Hiller Technical Support

Rotork-Hiller supports the needs of the nuclear industry with specialised expertise in commercial and safety-related pneumatic, hydraulic and electro-hydraulic valve actuation since the mid-1960s. As the original equipment manufacturer, we are your best choice for service, spare parts and technical support.

Workshop Services

Our expert qualified technicians are prepared to provide a wide range of services from the fully-equipped workshop within our manufacturing facilities.

  • Full refurbishment services to re-establish product maintenance life
  • System upgrade and modification
  • Failure analysis and repair
  • Calibration, testing and certification
  • Long-term storage with periodic functional testing
  • Customised actuator shipping/storage containers
  • Decontamination of “hot” actuators
  • Painting / coatings up to Level 1 requirements

Spare Parts

Our dedicated parts service personnel handle all aspects of spare parts processing, including technical support, quotations, order processing and shipment.

  • $1.5 million in spare parts inventory
  • All suppliers are regularly audited and approved
  • OEM actuator repair kits and individual actuator components
  • Certified genuine OEM spares
  • Fast-Track delivery options
Hiller Tech Support

Technical Support

Our specialist team of engineers and qualified technicians are available to provide assistance and support through all phases of your project, either on-site or at our facility.


  • Basic training on all Hiller products
  • Preventative maintenance training
  • Spares parts inventory management
  • Actuator drawing and manual updates
  • Engineering evaluation of obsolete parts for replacement


  • Facility walk-down
  • Pre-outage inspection
  • Start-up commissioning support
  • Plant upgrade feasibility studies
  • Failure analysis support
  • Installation and maintenance support
  • Product training