+27 (0) 16 971 1550 commercial@actomturbo.co.za

Actom Turbo Machines

Turbomachinery and High-speed Rotating Equipment Specialists

Actom Turbo Machines offers complete workshop, site, and engineering services for turbomachinery and high-speed rotating equipment, such as:

  • Steam and gas turbines
  • Gas expanders
  • Compressors; centrifugal, radial, and integrally-geared compressors
  • Reciprocating compressors
  • Pumps; multi-stage, single-stage, high-pressure pumps
  • Blowers and fans; single-stage overhang; ID and FD fans; acid blowers
  • Gearboxes; high-speed reducing/ increasing; mill gearboxes;
  • Centrifuges
  • All mechanical peripherals and auxiliaries
  • Steam, gas, and oil piping and fabrications

Workshop services

Comprehensive inspections, refurbishments and repairs by experienced workshop engineers and technicians under extensive quality control procedures and specifications, such as:

  • Cleaning, sand/ glass-bead blasting and painting bays
  • 3D measuring, dimensional and visual reporting
  • Run-out inspections
  • Non-destructive testing and material analysis
  • Low-speed balancing
  • Weld repair and re-machining of rotor shafts, casings, impellers, peripherals and auxiliaries
  • Casing line boring
  • Re-machining and grinding of rotor shaft journals
  • Re-metaling and machining white metal bearings
  • Labyrinth seals replacement; strip material and wire, re-caulking and machining
  • Wear ring welding or coating and re-machining
  • Turbine rotor and stator re-blading
  • Radial compressor rotor and stator re-blading
  • Final assembly with verification of all specifications, dimensions and tolerances as per assembly procedures
  • Complementary electrical services by Marthinusen & Coutts (Pty Ltd)


Engineering services, such as:

  • Inspection, trouble-shooting, assessment, and scope of repair by qualified and experienced engineers
  • Reverse-engineering of complete rotors; rotor shafts; turbine and compressor blades; compressor and pump impellers; gears and pinions
  • Reverse-engineering of white-metal bearings, casings, sealing systems, peripherals and auxiliaries
  • Design, re-engineering, and specifications for turbomachinery and high-speed rotating equipment
  • Quality assurance and quality control
  • Compilation of quality control procedures and engineering specifications


Complete fabrication and machining of components, such as:

  • Rotor shafts for turbines, compressors, blowers, fans, and pumps
  • Impellers for centrifugal compressors, blowers, fans, and pumps
  • Turbine and compressor blades, shrouds, and pins
  • White metal bearings metaling and machining
  • labyrinth seals for gland seals and balance pistons
  • Labyrinth seal strips and caulking wire
  • Wear rings and sleeves for pumps


Site services

Comprehensive site services by experienced artisans, technicians and engineers, such as:

  • General overhauls and maintenance for steam and gas turbines, compressors, gearboxes, pumps, blowers and fans, and all auxiliary systems
  • Bearing inspections
  • Rotor inspections
  • Laser alignment and coupling inspections
  • Non-destructive testing
  • Inspection and trouble shooting
  • Vibration analysis and fault finding
  • Control and emergency-stop valves, oil systems, cooling systems, condensers, and steam and vacuum systems
  • Pre-commissioning inspection and commissioning
  • Site fabrication
  • Turnkey overhaul
  • New installations
  • Relocations and refurbishments
  • Project planning and management
  • Health, safety, environmental, and quality officers and management
  • Complementary electrical services by Marthinusen & Coutts (Pty Ltd)


Actom Turbo Machines current contracts

Maintenance and general overhauls of 14 30 MW steam turbine and compressor trains in petrochemical air separation plant, consisting of:

  • GHH steam turbines and compressor
  • Up to 35 personnel on site
  • Turbine and compressor engineer
  • Site manager and foremen
  • Health, safety, environmental, and quality managers and officers
  • Site office and vehicles
  • All equipment and tooling


Maintenance and general overhauls of six 60 MW steam turbines in power station, consisting of:

  • Three GEC turbine-generator trains and three Escher Wyss Oerlikon turbine-generator trains
  • HP turbine, LP turbine, and generator
  • Up to 15 personnel on site
  • Site manager
  • Health, safety, environmental, and quality manager and officer
  • Site office and vehicles
  • All equipment and tooling


Past projects of note include:

Installation of two 150 MW steam turbine-generators for Copper Mining operation in Republic of Panama, consisting of:

  • Doosan Skoda double casing HP and IP turbine, LP turbine, and Siemens generator, including all auxiliaries
  • Laser leveling and laying of equipment on foundation
  • Laser alignment of all equipment
  • Up to 15 personnel on site
  • Supply of equipment, tooling, and consumables
  • Final alignment, pre-commissioning inspection and preservation


  • Re-blading and refurbishment of five AEG Kanis steam turbines for petrochemical plant power station
  • Refurbishment and overhaul of four 30 MW steam turbine-generator sets for Power Station in Namibia
  • Installation of four 373 MVA vertical motors/ generators for pumped storage scheme in Ladysmith