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Electrical Actuator Series SQ

90° part-turn actuators for the positioning and control operation of ball valves and butterfly valves, also for demanding environments

General specifications:

  • 40 Nm to 800 Nm in compact design, up to 10.000 Nm in combination with gearbox
  • Positioning operation with classes A and B (S4 - 30%), control operations with class III (S4 - 50%)*
  • Supply voltage 3ph, 1ph or DC, up to 690V, 50 or 60 Hz
  • 1 limit switch each for the end positions "Open" and "Close", 2 further limit switches for free assignment
  • From 200 Nm (SQ20): Torque cut-off for the "Open" and "Close" travel directions
  • Polyurethane coating C3 according to ISO 12944 (optionally -40°C to +70°C or 0°C to 90°C)
  • Control room heating
  • Mechanical position indicator
  • Emergency operation via handwheel
  • Self-locking gear
  • Positioning path up to 300° possible as an option
  • Also in ATEX version
  • Analogue position feedback and control INTEGRAL+, POSIGAM+ und INTELLI+ as option
  • Flanges according to ISO 5211 with removable plug-in socket

*Continuous control operation S4 - 100% SD series possible
Not all options can be combine with each other

Further information

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