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. 849-7045
Mfr. Part No.CRB1BW50-90S
BrandSMC
PHP13,006.81
Each
units
CRB1 Double 50mm 90° 1MPa 1 MPa 1.5MPa - Rubber Bumper R 1/8 927.9g - -
RS Stock No. 885-2212
Mfr. Part No.CDRB2BW20-180SZ
BrandSMC
PHP10,709.85
Each
units
- Double 20mm 180° 0.7MPa 0.7 MPa 1.05MPa - - M3 x 0.5 130.6g - Standard
RS Stock No. 838-8910
Mfr. Part No.CDUJB6-8S
BrandSMC
PHP2,072.13
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
PHP42,067.20
Each
units
MSQ Single 20mm 190° - 1 MPa - - Shock Absorber M5 x 0.8 990g - -
RS Stock No. 796-7288
Mfr. Part No.CRB2BW20-90SZ
BrandSMC
PHP8,329.97
Each
units
CRB Double 20mm 90° - 0.7 MPa - - Rubber M5 x 0.8 280g - -
RS Stock No. 873-4726
Mfr. Part No.CDRB2BW15-90SZ
BrandSMC
PHP10,352.67
Each
units
- Single 15mm 90° - 0.7 MPa 1.05MPa 10 (Thrust) N, 15 (Radial) N Air M3 x 0.5 48.4g - Standard
RS Stock No. 838-9635
Mfr. Part No.MSQB1A
BrandSMC
PHP17,230.03
Each
units
MSQ Single 1mm 190° - 0.7 MPa - - Not Cushioned M3 x 0.5 75g - -
RS Stock No. 796-7307
Mfr. Part No.CRB2BW20-270SZ
BrandSMC
PHP8,329.97
Each
units
CRB Double 20mm 270° - 0.7 MPa - - Rubber M5 x 0.8 101g - -
RS Stock No. 849-7042
Mfr. Part No.CRB1BW50-90D
BrandSMC
PHP15,513.45
Each
units
CRB1 Double 50mm 90° 1MPa 1 MPa 1.5MPa - Rubber Bumper R 1/8 906g - -
RS Stock No. 873-4736
Mfr. Part No.CDRB2BW20-270SZ
BrandSMC
PHP10,709.85
Each
units
- Single 20mm 270° - 0.7 MPa 1.05MPa 20 (Thrust) N, 25 (Radial) N Air M5 x 0.8 147g - Standard
RS Stock No. 125-9920
Mfr. Part No.DRVS-16-90-P
BrandFesto
PHP7,561.23
Each
units
- Single 16mm 90° - 8 bar 8bar 10 (Axial) N, 15 (Radial) N Elastic M5 272g - Standard
RS Stock No. 302-5800
Mfr. Part No.CRB1BW50-180S-XF
BrandSMC
PHP13,270.71
Each
units
CRB1 - 50mm 180° - - 1MPa - Rubber G 1/8 790g - -
RS Stock No. 715-0773
Mfr. Part No.CDRB1BW50-180S
BrandSMC
PHP14,957.75
Each
units
CDRB1 - 50mm 180° - 9.9 bar 1MPa - Rubber Rc 1/8 790g - -
RS Stock No. 125-9927
Mfr. Part No.ERMO-16-ST-E
BrandFesto
PHP72,312.92
Each
units
- Single 16mm 1.8° - - - 600 (Axial) N, 750 (Radial) N Not Cushioned M16 900g - Standard
RS Stock No. 227-4449
Mfr. Part No.MSQB10A
BrandSMC
PHP32,174.13
Each
units
MSQ - 15mm 190° - - 1MPa - Rubber M5 x 0.8 530g - -
RS Stock No. 796-7278
Mfr. Part No.CRB2BW30-270SZ
BrandSMC
PHP8,416.08
Each
units
CRB Double 30mm 270° - 1 MPa - - Rubber M5 x 0.8 400g - -
RS Stock No. 873-2657
Mfr. Part No.CRB2BW10-270SZ
BrandSMC
PHP8,081.22
Each
units
- Single 10mm 270° - 0.7 MPa 1.05MPa 10 (Thrust) N, 15 (Radial) N Air M3 x 0.5 32g - Standard
RS Stock No. 890-3263
Mfr. Part No.CRB2BW10-270SZ
BrandSMC
PHP8,163.34
Each
units
- Single 10mm 270° - 0.7 MPa 1.05MPa 10 (Thrust) N, 15 (Radial) N Air M3 x 0.5 35g - Standard
RS Stock No. 796-7304
Mfr. Part No.CRB2BW10-180SZ
BrandSMC
PHP8,377.24
Each
units
CRB Double 10mm 180° - 0.7 MPa - - Rubber M3 x 0.8 26.7g - -
RS Stock No. 796-7284
Mfr. Part No.CRB2BW20-180SZ
BrandSMC
PHP8,329.97
Each
units
CRB Double 20mm 180° - 0.7 MPa - - Rubber M5 x 0.8 103g - -