CU Series Free Mount Pneumatic Cylinder

CU Series ‘free mount’ cylinders: ultimate for versatile, space-efficient actuation. Unparalleled installation flexibility: direct mounting (tapped/through-holes on multiple surfaces) often eliminates brackets, maximizing space. Compact; bores Ø6-Ø32mm+, strokes for light/medium tasks. Options like non-rotating rods. Integral bumpers ensure smooth, quiet, reliable operation. Radically simplifies design & assembly.


Technical Parameter


CU Series Free Mount Pneumatic Cylinder Ordering Code

Bore(mm) 6 mm 10 mm 16 mm 20 mm 25 mm 32 mm
Working Medium Air
Motion Pattern Double action/Single Action Extrusion type/Single Action Drawing-in Type
Ensured Pressure Resistance 1.0Mpa(10.5kgf/cm2)
Min. Opetating-pressure Single 0.2MPa 0.15MPa 0.13MPa
Double 0.12MPa 0.06MPa 0.05MPa
Max. Working-pressure 0.7Mpa(7.1kgf/cm2)
Ambient and Medium Temperature Without auto switch:110-70℃ (No freezing)
With auto switch:110-60℃ (No freezing)
Lubrication Non-lube
Piston Speed 50-500 mm/s
Cushion Rubber bumper
Rod end thread Male thread
Thread tolerance Class 2
Cushion Both ends buffer
Margin of Stroke Error(mm) 1
0mm
Precision of Piston rod with Non-rotating ±0.8° ±0.5°
Port Size M5×0.8 G1/8″

Dimension Drawing


CU Series Free Mount Pneumatic Cylinder Overall Dimensions

Bore size (mm) A A1 B C D E GA GB H K J L MM
6 7 13 22 3 7 15 10 13 17 10 M3×0.5
10 10 15 24 4 7 16.5 10 16 18 11 M4×0.7
16 11 12.5 20 32 6 7 16.5Note) 11.5 16 25 14 5 M5×0.8
20 12 14 26 40 8 9 19 12.5 19 30 16 6 M6×1.0
25 15.5 18 32 50 10 10 21.5 13 23 38 20 8 M8×1.25
32 19.5 22 40 62 12 11 23 12.5 27 48 24 10 M10×1.25

 

Bore size
(mm)
NN P Q QA R T Without Auto Switch With Auto Switch
S Z S Z
6 M3×0.5(depth) 5 3.2 7 6 (depth) 4.8 33 46 33 46
10 M3×0.5(depth) 5 3.2 9 6 (depth) 5 36 52 36 52
16 M4×0.7 (depth) 6 4.5 4 2 12 7.6 (depth) 6.5 30 46 40 56
20 M5×0.8(depth) 8 5.5 9 4.5 16 9.3 (depth) 8 36 55 46 65
25 M5×0.8(depth) 8 5.5 9 4.5 20 9.3 (depth) 9 40 63 50 73
32 M6×1.0(depth) 9 6.6 13.5 4.5 24 11 (depth) 11.5 42 69 52 79

 

CU Series Free Mount Pneumatic Cylinder Overall Dimensions

CU Series Free Mount Pneumatic Cylinder Overall Dimensions

Bore size(mm) A A1 B C D E GA GB H K J L MM NN P
6 7 13 22 3 7 15 10 13 17 10 M3×0.5 M3×0.5(depth) 5 3.2
10 10 15 24 4 7 16.5 10 16 18 11 M4×0.7 M3×0.5(depth) 5 3.2
16 11 12.5 20 32 6 7 16.5 11.5 16 25 14 5 M5×0.8 M4×0.7(depth) 6 4.5
20 12 14 26 40 8 9 19 12.5 19 30 16 6 M6×1.0 M5×0.8(depth) 8 5.5
25 15.5 18 32 50 10 10 21.5 13 23 38 20 8 M8×1.25 M5×0.8(depth) 8 5.5
32 19.5 22 40 62 12 11 23 12.5 27 48 24 10 M10×1.25 M6×1.0(depth) 9 6.6
Bore size
(mm)
Q QA R T V(Note) Without Auto Switch With Auto Switch
S Z S Z
5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st
6 7 6(depth) 4.8 38 43 48 56 66 76 38 43 48 56 66 76
10 9 6(depth) 5 41 46 56 62 72 87 41 46 56 62 72 87
16 4 2 12 7.6(depth) 6.5 3.5 45 50 60 66 76 91 45 50 60 66 76 91
20 9 4.5 16 9.3(depth) 8 5 41 46 56 65 75 90 51 56 66 75 85 100
25 9 4.5 20 9.3(depth) 9 5 45 50 60 73 83 98 55 60 70 83 93 108
32 13.5 4.5 24 11(depth) 11.5 5 47 52 62 79 89 104 57 62 72 89 99 114

