Skip to main content
How to Buy

SCD02, 03 & 06 Series - 500 to 3200 lbs

Heavy Duty Electric Linear Actuators excel in precision and position feedback, allowing for accurate control over speed, acceleration, and force. Eliminating the need for hydraulic fluids, reducing the risk of leaks make them suitable for clean environments. They are known for high efficiency, which translates to lower energy consumption and operating costs.

Standard Configurations

Screw Drive Type: Ball
Stroke Length (in): 24, 30, 25, 31, 29, 36
View Specifications

Need Assistance?

Not sure if this is the right product for your application, or need a custom solution? Contact us today for help from an expert.

Features and Benefits

  • Easy to Install, Reducing Installation Costs
    Easy installation is a significant benefit of electric linear actuators, especially compared to hydraulic or pneumatic systems. Electric linear actuators are generally self-contained units with a motor, gears, and a leadscrew.
  • Low Maintenance Design
    Easy to maintain after installation
  • Steel Trunnion Housing
    Provides reduced operating torque, the steel trunnion housing design helps reduce the weight on the ball and seats, requiring less torque to operate the valve. Steel is renowned for its inherent strength and durability, especially under high-pressure and high-temperature conditions. A steel trunnion housing will provide a robust and resilient mounting point, capable of withstanding significant operational forces and environmental stressors, leading to a longer service life for the actuator.
  • Enhanced Durability
    Chrome plated translating tube can increase the surface hardness and durability of softer materials, increasing resistance to wear and tear.
  • Hydraulic Cylinder Grade Wiper Seals
    Maintains seal integrity and helps to curb internal fluid leakage by removing particles that could cause abrasions or tears in the primary seals.
  • Guided at Both Ends by Polymeric Bearings
    Improves load distribution, polymer bearings can distribute loads over a larger area compared to metallic bearings, which helps prevent point loading and damage to mating components.
  • Trunnion Mounting
    Enables controlled and precise rotational movement alongside the linear actuation, allowing for complex and specific positioning or alignment.
    The steel trunnion housing design helps reduce the weight on the ball and seats, requiring less torque to operate the valve.
  • Ring Kit Encoder
    The encoder translates the linear movement into a digital signal, providing the control system with real-time information about the actuator's speed, direction, distance, and position. This feedback allows the system to monitor and adjust the actuator's movement as needed.
    Allows Flexible Integration for integration with large diameter shafts, and offers flexible mounting options with a shallow installation depth.
  • Brake Motor Options
    • Standard brake motors use Class F insulation with Class B rise (1.15 S.F.)
    • Standard brake motors totally enclosed and fan cooled. IP66 or wash-down motors available.
    • Standard brake motors are UL, CSA, or CE marked, depending on voltage
  • Custom Solutions
    Available with experienced Application Engineering Team

FEATURES & BENEFITS:

  • Easy to install - reduces installation costs
  • Custom designed for your application
  • Low maintenance design - easy to maintain after installation
  • Long product life expectancy
  • Steel trunnion housing
  • Chrome plated translating tube
  • Hydraulic cylinder grade wiper seals
  • Guided at both ends by polymeric bearings
  • Trunnion mounting
  • Ring Kit Encoder
  • Standard brake motors use Class F insulation with Class B rise (1.15 S.F.)
  • Standard brake motors totally enclosed and fan cooled. IP66 or wash-down motors available.
  • Standard brake motors are UL, CSA, or CE marked, depending on voltage

