Energetics

JSC "Plakart" performs plasma spraying of thermal barrier coatings of turbine blades, other elements of the hot path. Production is certified by leading foreign turbine manufacturers.

The use of heat-protective coatings allows to achieve:

  • reduction of the cooling of the blade (up to 36%), while maintaining heat resistance;
  • a significant increase in the heat resistance of the blades while maintaining a constant mode of operation (i.e. this allows the blades to maintain lower temperatures at a constant temperature at the turbine inlet).
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    Laser cladding by Plakart 03 coating based on NiCrMoNb with improved mechanical properties:
  • significantly reduces the amount of metal deposited;
  • reduces the complexity of recovery;
  • increases the working life of the hammer up to 4 times.
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    Restoration of the working surface. Thermal barrier coating.
    Terms of Use:

  • high temperature corrosion;
  • shift crank;
  • chemical corrosion.
  • Repair, import substitution, increase in the working life of parts by 3-4 times.


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    As the steam cools during the operation of the turbine, water drops are condensed in it. Steam turbine blades are attacked by these droplets, leading to vapor-droplet erosion.

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    Upon contact of two dissimilar metals, a galvanic couple arises, which causes electrochemical corrosion and reduces the electrical conductivity at the point of contact.

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    Protection of the rings of the labyrinth compaction of the water turbine against abrasive and cavitation effects.

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    The combined metallization and paintwork system of protection against corrosion “SPRAMET” allows to increase the service life of objects in contact with a corrosive-active environment by an order of magnitude.
    Combining the advantages of anodic protection and painting, the SPRAMET system provides metal corrosion protection for decades, even in the case of mechanical damage to the base metal.

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    The thickness of the sprayed babbit layer can be from 1.5 to 30 mm, the recommended thickness for the production of bearings - from 2 mm. Obviously, spraying a new babbit costs somewhat more than refilling the old one.
    The assets of the company "Plakart" hundreds of sprayed bearings and several turnkey spraying systems. Contact our regional centers for babbit spraying.

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    Cavitation-resistant coatings for impellers of centrifugal pumps - gas-thermal spraying, equipment and technology. Wear and cavitation of the impellers leads to increased power consumption, lower pressure at the outlet, more frequent repairs. Coatings provide a higher service life and energy saving.

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    Corrosion under insulation, or underfilm corrosion, is one of the most dangerous threats to pipelines due to the complexity of detection and the speed of development.

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