air Link clamp
Dual cylinder model Double acting 0.5 MPa

model

CLZAir link clamp Dual cylinder model
model CLZ25-FCLZ□ - □Air link clamp

Dual cylinder model

ａｉｒDoubleacting

Dual cylinder modelmodel

CLZ□-□

PAT.

Dual cylinder structure enables cylinder force upper than that of single cylinder's.

Air pressure

Dual cylinder structure

Pneumatic circuit diagram

5μm

Speed controller
model VCL (option)1

CLZ□ - □Air link clamp

Dual cylinder model

ａｉｒDoubleacting

Comparison with the current model

Air link clamp
Dual cylinder model

Air link clamp
Standard model&/=

&/;

Cylinder force： 590 N

Cylinder force

Cylinder force： 630 N（Air pressure 0.5MPa）

Equality（Air pressure 0.5MPa）

Flange area

2 sizesmaller

56

45

approx. 66 %5466

Less space

Height frommounting surface

39

54

2 sizesmaller

74

61

approx. 70 %2

CLZ□ - □Air link clamp

Dual cylinder model

ａｉｒSpecifications

Size

Clamp arm mounting direction

L : Left side

CLZ25

ー

F : Front side

R : Right side

indicates made to order.

CLZ25ModelN590mm

12Effective area (clamp)

mm21183

Full strokemm19Clamp strokemm

17.5

Stroke marginmm

1.5

Clamp

cm322.5

Unclampcm 320.3kg

0.34

N･m

4.0

Cylinder force（Air pressure 0.5 MPa）
Rod diameter

Cylinder capacity
Mass

Recommended tightening torque of mounting screws● Air pressure range：0.1〜0.5 MPa ● Proof pressure：0.75 MPa ● Operating temperature：0〜70 ℃● Fluid used：Air● Seals are resistant to chlorine-based cutting fluid.

：Supply the dry and filtered air. Particulate size 5μm or less is recommended.

3°3°

When clamping the workpiece, the clamp arm
should be situated l ike the sketch as shown
below. (Clamping point)
Please avoid any non-axial force such as thebending moment toward the piston rod.
(Allowable angle ±3 °)Clamping point

3Doubleacting

CLZ□ - □Air link clamp

Dual cylinder model

ａｉｒDouble
actingManifold piping and G port piping are available.

Manifold piping

G port piping

When choosing manifold piping, a speed controller

Dismount plugs when choosing G port piping. (O-ringmodel VCL is mountable on the G ports of the clamp.

must be used.) The one touch fitting or the speedcontroller with one touch fitting should be mounted
when choosing G port piping.

Plug

One touch ﬁtting
Air pressure(2 circuits)

O-ringAir pressure(2 circuits)

O-ringSpeed controller model VCL
Page →9
Speed controller
model VCL (option)

Air port

Speed controller
model VCL (option)

4

CLZ□ - □Air link clamp

Dual cylinder model

DoubleactingａｉｒPerformance diagram and Performance table

Clamp arm length LH(mm)Clamping force varies depending on the clamp arm length (LH) andair pressure (P).
Clamping force calculation formula
F ＝ Coefficient 1×P×1000/ (LH - Coefficient 2)
F：Clamping force

P：Air pressure

LH：Clamp arm length

Cylinder force(N)

Clamp arm length（LH）50 mm、at air pressure 0.5 MPa,

Clamping force F(N)Clamping force F＝17.03×0.5×1000/(50-16)＝250.44 N
Do not use the clamp in the nonusable range. It may cause damage

Air pressure P(MPa)of link mechanism.

model CLZ25

LH=26600

Nonusable range

LH=32500

model CLZ25Air
pressure

CylinderforceMPaN0.5

Clamping force

F=17.03×P×1000/(LH-16)

Clamping force

N

Clamp arm length LH

Min. arm
lengthMin. LHmm

80mm590

530 450 350 250 190 160 130320.4470

420 360 280 200 150 130 110

270.3350

500 320 270 210 150 110 9080240.2240

350 220 180 140 100 80

6050

240.1120

170 110 90

3030242632

3540506070

Clamping force (N)LH=35400
LH=40300
LH=50200

LH=60
LH=70
LH=80

100

000.1

0.20.3Air pressure (MPa)

50.4

70

50400.5
indicates nonusable rangeCLZ□ - □Air link clamp

Dual cylinder modelａｉｒDoubleacting

Clamp arm allowable eccentricity

Eccentric shape clamp arm

An eccentric shape clamp arm, as shown in diagramon right can be used with link clamp model CLZ, if it

Amount ofeccentricity

Ordinary clamp arm

LH

LH

Clamping point

Clamping point

is not possible to set clamping point at tip section ofclamp arm in alignment with center line of piston rod
and clamp arm.
Amount of eccentricity, however, must be within allowable eccentricity shown below.
Using a clamp arm that exceeds allowable eccentricity
results in significant eccentric load on link mechanismand piston rod, leading to malfunction.

