Cylinders
Cartridge Mount Pull
B
G
D
H
L
A
J
F
2X Q
C STROKE
2X P
E PISTON THREAD X DEPTH
K
N
M
ILS214001 REV F
NOTE: Return springs and anti-rotation pins included.
Anti-rotation pins intended for hand installation of bolt only. Do not torque bolt against anti-rotation pins.
M
OPTIONAL CYLINDER RETAINING RING
4X J (8X FOR DOUBLE ACTING) THREAD K
R
F-19
L
P
4X FOR SINGLE ACTING 8X FOR DOUBLE ACTING S THRU
F
H BOLT CIRCLE
Q THRU
Preferred Relief Detail Relief to be within Dimensions C & D
40
G
A .001
.145 .125
.025
64
C MIN
+.005 B -.000
D MAX
NOTE: Flexible honing/ ball honing of cavity is
SEE DETAIL B
2X
N MIN
30
strongly recommended.
DETAIL B SECTION A-A SCALE 2.000
32
R.030 MAX
ILS214002 REV G
E MAX (VENT ON S/A MODELS, FEED ON D/A MODELS)
Cavity Dimensions Model No.* Cap. (lbs)
A B C D E F **
G **
H **
J **
K **
L ***
M ***
N *** P Q R S
Bolt Torque
Optional Retainer Ring
Single Acting (S/A)
Cylinders actuated hydraulically in one direction, spring returned.
21-4106-00 21-4106-01 21-4109-00 21-4109-01
980 0.813 1.120 0.44 0.72 0.16 1.43 0.31 1.13 8-32 UNC 0.33 0.125 0.44 0.31 1.395 0.50 0.125 0.173 29 in.-lbs. 64-0140-80
1.120 1.245
0.72 0.18 1.86 0.31 1.56 8-32 UNC 0.33 0.125 0.53 0.40 1.832 0.75 0.125 0.173 29 in.-lbs. 64-0141-10
2,000 1.188
0.44
0.84
21-4111-00 2,950 1.313 1.245 0.44 0.84 0.18 2.15 0.41 1.75 1/4-20 UNC 0.38 0.156 0.56 0.40 2.125 0.75 0.125 0.257 63 in.-lbs. 64-0141-30 21-4111-01 21-4113-00 5,200 1.751 1.370 0.44 0.97 0.33 2.83 0.53 2.31 5/16-18 UNC 0.47 0.156 0.88 0.40 2.782 1.00 0.187 0.328 20 ft.-lbs. 64-0141-70 21-4113-01 21-4116-00 9,000 2.126 1.495 0.44 1.09 0.35 3.40 0.67 2.81 3/8-16 UNC 0.50 0.281 1.00 0.60 3.375 1.12 0.250 0.391 24 ft.-lbs. 64-0142-10 21-4116-01 21-4121-00 17,1002.876 1.620 0.44 1.22 0.40 4.59 0.90 3.81 1/2-13 UNC 0.63 0.281 1.57 0.60 4.563 1.25 0.375 0.515 62 ft.-lbs. 64-0142-80 Double Acting (D/A) Cylinders actuated hydraulically in both directions. 21-4106-11 980 0.813 1.342 0.44 1.00 0.16 1.43 0.44 1.13 8-32 UNC 0.33 0.125 0.44 0.42 1.395 0.50 0.250 0.173 29 in.-lbs. 64-0140-81 21-4106-21 1.592 1.25 0.64 21-4109-11 2,000 1.188 1.402 0.44 1.00 0.18 1.86 0.44 1.56 8-32 UNC 0.33 0.125 0.53 0.64 1.832 0.75 0.250 0.173 29 in.-lbs. 64-0141-11 21-4109-21 1.990 1.58 0.78 21-4111-11 2,950 1.313 1.477 0.44 1.07 0.18 2.15 0.54 1.75 1/4-20 UNC 0.38 0.156 0.56 0.64 2.125 0.75 0.250 0.257 63 in.-lbs. 64-0141-31 21-4111-21 2.050 1.64 0.78 21-4113-11 5,200 1.751 1.602 0.44 1.20 0.33 2.83 0.66 2.31 5/16-18 UNC 0.47 0.156 0.88 0.64 2.782 1.00 0.250 0.328 20 ft.-lbs. 64-0141-71 21-4113-21 2.140 1.74 0.78 * Lubricate O-Rings with grease prior to installation. ** This cavity uses the optional retaining ring available from Vektek. These features are for use with the retaining ring. *** These features are only needed if anti-rotation pins are used. Anti-rotation pins and return springs are included with the cylinders. **** Thicker retainers (models ending with “1”) are required for Double Acting Cylinders. Double Acting Cylinders being used in Single Acting Applications can use the Single Acting Retainers (Models Ending With “0”).
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