STEAM TURBINE OVERHAULS

We provide full range of servicing activities for steam turbines:

Turbine revision

  • Preliminary analysis of the condition of complete turbine and its components with recommendations for further action by use of vibrodiagnostics, NDT, and advance measuring and examination techniques.

 

Turbine overhauls

  • Re-blading of rotors and stators
  • Replacing slide bearings
  • Repairing of bearing journals
  • Replacing labyrinth gland segments
  • Replacing labyrinth glands
  • Installation of custom fit labyrinth seals (stator and rotor)
  • Complete overhaul of steam valves (regulating, extraction, quick closing)
  • Repair and adjustment of overspeed trip devices
  • Replacing special turbine nuts and bolts

 

Turbine repairs

  • Casings (special welding, and machining)
  • Slide bearings
  • Labyrinth glands
  • All valves (regulating, extraction, quick closing)
  • Hydraulic regulation components (testing and adjustments)

 

Reverse engineering

  • Making of 3D models of components as basis of various analysis and reconstructions
  • Making og technical documentation for existing parts (2D drawings, etc.)
  • Production of spare parts from damaged samples:
    – rotor and stator blades
    – bearings
    – valve pistons, spindles and discs
    – various other parts and components

 

Turbine reconstructions

  • Improving turbine efficiencyIncreasing turbine power output
  • Solving cronic vibrations problems
  • Cold turbine start
  • Turbine rotor raisng oil systems
  • Replacing old problematic bearing systems with modern solutions and materials
  • Replacing old regulation with modern electronic regulation systems
COMPLETE TURBINE OVERHAUL IN OIL REFINERY, NIS PANCEVO

 

REBLADING OF TURBINE STATOR

 

DAMAGED BLADES BEFORE REBLADING

 

NEW BLADES AFTER REBLADING

 

MACHINING OF GROOVES FOR CUSTOM FIT LABYRINTH SEALS

 

CUSTOM FIT ROTOR LABYRINTH SEALS
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