SD-2000 Series with Linear-to-Rotary Convertor
SD-2000 Series
The SD-2000 Series Linear-to-Rotary Electric Actuator from SDTORK Controls Pvt. Ltd. is a robust and reliable solution for precise valve automation in a wide range of industrial applications. Engineered for on-off quarter-turn operations, this actuator efficiently converts linear motion into controlled rotary movement, ensuring accurate valve positioning and dependable performance.
Designed to operate in harsh and demanding environments, the SD-2000 Series features a rugged aluminium alloy enclosure with IP65 weatherproof protection, safeguarding internal components against dust, moisture, and adverse climatic conditions. This makes it suitable for both indoor and outdoor installations, including continuous-duty industrial settings.
The actuator is equipped with a synchronous stall-duty motor that delivers smooth, stable torque throughout the operating cycle. Integrated micro travel limit switches provide precise end-position control, protecting the valve and actuator from over-travel and mechanical stress. Its stay-put mechanism ensures the valve remains securely in position even during power interruptions, enhancing system safety and reliability.
With its compact design, low maintenance requirements, and long operational life, the SD-2000 Series is an ideal choice for industries seeking a cost-effective yet high-performance electric actuator solution. Backed by SDTORK’s engineering expertise and quality manufacturing standards, this actuator delivers consistent performance, ease of installation, and dependable service over extended operating periods.
Technical Overview
Parameter
SD-2000 Series with Linear-to-Rotary Convertor Model:
SD-2001-04 / 06
- Industry Use: Water Treatment, HVAC, Process Industry, Utility Systems
- Rated Torque: 40 Nm / 68 Nm
- Stroke Range: 32 mm / 60 mm
- Operating Angle: 90° (Quarter-Turn)
- Operating Time: 123 sec / 231 sec per 90° rotation
SD-2001-15 / 20
- Industry Use: Water, Marine, Energy, Chemical, Power, HVAC, and General Process Industries
- Rated Torque: 150 Nm / 200 Nm
- Stroke Range: 32 mm / 60 mm
- Operating Angle: 90° (Quarter-Turn)
- Operating Time: 71 sec / 133 sec per 90° rotation
Industries Served:
Butterfly, Ball, and Plug Valves
Dampers and Diverter Valves
HVAC and Power Plant Systems
Oil & Gas Pipelines
Water & Wastewater Treatment Plants
Process and Petrochemical Industries
Key Features
- Linear-to-Rotary Convertor Assembly for precision control of rising-stem valves.
- Space Heater to prevent condensation in humid conditions.
- Torque & Position Feedback (4-20 mA) for remote monitoring.
- Mechanical & Electrical Interlocks for added safety.
- Local/Remote Selector Switch with Manual Controls.
- Fieldbus Communication Compatibility: MODBUS / PROFIBUS / HART / Bluetooth Interface.
- Flameproof or Explosion-Proof Enclosure (Ex-d IIB/IIC, T4).
Why Choose ?
- High Torque Output: Capable of handling heavy-duty industrial applications.
- Versatile Design: Linear-to-Rotary convertor ensures compatibility with a wide range of valve types.
- Rugged & Reliable: Designed to operate under harsh industrial and outdoor conditions.
- Ease of Maintenance: Modular design enables quick inspection and service.
- Smart Control Options: Compatible with modern digital communication protocols for Industry 4.0 readiness.
- Proven Performance: Built to meet international standards for safety, durability, and precision.

