Multi-Turn Electric Actuators with Combination Of Worm Gearbox
SD-3001 / SD-3000 / SD-3002 + Worm Gearbox Series
The SDTORK HEDINGI Worm Gearbox Series combines the proven reliability of the SD-3000 actuator platform with the strength and precision of high-efficiency worm gear technology.
Engineered for heavy-duty valve automation, this series delivers exceptional torque output, precise control, and robust performance — even in the harshest industrial conditions.
From power plants to process industries, the HEDINGI Series provides smooth, efficient, and maintenance-friendly operation for butterfly, ball, plug, and damper valves, ensuring long-term reliability and ease of integration.
Technical Overview
Parameter
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
Supply Voltage
380 V AC,415 V AC ±10%, 50 / 60 Hz ±5%
Protection Class
IP65 standard; optional IP67 / IP68
Mounting Standard
ISO 5210 / ISO 5211
Operating Angle
Quarter-Turn
Ambient Temperature
–20°C to +60°C
Starting Method
Direct-On-Line (DOL)
Insulation Class
Class 'F' with temperature rise limited to Class 'B limits
Paint Finish
Standard RAL 5021
Industries Served:
Oil & Gas
Power
Water & Wastewater
Chemical
Marine
Steel
Cement
Process Automation
Key Features
- Massive Torque Output: Up to 200,000 Nm with worm gear integration
- Precision Control: Smooth, backlash-free motion for accurate positioning
- Hammer Blow Effect: High breakaway torque for jammed valve release
- Rugged Engineering: Spur-worm gear combination for stability and durability
- Manual Override: Auto-declutch system for safe manual operation
- Weatherproof & Flameproof Designs: Reliable in extreme environments
- Low Noise: Quiet operation below 85 dB(A)
- Long-Life Grease Lubrication: 2–3 years of maintenance-free service
Why Choose ?
- Made in India, Trusted Worldwide — combining engineering excellence with field-proven reliability
- Built for Demanding Industries — from critical infrastructure to energy sectors
- Modular Design — easy integration with SDTORK control units and accessories
- Total Valve Automation Solution — backed by SDTORK’s service, support, and expertise
Applications
Butterfly, Ball & Plug Valves
Dampers and Diverter Systems
Knife-Edge and Sluice Gates
Penstock and Flow-Control Valves