Quarter-Turn Electrical Actuators
At SDTORK Controls Pvt. Ltd., we specialize in delivering advanced valve automation solutions designed to meet the needs of modern industries. Our Quarter-turn Electric Actuators are engineered for precision, reliability, and durability, making them the preferred choice for controlling rotary valves such as ball valves, butterfly valves, and HVAC dampers. Operating within a rotation range of 90°, these actuators are widely used across critical industries including energy, oil & gas, water treatment, chemical, and pharmaceuticals. Built with robust technology, SDTORK actuators ensure smooth, accurate, and dependable control of media flow in even the most demanding environments.
Configurations We Offer
• Standard Version – Ideal for basic applications requiring simple open/close functionality. Provides long-term performance with ease of use.
Key Advantages
✅ High precision & reliability – Stable and accurate flow control in every operation
✅ Flexible operation – Supports both on/off and modulating control modes
✅ Rugged design – Withstands harsh industrial conditions with ease
✅ Seamless integration – Compatible with modern automation and communication protocols
✅ Long service life – Engineered for continuous, trouble-free performance
With a focus on innovation, quality, and customer satisfaction, SDTORK Controls Pvt. Ltd. provides quarter-turn actuators that empower industries to achieve greater efficiency, safety, and process reliability.
SD-1001 Series
- Type: Weatherproof Stayput Quarter-Turn Electric Actuator (Single / Three Phase)
- Body Material: Aluminium Alloy
- Torque Output: 400 Nm / 500 Nm
- Motor Type: Squirrel Cage Induction Motor
- Duty Modes: On-Off / Inching / Modulating
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SD‑1001‑ECO Series - Single Quarter Turn Weatherproof Electrical Actuators
- Type: Weatherproof Quarter-Turn Electric Actuator (Single Phase)
- Body Material: Aluminium Alloy Die-Cast
- Torque Range: From 30 Nm up to 2000 Nm
- Motor Type: Reversible Induction Motor
- Duty Modes: On-Off / Inching / Modulating
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SD-2000 Series with Linear-to-Rotary Convertor
- Type: Weatherproof Linear-to-Rotary Electric Actuator (Single Phase)
- Torque Output: 40 Nm to 200 Nm
- Stroke Range: 32 mm to 60 mm
- Construction: Heavy-duty Aluminium Alloy Housing – Corrosion-resistant and durable
- Motor Type: Single Phase Synchronous Stall Duty Motor (Stayput Type)
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Multi-Turn Electric Actuators with Combination Of Worm Gearbox
- Type: Three-Phase Quarter-Turn Electric Actuator with Worm Gearbox
- Body Material: High-grade Aluminium Alloy / Cast Iron
- Torque Range: 30 Nm to 300,000 Nm
- Motor Type: Three-Phase Squirrel-Cage Induction Motor
- Duty Modes: On-Off / Inching / Modulating
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FSD-1001 Series – Single / Three Phase Quarter-Turn Flameproof Stayput Electrical Actuators
- Type: Flameproof (Ex d) Stayput Quarter-Turn Electric Actuator (Single / Three Phase)
- Body Material: Aluminium Alloy – strong, corrosion-resistant, and explosion-proof
- Torque Output: 300 Nm – 600 Nm
- Motor Type: Squirrel Cage Induction Motor – fully enclosed, high-torque, low-inertia design with thermal protection
- Duty Modes: On-Off / Inching / Modulating
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FSD-1001-Ex Series – Flameproof Quarter-Turn Electrical Actuators (Single / Three Phase)
- Type: Flameproof (Ex d) Stayput Quarter-Turn Electric Actuator (Single / Three Phase)
- Body Material: Marine-grade Aluminium Alloy Die-Cast – Corrosion-resistant and lightweight
- Torque Range: 30 Nm to 600 Nm
- Motor Type: Squirrel-Cage Induction Motor – Fully enclosed, high-torque, thermally protected
- Duty Modes: On-Off / Inching / Modulating
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FSD-12000 Flameproof Multi-Turn Electric Actuator with Worm Gearbox
- Actuator Type: Flameproof Multi-Turn Electric Actuator
- Model: FSD-12000
- Gearbox: Heavy-Duty Worm Gearbox
- Maximum Torque: Up to 300,000 Nm
- Body Material: High-Grade Cast Iron / Aluminium Alloy
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FSD-1001-Ew Series – Single / Three Phase Quarter-Turn Weatherproof Electrical Actuators
- Type: Weatherproof Quarter-Turn Electric Actuator (Single / Three Phase)
- Torque Output: 30 Nm to 600 Nm
- Body Material: Aluminium Alloy – Durable, corrosion-resistant construction
- Motor Type: Squirrel Cage Induction Motor – Fully enclosed with thermal protection
- Duty Modes: On-Off / Inching / Modulating
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SD-1000 Series (Dome Type)
- Type: Weatherproof Quarter-Turn Electrical Actuator (Single Phase)
- Body Material: Aluminium Alloy
- Torque Range: 30 Nm & 50 Nm
- Motor Type: Synchronous Stall-Duty
- Duty Modes: On-Off / Inching / Modulating
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SD-1001 Series .
- Type: Weatherproof Stayput Quarter-Turn Electric Actuator (Single / Three Phase)
- Body Material: Aluminium Alloy
- Torque Output: 60 Nm / 125 Nm / 250 Nm
- Motor Type: Induction Motor
- Duty Modes: On-Off / Inching / Modulating
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HQ Series Flameproof Electrical Actuator with Linear-to-Rotary Converter
- Type: Flameproof Linear-to-Rotary Electric Actuator (Single Phase – Stayput Type)
- Body Material: High-grade Aluminium Alloy Die-Cast – Corrosion-resistant & robust
- Torque Range: 40 Nm to 200 Nm (Model Dependent – HQ008 / HQ015)
- Motor Type: Single Phase Synchronous Stall Duty Motor
- Duty Modes: On-Off / Inching / Modulating

