Pneumatic Valve Actuators

View Details 599-00434 | STEM ADAPTOR 3/8-24-OEM. | Siemens
599-00434 | STEM ADAPTOR 3/8-24-OEM. | Siemens
Brand: Siemens
SKU: 599-00434
$20.14 each
View Details 599-00435 | Stem Adaptor Kit for 8" Actuator | Siemens
$23.29 each
View Details V-3000-8012 | V-3000-8012; ACTUATOR;; V-3000-8012; ACTUATOR; VA | Johnson Controls
$75.90 each
View Details V-3801-8001 | ACTUATOR; PNEU OVAL RELEASE W/ PHASE II | Johnson Controls
$83.78 each
View Details V-3000-1 | PNEU VLV ACTUATOR; EXPOSED YOKE | Johnson Controls
$85.74 each
View Details V-3000-8003 | PNEU VLV ACTUATOR; ENCLOSED YOKE MED DUTY | Johnson Controls
$113.66 each
View Details V-3802-1 | ACTUATOR; OVAL TOP; 4 SQ IN; PNEUMATIC | Johnson Controls
$115.39 each
View Details D-4073-7 | DAMPER ACTUATOR; 3-7#SPRING W/AUX MTG BKT | Johnson Controls
$205.83 each

More About Pneumatic Valve Actuators

Pneumatic actuators are used to provide mechanical motion using compressed air. They consist of a piston, cylinder, and valves (or ports) and can convert applied energy into linear or rotary motion. They can either be single acting (spring) and double-acting, depending on the number of inlet ports that control the piston’s movement. Pneumatic actuators have diverse applications, including combustible engines, air compressors, railways, manufacturing, and aviation. 

Types of Pneumatic Actuators:

  • Rotary Actuators - the most basic type of pneumatic actuator, which uses standard rotational motion using compressed air. 
  • Tie-Rod Actuators - use high-strength threaded rods to support the cylinder barrel as pressure is delivered to the system to move the piston.
  • Gripper Actuators - finger-like objects that offer parallel or angular motion to transport objects.
  • Vacuum Actuators - attached components are delivered using compressed air into a usable vacuum, which can be used to provide suction.
  • Rodless Actuators - pistons are moved using a rack and pinion system instead of physical rods.

Pneumatic Actuator Important Considerations:

  • Actuation Features - the type of actuation action will also determine the failure mode in case of loss of hydraulic pressure.
  • Output Torque - the amount of rotational force applied to both electric and fluid actuators
  • Maximum Holding Force - the quality of linear actuators that describes the thrust
  • Maximum Speed - highest rotational speed delivered by powered actuators
  • Enclosure Protection Rating - NEMA or IEC-rated enclosures
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