Melco Co.

Industrial Equipment & Engineering

Rotork – Noah – SR range spring-return electric actuator for emergency shutdown applications

Rotork- Noah - SR range spring-return electric actuator

Features:

  • Waterproof rating: IP67 (optional: IP 68 10 m depth / 72 hours or explosion-proof)
  • Power supply: 1-phase 110-230 VAC 50/60 Hz, 3-phase 380/440 VAC 50/60 Hz A:24 VDC)
  • Limit switch: Open: 1ea / Close: 1ea (250 VAC 15 A)
  • Duty cycle: S4 30%
  • Motor Protection: Thermal protection
  • Travel angle: 90o ± 5o
  • Indicator: Continuous position indicator
  • Manual operation: Automatic return type manual/electric changeover device
  • Self-locking: Prevention of reverse rotation by two-stage gear
  • Mechanical protection device: External adjustable screw
  • Heater: 20 W
  • Cable entries: 2-PF ¾” (Options: 2-M20 x Pitch 1.5, 2-NPT ¾”)
  • Lubricant: Shell Gadus S2 V220 2
  • Case material: Aluminium
  • Surface treatment: Anodising
  • Standard paint finish: Polyester (TGIC-free)
  • Torque range: 50-500 Nm depending on the model
  • Optional: integral controls / local control unit / proportional control unit / current position transmitter / potentiometer / speed controller