Ck061

Quick Connect Couplings

Nitto Kohki offers high-quality,
one-of-a-kind quick connect couplings for various applications

Products Complywith RoHS Directive

Valve structure

Applicable fluids

One-way shut-offAir

Body Material

MICRO CUPLA

Water(Tube Fitter type is
unsuitable for water.)Brass, Stainless SteelWorking Pressure

145 PSI

Vacuum Suitability

400 mmHg

Seal Material

NBRFeatures

Quick push-to connect design
Outer sleeve is only 3/8" wide, ideal for piping in space-limited area
Plated brass and Stainless bodies for excellent corrosion resistance
Available in various configurations

Configurations
Tube Barb

3 mm ID, 4 mm ID

Male Thread

M5, BSPT 1/8", 12-32UNF

Tube Fitting

4 mm OD, 6 mm OD
Panel Mount Type

Pre-assembled Manifolds(BSPT 1/8" x 2 ports sideway)

Valve structure

Applicable fluids

One-way shut-off

Air

Body material

Water(Tube Fitter type is
unsuitable for water.)BrassWorking Pressure

145 PSI

Vacuum Suitability

400 mmHg

Seal Material

NBR

SMALL CUPLA

Features
Quick push-to connect design
Outer sleeve is only 9/16" wide, suitable for piping in space-limited area
2-3 time wider flow path compared with MICRO CUPLA series
Plated brass bodies for excellent corrosion resistanceConfigurations
Hose Connection

4 mm ID x 6 mm OD,
4.5 mm ID x 6 mm OD

Male Thread

BSPT 1/8", BSPT 1/4"

Female Thread

BSPT 1/8"

Tube Fitting

6 mm OD Tube
8 mm OD Tube
Panel Mount
Type Available

Pre-assembled Manifolds(BSPT 1/4" x 2 ports sideway)

Valve structure

Two-way shut-off

One-way shut-off

Straight throughApplicable fluids

AirBody Material▲ Blue▲ Green▲ Ivory▲ PinkCUBE CUPLA

Working Pressure▲ Yellow

Vacuum Suitability
Seal Material

Water

Polyacetal Resin (POM)
145 PSI
400 mmHg
NBRFeatures

Ultra-lightweight plastic body
Quick push-to-connect design
Ergonomic 2 way release-button design, preventing accidental disconnection
Available in 5 different colors for flow line identification
Available in various configurations and valving options

Configurations

Hose Barb

4 mm ID,
6 mm ID
Panel Mount
Type Available

Male Thread

BSPT 1/8"&83/$ZLOOQRWEHUHOHDVHGXQOHVVERWKVLGHV·EXWWRQV
are pressed at the same time to prevent accidental disconnection

Size Comparison (Full Scale)
9.5 mm OD (3/8")▲ MICRO CUPLA

14 mm (9/16")

Light weight (10 grams in combination)is suitable for installation to portable devices▲ SMALL CUPLA

20.3 mm(13/16")▲ CUBE CUPLA

1/4" Industrial
Interchange CUPLA

5 color variations provide the operators withclear identification of each line for error proof

Valve structure

Applicable fluids

One-way shut-off

Body Material

AirEngineering Plastics(PBT, POM)

Working Pressure

218 PSI(145 PSI for branch type)

Vacuum Suitability

400 mmHg

Seal Material

HI CUPLA ACEFeatures

Combines the advantage of plastic material with excellent performance of our metal CUPLA for industrial use.
Easy and quick push-to-connect design
The weight is only 25% of our steel CUPLA, improving maneuverability while reducing the chance ofdamaging surrounding vulnerable goods
Sleeve lock function to avoid accidental disconnection
Plastic body material is suitable for water line, outdoor application
Hose protector type provides hose with greater durability against bending

Configurations
Hose Barb

1/4", 3/8"

Male Thread

BSPT 1/4", 3/8"

Hose Adapter5 mm ID x 8 mm OD, 6 mm ID x 9 mm OD,6.5 mm ID x 10 mm OD, 8 mm ID x 12mm OD,8.5 mm ID x 12.5 mm OD

Female Thread

Parallel (G) 1/4"

Hose with protector

5 mm ID x 8 mm OD,
6.5 mm ID x 10 mm OD,8.5 mm ID x 12.5 mm OD

Branch Type
Socket ports x 2, Plug port x 1

Water

NBR

Valve structure

Applicable fluids

One-way shut-off

Air

CUPLA : Brass
Plate : Aluminum Alloy(4,8,12 ports)
Steel (16 ports)

Body Material
Working Pressure

102 PSI

Vacuum Suitability

N/A

Seal Material

NBR

MULTI CUPLA MAM TypeFeatures

Simple lever operation provides quick and secure connection of multiple lines
Robust metal construction for tough application
Precision guide shaft and ball locking mechanism provides user-friendly smooth operation
3 stage lever operation system provides operators with safety, avoiding unintended disconnection

Port Number Options
Female BSPT 1/8"
x 4, 8, 12, 16 ports▲ 4 port

Lever Operation▲ 8 port▲ 12 port▲ 16 port

Sleeve Locking System

Release Position

1. Pull handle sleeve

Parking Position
Valve : Closed
Lock : EngagedFlow Position
Valve : Open
Lock : Engaged

2. Shift Lever

Valve structure

Applicable fluids

One-way shut-off

Air

Body Material

Brass (Nickel Plated)

