Flow Control - Valves

Actuator Gearboxes

Heavy-Duty Valve Actuators & Gearboxes for Industrial Pipelines

Derwent Industries offers a comprehensive range of actuator gearboxes designed for precision, durability, and performance across industrial and flow control applications. Our lineup includes the robust BA-Z Series, versatile Bevel and Epicyclic Gearboxes, compact and efficient PGM Series Planetary Gearboxes, reliable Torque Limiter SN-TL Series, and durable XB Multi-turn Gearboxes. Each product is engineered to deliver smooth torque transmission and dependable operation, even in the most demanding environments.

Our Actuation & Gearbox Range

  • BA-Z & XB Multi-Turn Gearboxes: High-torque XB Multi-turn Gearboxes featuring spiral bevel gears, IP67/IP68 sealing, and ISO 5210 mounting standards for manual or motorised operation on gate and globe valves.
  • PGM Series Planetary Gearboxes: Compact PGM Planetary Gearboxes specifically engineered for non-rising stem valves, designed to boost output torque on small electric actuators.
  • Bevel & Epicyclic Gear Assemblies: Versatile gear arrangements engineered to facilitate smooth, high-torque manual or automated operation across large-diameter valve installations.
  • Torque Limiters & Drive Accessories: Heavy-duty SN-TL Series Torque Limiters and custom drive adapters engineered to protect valve stems and gearing from mechanical overload.

Why Choose Derwent Industries Actuation Solutions?

  • High Mechanical Efficiency: Precision-cut internal gearing minimises operating torque, reducing manual effort and extending component service life.
  • Built for Australian Conditions: Constructed with robust, IP67/IP68-rated housings and protective coatings engineered to withstand harsh soil, climate, and chemical environments.
  • Complete System Integration: Supported by our technical team across five Australian manufacturing facilities to provide complete end-to-end guidance from sizing to installation.

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