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Bettis RTS FQ Fail-Safe Quarter-turn Electric Valve Actuator

A non-intrusive intelligent fail-safe quarter-turn actuator for ON/OFF and modulation control in fail-safe applications. The robust and compact mechanical spring return design can be triggered to fail-safe action either on loss of power or signal. With no dependency on super-capacitor or battery-backup, this state of the art design is widely used on valves for oil & gas, power, chemical, HVAC, and water and wastewater industries.

Key Features

  • Intelligent and non-intrusive
  • On/Off (S2/Class A/B) and Continuous modulation (S9/Class D)
  • Up to 2729 ft-lbs (3700 Nm) Electric torque
  • Mechanical driven fail-safe operation (fail Clockwise or Counter-Clockwise)
  • Direct coupling on the fail-safe with the valve shaft
  • Adjustable speed and torque
  • Fail-safe trigger selectable in case of drop-off 24 VDC fail-safe signal or main power supply
  • Position resolution 0.1%
  • SIL3 capable
  • Option De-clutchable handwheel
  • Rotatable in 90 degree steps control cover with remote mounting option
  • Local User Interface with wireless Bluetooth® control capability for configuration, monitoring and diagnostics
  • Optional PID control
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