Working Pressure

MULTI CUPLA MALC-01 TypeWater

145 PSI

Vacuum Suitability

N/A

Seal Material

NBR

Features

Face seal CUPLA suitable for custom modular design of air and water line connection system
Easy-to-install design allowing as wide as 2mm axial eccentricity to secure maximum flow path
Only socket unit itself fulfills flow line connection when used against flat surface,making it flexible for custom system design

Male Thread Mount
M14 x 1

Flange Mount Type

Beforeconnection

PlugSocket

Configurations
ø2mm

1.6

Counterpart
Equipment

MALC-01 Type(Socket)

Maximum 2 mm axial
eccentricity allowance

Afterconnection
Counterpart
Equipment

MALC-01 Type(Socket)

Only socket itself fulfills
the flow line connection

SPTypeSP Type

Valve
Valve
structure
structure

Two-way shut-off(Non-Spill)

HSP
HSP Type
Type

Applicable
Applicable fluids
fluidsWater

MULTI CUPLA MALC-SP/HSP Type

Hydraulic oil

Air

Valve
Valve
structure
structure

Applicable fluids

Two-way shut-off(Non-Spill)

Hydraulic oil

Body Material

SP Type : Stainless SteelHSP Type : Special SteelWorking Pressure

SP Type : 290-218 PSIHSP Type : 1160 PSI

Vacuum Suitability

N/ASeal Material

FKMFeatures
FLAT FACE CUPLA suitable for custom modular design of water & hydraulic line connection system
Both spill per disconnection and air admixture per connections are reduced to minimum level (see charts below)
Easy-to-install design allowing a 2 mm axial eccentricity to secure maximum flow path
Wide flow path allows maximize the connection system efficiency

Configurations
Male Thread MountM16 x 1, M20 x 1.5,
M24 x 1.5, M35 x 1.5,
M40 x 2, M45 x 2, M62 x 2Flange Mount

Snap Ring Mount(Only SP Type is available)

Spill Per Disconnection / Air Admixture Per Connection
Size

1/8"

1/4"

3/8"

1/2"

3/4"

1"

1-1/2"

(mL)

0.08

0.14

0.26

0.55

0.95

0.85

1.46

Valve structure

Applicable fluids

Two-way shut-off

High purity
chemicals

Water

Gas

Air

Electro-polished
Stainless Steel(SUS304, SUS 316)

Body Material
Working Pressure

29 PSI
FKM, EPDM,
Perfluoroelastomer, Kalrez

Seal Material

Electro-polishedsurface treatment

SEMICON CUPLA SP TypeGrease-free SealingFeatures
Grease-free design to eliminate the risk of fluid contamination
Body surface is electro-polished for enhanced corrosion resistance
Cleaned, assembled, inspected and packed in a clean room
4 choices of seal material available to suit your fluid and application

Female Thread

1/8" BSPT, 1/8" NPT,
1/8" UNS, 1/4" BSPT,
1/4" NPT, 1/4" UNS,
3/8" BSPT, 1/2" BSPT,
3/4" BSPT, 1" BSPT

Wide range of end configurations

Valve structureApplicable fluids

Two-way shut-off

High purity
chemicals

PTFE

Working Pressure

29 PSI

Female Thread

Air

FEP-covered Fluoro rubber

FEP encapsulate O-RingFeatures
Grease-free design to eliminate the risk of fluid contamination
PTFE body provides excellent resistance to chemicals
No metal parts contacts with liquid so it will not dissolve metal ions into the fluid
Optional keyway lock available to prevent incorrect connection
Cleaned, assembled, inspected and packed in a clean room
1/4" BSPT, 1/4 NPT,
3/8" BSPT, 3/8" NPT
1/2" BSPT, 1/2" NPT,
3/4" BSPT, 3/4" NPT,
1" BSPT, 1" NPTGas

Body Material
Seal Material

SEMICON CUPLA SCT Type

Water

PTFE Body

PFA Spring

PFA Valve

Wide range of end configurations

Nitto Kohki’s Standard CUPLA series
Nitto Kohki offers wide variety of CUPLA series for various applications.
Our expertise ensures the highest in quality available in the market.

HIGH QUALITY INDUSTRIAL AIR CUPLALEAK-FREE, HIGH-FLOW WATER AND
HYDRAULIC CUPLACORROSION-FREE PFA, PTFE CUPLAWIDE VARIETY OF MULTI-LINE
CONNECTION SYSTEM

Nitto Kohki’s Other Product Lines
ELECTRIC & HYDRAULIC MACHINE TOOLS,PNEUMATIC POWER TOOLSHIGH-PRECISION TORQUE-CONTROLELECTRIC SCREWDRIVERS

HIGH QUALITY AIR COMPRESSORS AND
VACUUM PUMPS
Visit

www.nittokohki.com
for more information !

NITTO KOHKI U.S.A., INC.

46 Chancellor Drive, Roselle, Illinois 60172, U.S.A.
Phone: +1-630-924-9393 / +1-630-924-8811
info@nittokohki.com
CUPLA : quickconnects@nittokohki.com
Tools and delvo : info@nittokohki.com
Pumps : info-pumps@nittokohki.com

ISO 9001

JQA-2025

ISO 14001
ISO 9001
ISO 14001JQA-EM4057
NITTO KOHKI CO., LTD.

[ trademark (CUPLA) ] isregistered in the United States.

© NITTO KOHKI U.S.A., INC.

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