Specifications

    • Model Number Capacity (lbs) Lifting Speed at Rated Load (in/s) Limit Switch Motor (HP) Motor Position Potentiometer Stroke Length (in) Translating Tube Material
      ND02-415-24 1238 7.19 Yes 1.5 Optional 24 Hard Chrome Plated
      ND02-610-30 1249 4.75 Yes 1 Offset Optional 30 Hard Chrome Plated
      ND03-430-25 1499 11.87 Yes 3 Optional 25 Hard Chrome Plated
      ND03-615-31 1134 7.85 Yes 1.5 Optional 31 Hard Chrome Plated
      ND06-430-29 1306 13.63 Yes 3 Optional 29 Hard Chrome Plated
      ND06-620-36 1317 9 Yes 2 Optional 36 Hard Chrome Plated
    • Model Number Capacity (lbs) Lifting Speed at Rated Load (in/s) Limit Switch Motor (HP) Motor Position Potentiometer Stroke Length (in) Translating Tube Material
      ND02-420-24 1651 7.19 Yes 2 Offset Optional 24 Hard Chrome Plated
      ND02-615-30 1873 4.75 Yes 1.5 Optional 30 Hard Chrome Plated
      ND03-620-31 1512 7.85 Yes 2 Offset Optional 31 Hard Chrome Plated
      ND06-630-36 1976 9 Yes 3 Optional 36 Hard Chrome Plated
    • Model Number Capacity (lbs) Lifting Speed at Rated Load (in/s) Limit Switch Motor (HP) Motor Position Potentiometer Stroke Length (in) Translating Tube Material
      ND02-430-24 2476 7.19 Yes 3 Offset Optional 24 Hard Chrome Plated
      ND02-620-30 2498 4.75 Yes 2 Optional 30 Hard Chrome Plated
      ND03-450-25 2498 11.87 Yes 5 Optional 25 Hard Chrome Plated
      ND03-630-31 2268 7.85 Yes 3 Optional 31 Hard Chrome Plated
      ND06-450-29 2177 13.63 Yes 5 Optional 29 Hard Chrome Plated
    • Model Number Capacity (lbs) Lifting Speed at Rated Load (in/s) Limit Switch Motor (HP) Motor Position Potentiometer Stroke Length (in) Translating Tube Material
      ND02-410-24 825 7.19 Yes 1 Offset Optional 24 Hard Chrome Plated
      ND03-410-25 500 11.87 Yes 1 Offset Optional 25 Hard Chrome Plated
      ND03-415-25 749 11.87 Yes 1.5 Optional 25 Hard Chrome Plated
      ND03-420-25 999 11.87 Yes 2 Offset Optional 25 Hard Chrome Plated
      ND03-610-31 756 7.85 Yes 1 Offset Optional 31 Hard Chrome Plated
      ND06-410-29 435 13.63 Yes 1 Optional 29 Hard Chrome Plated
      ND06-415-29 653 13.63 Yes 1.5 Optional 29 Hard Chrome Plated
      ND06-420-29 871 13.63 Yes 2 Offset Optional 29 Hard Chrome Plated
      ND06-610-36 659 9 Yes 1 Optional 36 Hard Chrome Plated
      ND06-615-36 988 9 Yes 1.5 Offset Optional 36 Hard Chrome Plated
    • Model Number Capacity (lbs) Lifting Speed at Rated Load (in/s) Limit Switch Motor (HP) Motor Position Potentiometer Stroke Length (in) Translating Tube Material
      ND02-630-30 3747 4.75 Yes 3 Optional 30 Hard Chrome Plated
      ND03-650-31 3780 7.85 Yes 5 Optional 31 Hard Chrome Plated
      ND06-475-29 3265 13.63 Yes 7.5 Optional 29 Hard Chrome Plated
      ND06-650-36 3293 9 Yes 5 Optional 36 Hard Chrome Plated

Documents

Brochures & Catalogs

[Catalogs] Duff-Norton SuperCylinder Design Guide [Brochure] Duff-Norton Capabilities Brochure S1

Product & Data Sheets

[Product Sheet] SCD02, 03, & 06 Product Sheet [Product Sheet] SCD02-03-06 Specs & Part Numbers

Drawings & Diagrams

[Dimension Drawing] SCD02 & 03 Dimensional Drawing [Dimension Drawing] SCD06 Dimensional Drawing