FESTO - Quarter Turn Pneumatic Actuator
FESTO - Quarter Turn Pneumatic Actuator
Model: DAPS (Double Acting / Single Acting)

The quarter turn actuators DAPS are specially tailored to the requirements of the process industry. The torque is generated via a scotch yoke mechanism, which helps to overcome the valve's high breakaway torques. Given their robustness and graduated torques, the quarter turn actuators DAPS are predominantly used to control valves through which various media flow and whose angle of rotation is limited to 90°, e.g. ball valves and butterfly valves.

  • Compact design
  • Torque characteristics adapted to the process valves
  • For the same housing size, the single-acting drive has half the torque of the double-acting drive
  • Low wearing thanks to the simple and robust mechanical system
  • Adjustable swivel angle
  • Selected types in accordance with ATEX directive for potentially explosive atmospheres
  • Port pattern to NAMUR VDI/VDE 3845 for attaching solenoid valves 


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