Shafer RV-Series Rotary Vane Valve Actuators

Operating valves in critical pipeline applications

Product Features

  • Life expectancy is 50 years with minimal maintenance
  • Proven reliability backed by a 10 year warranty
  • The most compact actuator available
  • The double vane design will not generate any side loading forces on the valve stem or actuator bearings
  • Constant torque output over the full 90° rotation
  • Vibration resistant with the actuator body centered directly over the valve stem and weight equally distributed over the valve flange
  • Maximum rated pressure and maximum operating pressure are equal
  • Valve response is always smooth and always dependable


  • Torque output range: 1,000 lbf-in to 17.8 million lbf-in (113 Nm to 2.0 million Nm)
  • Power supply pressure range: 200 psi (13.8 bar) minimum, up to 3,000 psi (206.8 bar) on various models
  • Ambient temperature range:
    • -20°F to 250°F (-29°C to 121°C) Standard
    • -50°F to 250°F (-46°C to 121°C) Optional
    • -76°F to 250°F (-60°C to 121°C) Consult Factory


  • Full open/close operation of ball valves and plug valves
  • Automation of valves on natural gas pipelines
  • High-vibration applications
  • Valve automation for crude oil or refined products pipelines
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