Cylinders
Cartridge Mount Push/Pull
Double Acting Easy to use, thread-in Push/Pull cartridge cylinders in six capacities. Convert to single acting by installing the included return spring. Threaded Push/Pull design eliminates the need for additional retention. Short strokes specifically designed for use with bolt-down clamping elements. 360° oil feed location simplifies oil passages.
Cylinder Capacity*
Min. Length
Effective Piston Area (sq. in.) Extend Retract
Oil Capacity (cu. in.)
Model No.
Plunger Thread***
F-16
Stroke**
Extend Retract
Extend Retract
Double Acting (D/A)
Cylinders, actuated hydraulically both directions.****
21-0206-00 21-0206-01 21-0209-00 21-0209-01 21-0210-00 21-0210-01 21-0213-00 21-0213-01 21-0216-00 21-0216-01
6-32 8-32 8-32
1,500
980
0.25
1.44
0.31
0.20
0.08
0.05
2,900
2,000
0.25
1.44
0.60
0.40
0.15
0.10
1/4-20 1/4-20 5/16-18 3/8-16 1/2-13 1/2-13 5/8-11 5/8-11
3,900
2,950
0.25
1.59
0.79
0.59
0.20
0.15
1.59 1.66 1.88 2.13 2.13
7,400
5,200
0.25
1.48
1.04
0.37
0.26
12,000
9,000
0.38
2.41
1.80
0.90
0.68
21-0221-00 22,000
17,100
0.38
4.43
3.44
1.66
1.29
* Cylinder capacities are listed at 5,000 PSI maximum operating pressure. The minimum operating pressure is 500 psi for D/A and 750 psi for S/A operation. The cylinder force is adjustable by varying the hydraulic pressure to the cylinder. To determine approximate output of the cylinder for your application, divide the cylinder capacity shown in the table by 5,000 PSI and multiply the resultant by your system pressure in PSI to obtain the approximate cylinder force for your application. (Actual force may vary slightly due to friction loss, seal and wiper drag and/or return springs.) ** Cylinder stroke may exceed stroke of the clamping element. Limiting cylinder stroke may be required to ensure proper operation of clamping element. *** At full cylinder capacity, fastener life will be limited, should be considered service item and replaced frequently to avoid plunger damage. Models 21-0206-00, 21-0209-00, 21-0210-00 and 21-0213-00 not recommended for use above 2,500 psi. **** Install included return spring for single acting operation. Return spring and anti-rotation pins included with cylinder.
Dimensions Model No.*
A B C D E
FG H JKLMNPQR S
Double Acting (D/A)
Cylinders, actuated hydraulically both directions.
21-0206-00 21-0206-01 21-0209-00 21-0209-01 21-0210-00 21-0210-01 21-0213-00 21-0213-01 21-0216-00 21-0216-01
6-32 x 0.21 8-32 x 0.25 8-32 x 0.33 1/4-20 x 0.38 1/4-20 x 0.38 5/16-18 x 0.47 3/8-16 x 0.50 1/2-13 x 0.50 1/2-13 x 0.50
1.25 1.69 0.25 1.13
0.38 0.25 1-16 UN 0.13 0.50 0.81 0.72 0.08 0.66 0.28 0.09 0.22
1.63 1.69 0.25 1.13
0.50 0.25 1 5/16-16 UN 0.19 0.63 1.19 1.10 0.08 0.66 0.31 0.09 0.27
1.75 1.84 0.25 1.19
0.50 0.31 1 1/2-16 UN 0.19 0.63 1.31 1.22 0.08 0.66 0.31 0.13 0.28
1.84 1.91 2.31 2.50
2.13
0.25 1.19
0.75 0.31 1 7/8-16 UN 0.19 0.81 1.75 1.66 0.08 0.66 0.53 0.13 0.44
2.63
0.38 1.31
0.88 0.44 2 3/8-16 UN 0.26 1.00 2.12 2.00 0.08 0.78 0.64 0.25 0.50
5/8-11 x 0.63 21-0221-00 3.38 2.70 0.38 1.69 5/8-11 x 0.63 1.13 0.44 3 1/8-16 UN 0.26 1.38 2.88 2.79 0.16 0.99 0.78 0.25 0.79
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