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  • When to Select an Electric or Pneumatic Rotary Actuator with Quarter Turn Valves
    Pneumatic and Electric Actuators each have advantages and disadvantages. The criteria in determining which is the best actuator includes the power source, on/off or modulating control valve function, media, hazard considerations, ambient temperature, environmental conditions, failure positon upon
  • What is the Difference between a Rotary and a Linear Actuator?
    Actuators can be classified into two types based on their motion. Two primary actuator types are rotary and linear. Rotary actuators will turn something a number of degrees in a circle â€" it might be a limited number or an infinite number. Linear actuators, in essence, move something along
  • What is a Rotary Electric Actuator and How Does it Operate on MultiTurn Valves
    The newest addition to Asahi/America 's Series 19 actuation product line is the MultiPack (R) rotary electric actuator. The Series 19 MultiPack (R) is specifically designed for multiturn and non-rising stem valves such as Asahi 's type-14 diaphragm and gate valves.
  • The History of the Rotary Solenoid
    solenoid switching proved to be reliable and long lasting, with an operating life of up to fifty million cycles. It also proved to be very fast, which led to another application: Camera shutters. The controlled high-speed actuators remain useful in imaging applications. Rotary solenoids became a standard
  • Actuator Tips
    Stepper motors are commonly used to translate motion from rotary to linear. Selecting the right combination of electrical and mechanical components is complicated by the various options for precision positioning systems. This brief will review key criteria for successful stepper linear actuator
  • Bistable Rotary Solenoids in Shutter Applications
    Geeplus offers small bistable rotary solenoids and actuators in several types, suited to actuation of small shutter mechanisms. These typically require rotation of a small 'flag ' to block or pass a light beam, or of a small mirror to deflect a light beam down another path. These miniature rotary
  • Stepper Linear Actuators Simplified
    What is a "linear actuator"? It is actually a simple stepper motor with a built-in leadscrew to directly convert rotary motion in form of discrete steps, into linear motion. Achieving linear motion internal to the motor eliminates the cost of designing a separate transmission mechanism
  • Smart Actuators - The Intelligent Choice
    Modern cars contain more than 130 motors to control everything from HVAC systems, coolant and refrigerant valves, headlights and seat adjustments to grille shutters, vehicle security and trunks. Most automotive actuators are comprised of an electric motor and gearbox assembly packaged in a housing

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