model CLZ25

AirpressureMPa

26

indicates nonusable range

32

Allowable eccentricityｍｍ

Clamp arm length LH

mm

350.50.4

40

50

60

70

80

2

61013182361218

22

28

0.3

169132232

41

47

0.2

615

1927

41

53

60

60

0.1

24

32

35

40

5060

60

60

6CLZ□ - □Air link clamp

Dual cylinder model

ａｉｒDoubleactingDimensions

4R5

Clamping air port G1/8

4518

□34

14

20

7 -0.1-0.2

Clamp arm

3-ø5 f7

22.5

Unclamping air port G1/8

31.5

3.8 (plug projection depth)5456.40
ø9 -0.1

ø1686.9

10Clampstroke17.5

3- STW-5

ø14.4

111.5

111671°4-ø9.5

27

15°

52.5

ø12

31.5±0.1

48

23.5±0.05

5

16R02-O-ring P6(FKM-90)
33.5

4-ø5.5540
ø39 -0.2

031 -0.2

Clamp

Unclamp● This diagram represents external contour ofUnclamping air port

CLZ25-F, CLZ25-L and CLZ25-R differ only in terms
ofmounting direction of clamp arm and otherwise
all dimensions are identical to those of CLZ25-F.
F：Front side R：Right side18

L：Left side26Clamping air port

● Clamp arm and mounting screws are not included.
● Use a snap ring (STW-5) and a pin (ø5) when installing aclamp arm.

7

Air link clamp

Dual cylinder model

ａｉｒDoubleacting

Mounting details

26

182-Max. ø44-M5□ 34.5Max. ø39.5

C0Rz6.3

Clamp arm mounting details

45°

3134

11

16 ±0.1

C02.5 ±0.1

Manufacture a clamp arm with the dimensions shown in the table below.

4.5.8

ø5 H715
ø5 H7014 -0.2.5
R37 +0.20CLZ□ - □Recommended material：S45C (HB167〜229)

8VCL□ - □Speed controller

optionSpecifications: Meter-in

O : Meter-out

G port size

: Meter-in: G1/801

VCL

Secondary side

: G1/4

O : Meter-out
Secondary side

Locknut color：Black

VCL01-,Model

VCL01-O

VCL02-,
G1/4

2.8

6.2

Recommended tightening torque N･m715

Mass0.01

0.02

Orifice area

ｍm2kg

● Pressure range：0.1‒1.0 MPa● Proof pressure：1.5 MPa

Primary side

VCL02-OG1/8

G port size

Primary sideー02

Locknut color：SilverControl method● Operating temperature：0‒70 ℃● Fluid used：Air：Supply the dry and filtered air. Particulate size 5μm or less is recommended.

LocknutBody
8.6‒12.6

ø6.5

Adjustment knob

Nut width across ﬂats
7mm
Model

VCL01

VCL02

Y

G1/8

G1/4

ø VA

1419

VG

1317

øVA

O-ringAdjustment screw
number of turns

O-ring 1

M4×0.5
Speed adjustment screw
Y48 rotations
6.0×1.0 2

8.0×1.0 2

1：Fluorocarbon hardness Hs90
Body width across ﬂats
VG

1.52：Inner diameter × Thickness● Use a closed wrench or socket wrench for mounting and dismounting.
● Speed controller can be mounted on air port (G port) when using manifold piping.
● This diagram depicts mounted condition for meter-out (VCL□-O).
● VCL is shipped with the valve fully open. Adjust the flow rate by loosening the screw after it is tighted up to close
the valve. Tighten the locknut after adjustment is completed.

Applicable clamp
Model

VCL01

CTX32・CTX40
CTX32, CTX40
CTY25・CTY32・CTY40
CTY25, CTY32, CTY40
CLX32・CLX40
CLX32, CLX40
Air link clamp
Air link clamp
CLY32・CLY40
CLY32, CLY40
CLZ25：Air link clamp boost model CLY are meter-out only.
AirAirswingswingclampclamp：Air link clamp boost model CLY are meter-out only

9VCL02
CTX50・CTX63
CTX50, CTX63
CTY50・CTY63
CTY50, CTY63
CLX50, CLX63
CLX50・CLX63
CLY50, CLY63
CLY50・CLY63

VCL□ - □Speed controller

optionMounting detailsmm
B±0.05Air piping hole(secondary)
R0.2
Air piping hole (primary)

øHGY

øE

øD

øC

90°Range

øJ

(øF)

A

Rz6.3

Rz6.3

Rz6.3

0.5

Model

VCL01

VCL02

A913B

1418+0.1
011.6 +0.10øC

8.7

øD

9.9

13.3

øE

17.5

21.5

øF

68

G

8‒119‒12.5

øH

23

øJ

23

Y

G1/8

G1/4

Rz: ISO4287(1997)

Mounting & dismounting of speed controller● When mounting or dismounting a speed controller, be sure to set pressure within air circuit to 0 MPa
before starting.
● When mounting a speed controller, be sure to tighten it with the recommended tightening torque.

Speed controller
model VCL

10

Itami, Hyogo, Japan 664-8502
TEL. 072-777-3333 FAX. 072-777-3520

CERTIFICATE OF APPROVAL ISO9001

PA-689E-12023. 05

Specifications are subject to change without prior notice.