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. 715-0777
Mfr. Part No.CDRB1BW50-270S
BrandSMC
$388.50
Each
units
CDRB1 - 50mm 270° - 9.9 bar 1MPa - Rubber Rc 1/8 770g - -
RS Stock No. 125-9929
Mfr. Part No.ERMO-32-ST-E
BrandFesto
$2,362.89
Each
units
- Single 32mm 1.8° - - - 800 (Axial) N, 2000 (Radial) N Not Cushioned M32 2.2kg - Standard
RS Stock No. 125-9919
Mfr. Part No.DRVS-6-180-P
BrandFesto
$286.57
Each
units
- Single 6mm 180° - 8 bar 8bar 25 (Axial) N, 30 (Radial) N Elastic M3 38g - Standard
RS Stock No. 203-9560
Mfr. Part No.DHTG-65-24-A
BrandFesto
$4,098.80
Each
units
DHTG-65-24-A Double - <= 0.03° 8bar - - - - - - - -
RS Stock No. 796-7307
Mfr. Part No.CRB2BW20-270SZ
BrandSMC
$244.50
Each
units
CRB Double 20mm 270° - 0.7 MPa - - Rubber M5 x 0.8 101g - -
RS Stock No. 227-4449
Mfr. Part No.MSQB10A
BrandSMC
$896.42
Each
units
MSQ - 15mm 190° - - 1MPa - Rubber M5 x 0.8 530g - -
RS Stock No. 890-3263
Mfr. Part No.CRB2BW10-270SZ
BrandSMC
$241.06
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. 196-1182
Mfr. Part No.CRB2BW40-270SZ
BrandSMC
$343.84
Each
units
CRB2 Double 40mm 270° - 1 MPa 1MPa - Rubber Bumper M5 x 0.8 363g - -
RS Stock No. 302-5800
Mfr. Part No.CRB1BW50-180S-XF
BrandSMC
$401.02
Each
units
CRB1 - 50mm 180° - - 1MPa - Rubber G 1/8 790g - -
RS Stock No. 203-9594
Mfr. Part No.DHTG-65-8-A
BrandFesto
$3,924.81
Each
units
DHTG-65-8-A Double - <= 0.03° 8bar - - - - - - - -
RS Stock No. 121-5302
Mfr. Part No.DFPD-120-RP-90-RS30-F0507
BrandFesto
$555.69
Each
units
- Single - 90° 8bar 8 bar - - Not Cushioned - 5422g DFPD Compact
RS Stock No. 796-7278
Mfr. Part No.CRB2BW30-270SZ
BrandSMC
$247.05
Each
units
CRB Double 30mm 270° - 1 MPa - - Rubber M5 x 0.8 400g - -
RS Stock No. 175-4502
Mfr. Part No.DSR-32-180-P
BrandFesto
$895.66
Each
units
DSR Double 92mm 180° 1.5bar 8 bar - - - G 1/8 1.3kg DSR -
RS Stock No. 121-5336
Mfr. Part No.DFPD-40-RP-90-RS30-F0507
BrandFesto
$316.15
Each
units
- Single - 90° 8bar 8 bar - - Not Cushioned - 2087g DFPD Compact
RS Stock No. 885-2228
Mfr. Part No.CDRB2BW30-90SZ
BrandSMC
$314.75
Each
units
- Double 30mm 90° 1MPa 1 MPa 1.5MPa - - M5 x 0.8 198.7g - Standard
RS Stock No. 203-9514
Mfr. Part No.DFPD-240-RP-90-RS60-F0710
BrandFesto
$802.90
Each
units
DFPD-240-RP-90-RS60-F0710 Single - 90° 8bar - - - - - - - -
RS Stock No. 203-9595
Mfr. Part No.DHTG-90-2-A
BrandFesto
$4,658.96
Each
units
DHTG-90-2-A Double - <= 0.03° 8bar - - - - - - - -
RS Stock No. 136-6559
Mfr. Part No.DRVS-12-90-P
BrandFesto
$275.57
Each
units
DRVS Double 12mm 90° - 8 bar - 20 (Axial) N @ 6 bar, 25 (Radial) N @ 6 bar Elastic M5 154g DRVS Standard
RS Stock No. 203-9587
Mfr. Part No.DHTG-140-12-A
BrandFesto
$7,379.88
Each
units
DHTG-140-12-A Single - <= 0.03° 8bar - - - - - - - -
RS Stock No. 838-9648
Mfr. Part No.MSQB20R
BrandSMC
$1,191.22
Each
units
MSQ Single 20mm 190° - 1 MPa - - Shock Absorber M5 x 0.8 990g - -