Datasheet
C portC port D port
GC
GD
HSB + Stroke SA + Stroke
ZZ + 2 x Stroke
A port D port
W
θ
 W
θ
B port
BA
port
-XC12
Symbol
11
Tandem Cylinder
Specifi cations: Same as standard type
This is a cylinder produced with two air cylinders in line allowing double the output force.
When air pressure is supplied to ports 
and d , the output force is doubled in the 
out stroke.
Applicable Series
Series
Description
Model Action Note
CG1-Z
Standard type CG1
Double acting, Single rod
Except with air cushion
Tandem cylinder
How to Order
Standard model no.
XC12
Function
-XC13
Symbol
A cylinder on which a rail is mounted to enable auto switches, in addition to the standard method for mounting auto switches (Band mounting).
12
Auto Switch Rail Mounting
∗ Please contact SMC for long stroke (ø20: 201 
mm or more, ø25 to ø63: 301 mm or more) 
since SA-dimensions and ZZ-dimensions are 
different from those in the above table.
[mm]
Bore 
size
GC GD H SA SB Wθ ZZ
20
21  9 35 48  87 30° 172
25
21  9 40 48  87 30° 177
32
23  9 40 50  91 30° 183
40
25  9 50 56 100 20° 208
50
29 13 58 63 108 20° 241
63
28 12 58 64 117 20° 241
Applicable Series
Series Description Model Action Note
CG1-Z
Standard
type
CG1
Double acting, 
Single rod
Except trunnion type and basic (without
trunnion mounting female thread) “Z” type
Double rod
type
CG1W
Double acting, 
Double rod
Except trunnion type and basic (without
trunnion mounting female thread) “Z” type
Non-rotating 
rod type
CG1K
Double acting, 
Single rod
Except trunnion type and basic (without
trunnion mounting female thread) “Z” type
Direct mount 
type
CG1R
Double acting, 
Single rod
Except with air cushion
Applicable Auto Switches
Rail mounting 
Solid 
state
D-M9첸/M9첸V, D-M9첸W/M9첸WV, 
D-M9첸A/M9첸AV, 
D-F7첸, D-F7첸V, D-F7BA, D-F79F, D-F79W, 
D-F7첸WV, D-J79, D-J79C, D-J79W
Reed D-A7/A8, D-A7첸H/A80H, D-A73C/A80C, D-A79W
Auto switch 
specifi cations
Refer to the Auto Switch Guide for additional information 
on auto switches.
Rail mounting direction
XC13A
Mounted on the right side when viewed from 
the rod with the ports facing upward.
XC13B
Mounted on the left side when viewed from the rod.
How to Order
Standard model no.
XC13ACDG1
When air pressure is supplied to ports 
and d , the output force is doubled in the 
retract stroke.
Dimensions
 (Dimensions other than below are the same as standard type.)
59
Series CG1










