Rotork 4P/4H Multi-turn actuator

The 4P/4H multi-turn actuators apply the reliable Planetary Torque Controls System (PTCS), fulfilling requirements in certain industries for actuators with a hydraulic or pneumatic supply in multi-turn applications with position and applied torque control.

4P pneumatic actuator: reversible vane motor including a wide range of supply pressures 2 to 7 bar4H hydraulic actuator: reversible vane motor including a wide range of supply pressures 30 to 120 barTorque from 450 Nm (332 lbf.ft) up to 200,000 Nm (147,556 lbf.ft) when combined with an external worm gearboxMulti-turn torque: 30 to 8,000 Nm (22 to 5,900 lbf.ft), combined with an external spur/bevel gearboxLinear thrust: 12 to 200 kN (2,697 to 44,961 lbf)PTCS patented planetary gearing system controlling the applied torque with high mechanical efficiency >95%Intrinsic mechanical torque limit protectionMechanical switch mechanism with a wide range of signalling optionsLockable manual operation: motor drive priorityModular design, covering actuator with standard configuration up to actuator with control panelsIP67/IP68, optional ATEXEnvironmental sealing. Optional double-sealed terminal compartment

Multi-turn actuator