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rotork罗托克流体动力执行器 4P/4H系列执行器
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 bar
4H hydraulic actuator: reversible vane motor including a wide range of supply pressures 30 to 120 bar
Torque from 450 Nm (332 lbf.ft) up to 200,000 Nm (147,556 lbf.ft) when combined with an external worm gearbox
Multi-turn torque: 30 to 8,000 Nm (22 to 5,900 lbf.ft), combined with an external spur/bevel gearbox
Linear 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 protection
Mechanical switch mechanism with a wide range of signalling options
Lockable manual operation: motor drive priority
Modular design, covering actuator with standard configuration up to actuator with control panels
IP67/IP68, optional ATEX
Environmental sealing. Optional double-sealed terminal compartment
