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Self-aligning rod capability distinguishes Airpots’s series of custom Self-Aligning Pneumatic Actuators. The use of low friction ball joints at the piston and rod end creates a self-aligning capability for the piston reducing side loads and assuring greater life.  Piston rod configurations as well as stroke, mounting length, protective case and other non-standard parts and designs are available in this series. Custom Self-Aligning Pneumatic Actuators make accurate force actuation and uniform motion with slow, smooth movement possible, even over distances less than 0.01 inch, or cycle rates at very high speeds up to 10 cps or more. Click here to see a comparison of Stock vs. Custom Actuators.

MODEL
2K56P - Bore: .220" (5.59 mm)
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2K95P - Bore: .366" (9.3 mm)
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2K160P - Bore: .627" (15.93 mm)
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2K240P - Bore: .945" (24 mm)
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2K325P - Bore: 1.281" (32.5 mm)
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2K444P - Bore: 1.750" (44.4 mm)
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BORE (inches) 0.22 0.366 0.627 0.945 1.281 1.75
PISTON AREA (sq. inches) 0.038 0.105 0.309 0.701 1.289 2.405
PRESSURE RANGE: FULL VACUUM TO (PSI) 125 100 100 100 100 100
FORCE OUTPUT AT MAX PRESSURE (lbs) 4.75 10.5 30.9 70.1 128.8 240.1
MINIMUM PRESSURE DIFFERENTIAL REQD FOR ACTUATION (PSI) 0.05 0.05 0.05 0.05 0.05 0.05
*MAX LEAK SL/min
At Reference pressure PSI=
.190
65
.36
50
.74
50
1.06
50
2.12
50
3.6
50
*MAX LEAK RATE: SL / min
At Reference pressure PSI=
.570
125
1.17
100
2.78
100
5.60
100
9.6
100
15.0
100
FRICTION COEFFICIENT (approx.) Static and dynamic 0.2 0.2 0.2 0.2 0.2 0.2
PISTON FRICTION AS % OF LOAD (without side load) .5% - 1.5% .5% - 1.5% .5% - 1.5% .5% - 1.5% .5% - 1.5% .5% - 1.5%
OPERATING TEMPERATURE RANGE *NOTE: If operating at temperatures over 70 degrees C (158 degrees F) please advise factory -55C to +150C -55C to +150C -55C to +150C -55C to +150C -55C to +150C -55C to +150C
COMPONENT WEIGHT: Fixed mass in grams (cylinder, bottom, etc.) =(C1 x Stroke) + C2
C1 = 1.2 C2 = 6.4
C1 = 2.9 C2 = 8.9
C1 = 6.1 C2 = 13.6
C1 = 11.5 C2 = 40.6
C1 = 17.5
C2 = 60.3
C1 = 25.7
C2 = 82.1
COMPONENT WEIGHT: Movable mass in grams (piston and rod) =(C3 x Stroke) + C4
C3 = .2 C4 = 1.4
C3 = .4 C4 = 2.8
C3 = .4 C4 = 4.3
C3 = 1.3 C4 = 8.3
C3 = 6.3
C4 = 13.6
C3 = 6.3
C4 = 31.6

* Lower leak rates may be available upon request.

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