Dimension Drawing


CU Series Free Mount Pneumatic Cylinder Overall Dimensions

Bore size (mm) A A1 B C D E GA GB H K J L MM
6 7 13 22 3 7 15 10 13 17 10 M3×0.5
10 10 15 24 4 7 16.5 10 16 18 11 M4×0.7
16 11 12.5 20 32 6 7 16.5Note) 11.5 16 25 14 5 M5×0.8
20 12 14 26 40 8 9 19 12.5 19 30 16 6 M6×1.0
25 15.5 18 32 50 10 10 21.5 13 23 38 20 8 M8×1.25
32 19.5 22 40 62 12 11 23 12.5 27 48 24 10 M10×1.25

 

Bore size
(mm)
NN P Q QA R T Without Auto Switch With Auto Switch
S Z S Z
6 M3×0.5(depth) 5 3.2 7 6 (depth) 4.8 33 46 33 46
10 M3×0.5(depth) 5 3.2 9 6 (depth) 5 36 52 36 52
16 M4×0.7 (depth) 6 4.5 4 2 12 7.6 (depth) 6.5 30 46 40 56
20 M5×0.8(depth) 8 5.5 9 4.5 16 9.3 (depth) 8 36 55 46 65
25 M5×0.8(depth) 8 5.5 9 4.5 20 9.3 (depth) 9 40 63 50 73
32 M6×1.0(depth) 9 6.6 13.5 4.5 24 11 (depth) 11.5 42 69 52 79

 

CU Series Free Mount Pneumatic Cylinder Overall Dimensions

CU Series Free Mount Pneumatic Cylinder Overall Dimensions

Bore size(mm) A A1 B C D E GA GB H K J L MM NN P
6 7 13 22 3 7 15 10 13 17 10 M3×0.5 M3×0.5(depth) 5 3.2
10 10 15 24 4 7 16.5 10 16 18 11 M4×0.7 M3×0.5(depth) 5 3.2
16 11 12.5 20 32 6 7 16.5 11.5 16 25 14 5 M5×0.8 M4×0.7(depth) 6 4.5
20 12 14 26 40 8 9 19 12.5 19 30 16 6 M6×1.0 M5×0.8(depth) 8 5.5
25 15.5 18 32 50 10 10 21.5 13 23 38 20 8 M8×1.25 M5×0.8(depth) 8 5.5
32 19.5 22 40 62 12 11 23 12.5 27 48 24 10 M10×1.25 M6×1.0(depth) 9 6.6
Bore size
(mm)
Q QA R T V(Note) Without Auto Switch With Auto Switch
S Z S Z
5st 10st 15st 5st 10st 15st 5st 10st 15st 5st 10st 15st
6 7 6(depth) 4.8 38 43 48 56 66 76 38 43 48 56 66 76
10 9 6(depth) 5 41 46 56 62 72 87 41 46 56 62 72 87
16 4 2 12 7.6(depth) 6.5 3.5 45 50 60 66 76 91 45 50 60 66 76 91
20 9 4.5 16 9.3(depth) 8 5 41 46 56 65 75 90 51 56 66 75 85 100
25 9 4.5 20 9.3(depth) 9 5 45 50 60 73 83 98 55 60 70 83 93 108
32 13.5 4.5 24 11(depth) 11.5 5 47 52 62 79 89 104 57 62 72 89 99 114
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