
    13
    PT1/4"
    3S-V
    PT3/8"
    227
    209
    65
    35
    Hex.21×¢25
    13
    PT3/8"
    4S-V
    PT1/2"
    466
    431
    72
    45
    Hex.29×¢35
    15
    PT1/2"
    6S-V
    PT3/4"
    773
    714
    88
    55
    Hex.35×¢41
    17
    PT3/4"

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