Pneumatic Rotary Actuators

Pneumatic rotary actuators are types of devices that are operated by compressed air that produces a rotary motion via a shaft to control the speed and rotation of attached equipment.

An actuator receives and converts a source of energy and uses it to make something move or operate. Actuator types can be linear or rotary, meaning it cam move something in a circular spinning motion. When purchasing a rotary actuator things to considered include rotation angle, how much air is required for the task,  materials and interface.

Types of pneumatic rotary actuators:

Both designs are available as double action (air is supplied to both sides of the piston) or single action (air supplied to only one side).

  • Rack and pinion rotary actuators - this type of actuator has a better range of rotation and torque than the vane type and are usually larger in size and ideal for medium duty applications that need more speed.  They also have a longer lifespan then the vane type
  • Rotary vane actuators - these actuators are more limited in rotation than the rack types and often used for lighter loads.

How do pneumatic rotary actuators work?


Compressed air is connected into the pneumatic connection on the rotary actuator which drives a cylinder stroke into an oscillating rotary motion.

Where would you use a pneumatic rotary actuator?

These actuators are commonly used in industrial applications for conveying, clamping, transferring parts, positioning, and controlling valves and can be used in hazardous areas.


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Description Price Manufacturer Series Action Bore Rotary Angle Maximum Input Pressure Maximum Operating Pressure Absolute Maximum Pressure Force at 7 bar Cushioning Type Port Connection Weight Series Size Type
RS Stock No. 796-7304
Mfr. Part No.CRB2BW10-180SZ
BrandSMC
MYR729.03
Each
units
CRB Double 10mm 180° - 0.7 MPa - - Rubber M3 x 0.8 26.7g - -
RS Stock No. 838-9635
Mfr. Part No.MSQB1A
BrandSMC
MYR1,576.74
Each
units
MSQ Single 1mm 190° - 0.7 MPa - - Not Cushioned M3 x 0.5 75g - -
RS Stock No. 838-9604
Mfr. Part No.MKB12-10RZ
BrandSMC
MYR687.96
Each
units
MK Double 12mm 90° - 1 MPa 1.5MPa 56 (Clamp) N, 77 (Unclamp) N Rubber Bumper M5 x 0.8 128g - -
RS Stock No. 125-9928
Mfr. Part No.ERMO-25-ST-E
BrandFesto
MYR7,168.93
Each
units
- Single 25mm 1.8° - - - 700 (Axial) N, 1200 (Radial) N Not Cushioned M25 1.4kg - Standard
RS Stock No. 838-8910
Mfr. Part No.CDUJB6-8S
BrandSMC
MYR186.93
Each
units
CUJ Single 6mm - - 0.7 MPa 1.05MPa 10.99 (IN) N, 19.79 (OUT) N Not Cushioned M3 x 0.5 42.5g - -
RS Stock No. 838-9648
Mfr. Part No.MSQB20R
BrandSMC
MYR3,660.91
Each
units
MSQ Single 20mm 190° - 1 MPa - - Shock Absorber M5 x 0.8 990g - -
RS Stock No. 125-9929
Mfr. Part No.ERMO-32-ST-E
BrandFesto
MYR6,638.08
Each
units
- Single 32mm 1.8° - - - 800 (Axial) N, 2000 (Radial) N Not Cushioned M32 2.2kg - Standard
RS Stock No. 796-7278
Mfr. Part No.CRB2BW30-270SZ
BrandSMC
MYR759.24
Each
units
CRB Double 30mm 270° - 1 MPa - - Rubber M5 x 0.8 400g - -
RS Stock No. 849-7045
Mfr. Part No.CRB1BW50-90S
BrandSMC
MYR1,173.38
Each
units
CRB1 Double 50mm 90° 1MPa 1 MPa 1.5MPa - Rubber Bumper R 1/8 927.9g - -
RS Stock No. 227-4449
Mfr. Part No.MSQB10A
BrandSMC
MYR2,754.94
Each
units
MSQ - 15mm 190° - - 1MPa - Rubber M5 x 0.8 530g - -
RS Stock No. 302-5800
Mfr. Part No.CRB1BW50-180S-XF
BrandSMC
MYR1,197.19
Each
units
CRB1 - 50mm 180° - - 1MPa - Rubber G 1/8 790g - -
RS Stock No. 227-4461
Mfr. Part No.EMSQB30A
BrandSMC
MYR3,364.36
Each
units
MSQ - 21mm 190° - - 1MPa - Rubber M5 x 0.8, Rc 1/8 1.3kg - -
RS Stock No. 715-0770
Mfr. Part No.CDRB1BW50-90S
BrandSMC
MYR1,349.38
Each
units
CDRB1 - 50mm 90° - 9.9 bar 1MPa - Rubber Rc 1/8 810g - -
RS Stock No. 715-0786
Mfr. Part No.CDRB1BW80-180S
BrandSMC
MYR2,159.84
Each
units
CDRB1 - 80mm 180° - 9.9 bar 1MPa - Rubber Rc 1/4 2kg - -
RS Stock No. 121-5296
Mfr. Part No.DFPD-10-RP-90-RD-F03
BrandFesto
MYR431.12
Each
units
- Double - 90° 8bar 8 bar - - Not Cushioned - 965g DFPD Compact
RS Stock No. 700-6370
Mfr. Part No.EMSQB100A
BrandSMC
MYR4,998.64
Each
units
MSQ - 32mm 190° - - 1MPa - Rubber M5 x 0.8, Rc 1/8 4.1kg - -
RS Stock No. 136-6563
Mfr. Part No.DRVS-25-180-P
BrandFesto
MYR725.52
Each
units
DRVS Double 25mm 180° - 8 bar - 40 (Axial) N @ 6 bar, 60 (Radial) N @ 6 bar Elastic M5 494g DRVS Standard
RS Stock No. 121-5355
Mfr. Part No.DRRD-25-180-FH-PA
BrandFesto
MYR3,392.81
Each
units
-, DRRD Double - 180° 8bar 8 bar - 5.1 Nm @ 6 bar Elastic M5 1.3kg - Standard
RS Stock No. 175-4500
Mfr. Part No.DSR-16-180-P
BrandFesto
MYR1,695.80
Each
units
DSR Double 56.5mm 180° 2bar 8 bar - - - M5 310g DSR -
RS Stock No. 125-9919
Mfr. Part No.DRVS-6-180-P
BrandFesto
MYR668.87
Each
units
- Single 6mm 180° - 8 bar 8bar 25 (Axial) N, 30 (Radial) N Elastic M3 38g - Standard