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S D T O R K

Flameproof Quarter-Turn Electric Actuator – FSD-1001-20 / 40 / 50

FSD-1001-20 / 40 / 50

FSD-1001-20 / 40 / 50

  • Industry Use: Oil & Gas, Chemical, Marine, Power, Water & Wastewater, HVAC, Steel, Cement
  • Rated Torque: 200 Nm / 400 Nm / 500 Nm
  • Operating Angle: 90° (Quarter-Turn)
  • Operating Time: 20 / 40 / 80 sec per 90° rotation
  • Protection Class: IP65 / IP67 (Flameproof Ex d IIB T4)
  • Duty Modes: On-Off / Inching / Modulating
  • Motor Type: Flameproof Squirrel-Cage Induction Motor
  • Mounting Standard: ISO 5211 – F07 / F10 (Max Ø28, Depth 35 mm)
  • Weight: Approx. 30 – 32 kg
  • Ambient Temperature: –20 °C to +70 °C
  • Supply Voltage: 1 Phase 230V / 110V ±10%, 50/60Hz / 3 Phase 380V / 415V ±10%
  • Paint: Standard RAL 5021
  • Paint: Standard RAL 5021 + Black

The FSD-1001-20 / 40 / 50 Series Flameproof Electrical Actuators from SDTORK are high-performance, heavy-duty solutions designed for precise and reliable valve automation in hazardous and industrial environments. These actuators are specifically engineered for quarter-turn applications such as butterfly valves, ball valves, plug valves, and dampers, delivering torque outputs up to 200 NM, 400 Nm, 500 Nm.

Built with a rugged flameproof enclosure compliant with international standards, the actuator ensures safe operation in explosive atmospheres by preventing internal ignition from propagating outside. The robust aluminum alloy housing provides excellent strength, corrosion resistance, and long service life even in marine and offshore conditions.

The actuator features a high-efficiency gear mechanism with self-locking capability, ensuring secure valve positioning even during power failure. Its induction motor with thermal protection delivers stable and reliable performance under varying load conditions.

Equipped with limit switches, torque protection, and position indication, the actuator ensures accurate control and protection of both valve and system. Optional integration with control systems enables seamless automation and remote operation

  • Reversible Starter Panel (Flameproof / Weatherproof)
  • anel Mounted Digital Servo Controller (4–20 mA Control)
  • Position Transmitter (4–20 mA Feedback)
  • Space Heater with Thermostat (Anti-Condensation)
  • Energy Sector: Turbine & plant control automation
  • Oil & Gas: Valve and damper automation in Ex zones
  • HVAC Systems: Fire and ventilation dampers in hazardous locations
  • Process Industries: Chemical mixing, pharmaceutical, and food safety zones
  • Marine & Offshore
  • Hazardous Area Applications