• actuation

Hydraulic Actuators

A hydraulic actuator consists of a cylinder or fluid motor that uses hydraulic power to facilitate mechanical operation. The mechanical motion gives an output in terms of linear, rotary or oscillatory motion. Because liquids are nearly impossible to compress, a hydraulic actuator can exert considerable force. The hydraulic cylinder consists of a hollow cylindrical tube along which a piston can slide. The term single acting is used when the fluid pressure is applied to just one side of the piston. The piston can move in only one direction, a spring being frequently used to give the piston a return stroke. The term double acting is used when pressure is applied on each side of the piston; any difference in pressure between the two sides of the piston moves the piston to one side or the other.

  • Hydraulic Helical Valve Actuator
  • Electro-Hydraulic Operator Actuator
  • Hydraulic Scotch-Yoke Valve Actuators
  • Gas Hydraulic or High-Pressure Pipeline Pneumatic Valve Actuators
  • Hydraulic Emergency Shutdown System
  • Hydraulic Wellhead Protection
  • Subsea Actuator 

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