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self_aligning_pneumatic_actuatorsAirpot stock self-aligning pneumatic actuators offer designers self-aligning rod capability along with extreme low friction and precise control of movement and force. This product group makes possible accurate force actuation and uniform motion with slow, smooth movement, even over distances less than 0.01 inch, or cycle rates at very high speeds up to 10 cps or more. There are a variety of rod connection choices available for easy, low friction mounting and alignment. The Airpot® self-aligning Pneumatic Actuator is the most compact of the Actuator line. It offers 6 bore sizes ranging from .22” to 1.75”, the lowest mass of all Airpot actuators and uses low friction ball joints or pin-links at both the piston and rod ends to allow the piston to self-align and reduce side loads.

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MODEL
2KS56P - Bore: .220" (5.59 mm)
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2KS95P - Bore: .366" (9.3 mm)
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2KS160P - Bore: .627" (15.93 mm)
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2KS240P - Bore: .945" (24 mm)
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2KS325P - Bore: 1.281" (32.5 mm)
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2KS444P - 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
MIN 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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