CUPLA - Nitto Kohki´s Quick Action Couplings - 18 / 158 Pages

For Low Pressure

Specifications
Cupla : Brass (Plated), Stainless steel (SUS 304)
Tube Fitter Type : Brass (Chrome-plated)

Body material

Micro Cupla

Thread

1/8" , M5 x 0.8

Tube barb
(Tube fitter)

Polyurethane tube: Outside Dia. ø4 ± 0.1, ø6 ± 0.1

Tube ID ø3, ø4
Size

+0.05

Fluorine contained resin tube: Outside Dia. ø4 ± 0.05, ø6 ± 0.07

For piping in pneumatic control devices
Working pressure

Valve structure

MPa

Working pressure

1.0

kgf/cm2

Applicable fluids

10

One-way shut-off

Air

bar

10

PSI

1.0
1.0 MPa
{10 kgf/cm2}

+0.05

Polyamide tube: Outside Dia. ø4 -0.08 , ø6 -0.08

145

Water (Tube Fitter type is unsuitable for water.)

Seal material
Working temperature range

Compact, lightweight Cuplas with only
9.5 mm outer diameter.
Push-to-connect operation. Tube Fitter
type for even easier tube insertion.
• Even though the valve is built in the socket, the sleeve outer diameter is
confined to 9.5 mm.
• Push-to-connect design.
• Compact design for piping in narrow spaces.
• Plated brass and stainless steel bodies are available for excellent corrosion
resistance.
• Available in various end configurations to satisfy a wide range of pneumatic
applications.
Note: Fluid will flow out from the plug side when disconnected.
Take necessary precaution if the fluid is water.

Working
temperature range

Seal material

Mark

Nitrile rubber

NBR (SG)

Fluoro rubber

Remarks

-20˚C to +80˚C Standard material
FKM (X-100) -20˚C to +180˚C Made-to-order item(s)

• Above specifications apply only to Cuplas. Working pressure, pressure resistance and working temperature
range may vary depending on tube materials you use with and its working temperature range.
Micro Cupla with Tube Fitter has NBR packing material only.

Max. Tightening Torque

Nm {kgf • cm}
M5 x 0.8

1/8"

1.3 {13}

Size (Thread)

7 {71}

Torque

Flow Direction
Air flows in either direction from plug or socket side when coupled.

Interchangeability
Sockets and plugs can be connected regardless of end configurations.

(mm2)

Min. Cross-Sectional Area
Model

MC-03SP

MC-04SP

MC-05SP

1.1

4.9

4.9

Min. cross-sectional area

Tube Fitter Type Tube Fitter Type

MC-10SP for 4 mm OD for 6 mm OD
tube

Suitability for Vacuum

tube

4.9

4.9

4.9

53.0 kPa {400 mmHg}

Socket only

Plug only

When connected

-

-

Operational

Pressure - Flow Characteristics
[Test conditions]

• Fluid : Air •Temperature : Room temperature
• Tube size : ø4 mm x ø2 mm, ø6 mm x ø4 mm (Micro Cupla with Tube Fitter)

0.2
MC-06SC x MC-06PC

0.1

Push-to-connect design with
automatic shut-off valve
Wide variety of end
configurations

Flow rate in m3/min

9.5 mm OD sleeve

MC-04SCL x MC-04PCL

MC-06SCL x MC-06PCL
MC-05SM x MC-05PM
MC-04SC x MC-04PC
0

0.1
{1}

0.2
{2}

Pressure in MPa {kgf/cm2}

1

CUPLA - Nitto Kohki´s Quick Action Couplings
  1. P. 1

  2. P. 13

    Guide for Selecting “NITTO” Standard CuplasThis chart will let you quickly select an appropriate Cupla for your application. For technical...
  3. P. 14

    Semi-standard Cupla SeriesAccessoriesSpecial Made-toOrder Cuplas“Semi-standard Cupla Series” are products with an already establishedrecord...
  4. P. 15

    Special Made-to-Order CuplasNitto Kohki is developing Cuplas with various functions and specifications to suit respective user’s applications. The...
  5. P. 16

    Cupla Quality ControlCuplas are delivered to the user only after passing the most stringent quality control procedures, including careful selection ofmaterials,...
  6. P. 17

    Standard Cupla SeriesIndexExamples of Air Line connections Using Hi Cuplas Group ModelsAir distribution is one of the typical piping systems. Various Hi...
  7. P. 18

  8. P. 19

    Micro Cupla (Brass)Models and DimensionsWAF : WAF stands for width across flats.PH type (Tube barb)SH type (Tube barb)BCBATDSocketHTPlugLModelMC-03PHMC-04PH3...
  9. P. 20

    Micro Cupla (Brass)Models and Dimensions (Micro Cupla with Tube Fitter)PC type (With Tube Fitter)SC type (With Tube Fitter)BTDSocketTPlugWAF : WAF stands...
  10. P. 21

    Micro Cupla (Stainless Steel Models)Micro CuplaBuilt-in automatic shut-off valve9.5 mm OD sleeveStainless Steel ModelsHighly Corrosion-resistantStainless...
  11. P. 22

    For Low PressureSpecificationsCupla : Brass (Chrome-plated)Tube Fitter Type: Brass (Nickel-plated)Body materialSmall CuplaThreadHose barbTube barb(Tube...
  12. P. 23

    Small CuplaModels and DimensionsWAF : WAF stands for width across flats.PN type (For connection to hose)SocketSN type (For connection to hose)BBDDPlugH1H2CLApplication(Hose)MS-40PNø4...
  13. P. 30

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  15. P. 50

  16. P. 60

  17. P. 70

  18. P. 80

  19. P. 90

  20. P. 100

Text version

All Nitto Kohki Deutschland catalogues and technical brochures

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