Model 22-309: High-Torque Industrial Rotary Actuator
The Harold Beck Model 22-309 is a heavy-duty rotary actuator engineered to provide precise modulation for large dampers and heavy-load valve applications. Designed for 100% continuous duty, this high-torque drive eliminates the positioning drift and maintenance requirements of pneumatic alternatives. By utilizing Beck’s unique no-burnout motor technology, the 22-309 maintains absolute accuracy in high-cycle environments, ensuring your most critical process loops remain stable and efficient under maximum load conditions.
Housed in a ruggedized, weatherproof NEMA 4X enclosure, the Model 22-309 is built to withstand extreme industrial temperatures and corrosive atmospheres. The unit features a maintenance-free alloy steel gear train and patented contactless position sensing for wear-free feedback and long-term reliability. With integrated HART diagnostics and an electric handswitch for local operation, the 22-309 delivers the rugged durability and smart diagnostic intelligence required for high-uptime automation in power plants, steel mills, and refineries.
High-Torque Performance and Control Features:
- • High-torque rotary output optimized for large-scale industrial dampers and valves.
- • 100% continuous duty cycle motor prevents overheating during constant modulation.
- • Maintenance-free gear train with integral self-locking mechanism to hold position.
- • Contactless position sensor (CPS) ensures accurate feedback with zero mechanical wear.
- • Weatherproof NEMA 4X housing designed for the harshest industrial environments.
- • Advanced digital control module (DCM) for simple setup and health monitoring.
AVAILABLE TORQUE AND TIMING COMBINATIONS FOR THE MODEL 22-309
Beck’s DCM-2 provides modulating control of the drive in response to standard control system signals.
Notable features include:
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- Convenient user interface for calibration and drive status.
HART® compatibility. - Compatible with common asset management systems.
- Receives control signals directly, eliminating the need for contact protection devices, relays, switches and reversing starters.
- Designed to operate continuously at temperatures from -40º F to 185º F (-40° to 85° C).
- Initiates shaft movement in steps ranging from 0.10% to 0.25% of span, depending on the timing of the gear train
- Convenient user interface for calibration and drive status.
.
Beck’s DCM-2 provides modulating control of the drive in response to standard control system signals.
Notable features include:
-
- Convenient user interface for calibration and drive status.
HART® compatibility. - Compatible with common asset management systems.
- Receives control signals directly, eliminating the need for contact protection devices, relays, switches and reversing starters.
- Designed to operate continuously at temperatures from -40º F to 185º F (-40° to 85° C).
- Initiates shaft movement in steps ranging from 0.10% to 0.25% of span, depending on the timing of the gear train
- Convenient user interface for calibration and drive status.
.
Beck’s DCM-2 provides modulating control of the drive in response to standard control system signals.
Notable features include:
-
- Convenient user interface for calibration and drive status.
HART® compatibility. - Compatible with common asset management systems.
- Receives control signals directly, eliminating the need for contact protection devices, relays, switches and reversing starters.
- Designed to operate continuously at temperatures from -40º F to 185º F (-40° to 85° C).
- Initiates shaft movement in steps ranging from 0.10% to 0.25% of span, depending on the timing of the gear train
- Convenient user interface for calibration and drive status.
.
Beck’s patented CPS technology has been providing reliable control feedback with infinite resolution in our products for many years
Notable features include:
-
- Utilizes a unique ferrite magnetic design with no contacting or wiping surfaces to wear or intermittently lose contact.
- The ferrite rotor is driven directly by the output shaft.
- A 4–20 mA position feedback signal is available for remote indication.
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FACTORY CALIBRATION
All Beck drives are set-up and calibrated to the customer specification. No electrical adjustments are required before installation. Additional features available on Beck control electronics:

