For High PressureSpecifications
Stainless steel (SUS304)

Body material

1/4", 3/8", 1/2", 3/4", 1"

Size (Thread)

S210 Cupla
Stainless steel Cupla for high pressure up to 20.6 MPa {210 kgf/cm2}
Working pressure

Valve structure

Applicable fluids

MPakgf/cm2

barPSI

Working pressure

20.6

210

2062990

Mark

Working
temperature range

Remarks

Seal material
Working temperature range

Seal material

Fluoro rubber

FKM (X-100) -20˚C to +180˚C Standard material

Nitrile rubber

NBR (SG)-20˚C to +80˚C Made-to-order item• The product comes with a dust cap.

Max. Tightening Torque

20.6
20.6 MPa{210 kgf/cm2}

Pressure unit

Nm {kgf • cm}

Size (Thread)Two-way shut-off

Water

Hydraulic oil

Gas

Stainless steel for excellent corrosion
resistance!
The unique “inner seal mechanism”
accepts a working pressure up to20.6 MPa.
• Body material is excellent corrosion resistant stainless steel (SUS304).
Suited for use in tough conditions such as ocean development.
• Although it is made of stainless steel, the unique “inner seal mechanism” enables
the working pressure of 20.6 MPa {210 kgf/cm2}, the same as special steel’s.
• Safety lock (accidental disconnection prevention mechanism) ensures tightand secured connection under vibration or impacts.
• Both socket and plug have built-in automatic shut-off valves that prevent fluid
outflow on disconnection. Easy to handle.

Torque

1"

3/4"

1/4"

3/8"

1/2"

28 {286}

35 {357}

70 {714}100 {1020} 180 {1836}

Flow Direction
Fluid flow can be bi-directional when socket and plug are connected.

Interchangeability
Different sizes are not interchangeable.
(mm2)

Min. Cross-Sectional Area
Model

S210-2SPS210-3SP

S210-4SP

S210-6SP

S210-8SP

244784153233

Min. cross-sectional area

1.3 Pa {1 x 10-2 mmHg}

Suitability for Vacuum
Socket only

Plug only

When connected--Operational( mL)

Admixture of Air on Connection May vary depending upon the usage conditions.
Model

S210-2SP

S210-3SP

S210-4SP

S210-6SP

S210-8SP

0.8

1.6

3.2

6.3

14.3

Volume of air

Flow Rate – Pressure Loss Characteristics[Test conditions]• Fluid : Hydraulic oil • Temperature : 30˚C 5˚C• Fluid viscosity : 32 x 10-6 m2/s • Density : 0.87 x 103 kg/m3
S210-2SP

S210-3SP

S210-4SP

S210-6SP

0.5{5}

Both socket and plug have built-in
automatic shut-off valves

Pressure loss in MPa {kgf/cm2}

0.3{3}

0.1{1}

S210-8SP0.05{0.5}
0.03{0.3}

0.01{0.1}
135

Flow rate in L/min
Stainless steel (SUS304) bodyfor excellent corrosion resistance

Safety lock prevents accidental
disconnection of socket and plug

Various end configurations

89

1030

50

100300S210 Cupla
Models and Dimensions

Plug

WAF : WAF stands for width across flats.

Female thread

SocketFemale thread

TDDT

CH

H

L

L

Model

Application

Mass (g)S210-2P
S210-3P
S210-4P
S210-6P
S210-8P

R 1/4
R 3/8
R 1/2
R 3/4
R1

74
127
239
446
939

Dimensions (mm)

L
50.5
59
70.5
81.5
100

C
20
2428
35.5
47.5

øD
2228
35
44
58

H(WAF)
1924
30
38
50

T
Rc 1/4Rc 3/8Rc 1/2
Rc 3/4
Rc 1

How to operate the Safety Lock

Model

Application

Mass (g)S210-2S
S210-3S
S210-4S
S210-6S
S210-8S

R 1/4
R 3/8
R 1/2
R 3/4
R1

137
226406710
1,381

Dimensions (mm)L(59)(68.5)(81)(97.5)
(118)

øD27
32
39.7
48
62

H(WAF)
1924
30
38
50

T
Rc 1/4Rc 3/8Rc 1/2
Rc 3/4
Rc 1

Application Example

How to lock
PlugSleeve

B

Lock Ring

A
Connected state (before lock)B

SocketStopper

Slide the Lock Ring in the direction of the arrow A and rotate it in either
direction simultaneously. When the Stopper is aligned with the shallow
cutout on the Lock Ring, the Cupla will be locked.

How to unlock
PlugSleeve

Connected state (locked)

B

B

Lock RingSocketAStopper

Slide the Lock Ring in the direction of the arrow A and rotate it in either
direction simultaneously. When the Stopper is aligned with the deeper
cutout on the Lock Ring, the Cupla will be unlocked.

Ocean development

Before use, please be sure to read “Safety Guide” described at the end of this book and “Instruction Sheet” that comes with the products.

90