Linear Hydraulic Actuators

Linear Hydraulic Actuators

Our H & HDH series are piston operated valve actuators that use hydraulic pressure or high pressure gas to provide the force required to open, close and control rising stem valves.

Performance Highlights

  • Our H series actuator is ideal for control valves especially when it incorporates the ATI hydraulic positioning system.
  • Our HDH series actuator has been effectively used for on/off applications such as steam blow applications that require very fast opening speeds.
  • The adaptable nature of our design allows you to automate valves in place without shutting the plant down.
Linear Pneumatic Actuator Linear Pneumatic Actuator
Steam blow that requires a 19" gate to move in three seconds. (ATI power system in background.)
Spring Return

Spring Return

To provide proper failure position, ATI spring cartridges allow for fail open or fail closed valve applications.

The spring return units provide a very compact design.

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Standard Specifications

  • 2" thru 16"Bore Size
  • 1" thru 32"Stroke
  • 3000 psi
    5000 psi
    Maximum Working Pressure
    Maximum Capability Pressure
  • 4500 psiStatic Pressure Test
  • 500 lbs to 50,000 lbsThrust
  • Standard -40°F to 200° F
    Low Temp -65°F to 200° F
    High Temp -20°F to 400° F
    Temperature Range

* Larger bore sizes, longer strokes and higher pressure are available.


Spring Return

Double Acting

Due to the high pressures that our hydraulic actuators accomodate, we can maximize the thrust and minimize the size of each unit.

LAUNCH HDH DA THRUST CHART

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Standard Specifications

  • 2" thru 16"Bore Size
  • 1" thru 50"Stroke
  • 3000 psi
    5000 psi
    Maximum Working Pressure
    Maximum Capability Pressure
  • 4500 psiStatic Pressure Test
  • 3000 lbs to 573,027 lbsThrust
  • Standard -40°F to 200° F
    Low Temp -65°F to 200° F
    High Temp -20°F to 400° F
    Temperature Range

* Larger bore sizes, longer strokes and higher pressure are available.