Actom Turbo Machines

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