Repair

ENTECHMACH RPC LLC. provides the full range of services from design development, repair and reconstruction of power equipment to the supervision and start-up works.

 


ENTECHMACH RPC LLC.  performs repairs of Russian and imported power-generating equipment, such as:

 

  • centrifugal compressors and blowers;
  • steam drive and energy turbines;
  • condensers;
  • axial-flow compressors;
  • complex machine tools;
  • increasing gears and reducers;
  • water-cooled and air-cooled coolers;
  • gas coolers;
  • oil coolers;
  • pumps, etc.

Depending on the type of repair and the availability of the stand-by machines at the client, the works can be carried out both at the production facilities of ENTECHMACH RPC LLC. and at the equipment operation site.

 

In order to repair the imported equipment that does not have technical documentation the specialists of ENTECHMACH RPC LLC.  can develop the working drawings according to available samples of parts.

 

Taking into account the preliminary preparation (equipment examination, development of repair documentation, design and manufacture of spare parts) the repair works are performed while the process equipment is shut-off for the regular scheduled repair.


EXAMPLES OF REPAIR WORKS PERFORMED AT THE ENTERPRISE IN RECENT YEARS

DOROGOBUZH OJSC

Capital repair space of steam turbine P-3.5-40/15-1 including the upgrading of the stator for installation of the replaceable nozzle set and guide vane.

 

Works to repair a steam turbine:

  • carrying out of flaw inspection of the turbine parts;
  • preparation of the defects sheet;
  • repair of the turbine casing including the upgrading of the stator for installation of the replaceable nozzle set and guide vane;
Works to repair a steam turbine
before repair
  • repair of rotor including replacement of blades and the antennal seals;
  • replacement of dummy clips;
  • replacement of oil-protection seals;
  • alignment, assembly of the turbine;
  • manufacture of new bearings of the attended repeater station and terminal station;
  • passport execution;
  • preservation, packaging.
Works to repair a steam turbine
after repair

MINERAL FERTILIZERS OJSC, Perm

Capital repair of the increasing gear – 101J:

  • manufacture of gear unit, bearings;
  • gear pair rolling-on;
  • dynamic balancing of wheels, gear wheels;
  • laying of gear pair into the gear box.

 

MFP KCCW OJSC. Kirovo-Chepetsk

Repair of turbocharger rotor GTT-3M (ГТТ-3М) including the replacement of the turbine rotor blades and antennal seals:

  • production of suction seals  (labyrinth, screw);
  • manufacture of barring clutches;
  • dynamic balancing of the rotor.

DOROGOBUZH OJSC

Capital repair of the compressor rotor – 105J (ЦВД/MCL 806):

  • manufacture and replacement of the shaft, oil plugs, bearing disks;
  • dynamic balancing of the rotor.

 

DOROGOBUZH OJSC

Repair of HPC of the process air compressor buildup – 101J:

  • repair of the rotor shaft, production and replacement of oil plugs;
  • balancing of the rotor.