Power generation · Spare parts & overhaul

Keeping turbines running.

BUILDTRON ENERGY JSC supplies spare parts for steam turbines and generators to thermal power plants in Bulgaria, Ukraine and the countries of the former Soviet Union — and carries out overhaul and modernisation of power generation equipment.

Steam turbines Generators Boilers Bulgaria · Ukraine · CIS
Steam turbine rotor in the workshop — BUILDTRON ENERGY
About us

A partner to thermal power plants across two continents

BUILDTRON ENERGY JSC is a Bulgarian company working in the energy field. We supply spare parts for steam turbines and generators to thermal power plants in Bulgaria, as well as in Ukraine and the countries of the former Soviet Union.

Alongside the supply of parts, we carry out overhaul, repair and modernisation of power generation equipment — from individual turbine components to complete boiler units brought in line with current European emission requirements.

  • Spare parts for steam turbines and generators
  • Overhaul and modernisation of boilers and turbines
  • Original drawing numbers and documented traceability
  • Supply to Bulgaria, Ukraine and the former Soviet Union
Current project

Boiler overhaul — Varna Thermal Power Plant

Our latest project is the overhaul of three boilers at Varna Thermal Power Plant. The first boiler has already been completed and now meets the current European emission requirements for gas firing. Work on the remaining two units is ongoing.

  • Three boilers in scope — first unit completed
  • Compliant with current EU emission limits for gas firing
  • Full overhaul: dismantling, repair, reassembly and commissioning
Steam turbine rotor — BUILDTRON ENERGY
Spare parts & equipment

What we supply

Components for steam turbines and generators, identified by original drawing number and supplied from stock or to order.

Turbine blades

Rotating and stationary blades for all stages — from the first high-pressure stages to the long last-stage blades of the low-pressure cylinder. Supplied as complete sets or individual items.

Nozzle assemblies & diaphragms

Nozzle assemblies and diaphragm segments for high-pressure and intermediate cylinders, including units for PT-60 and comparable turbine types.

Control valves & valve bodies

Steam control and stop valves, valve bodies and seats for high-pressure cylinders, in a range of nominal diameters.

Valve stems & linkages

Machined valve stems and connecting elements for turbine control and stop valves, manufactured to the original drawings.

Bearings & liners

Journal and combined journal-thrust bearing liners for turbines and generators, with babbitt lining and instrumentation fittings.

Regulation & governor units

Speed governor blocks, slide-valve units and other elements of the turbine control and protection system.

From our stock

Parts we hold today

A selection of components currently in our warehouse. Each item is identified by its original drawing number.

Nozzle assembly Б-1187980 for PT-60 turbine
Nozzle assemblyБ-1187980 · PT-60 turbine
Rotating blades 25th stage Бу-1138418
Rotating blades, 25th stageБу-1138418
Nozzle assembly HP cylinder Бу-1181592
Nozzle assembly, HP cylinderБу-1181592
Rotating blades 3rd stage Г-1137414
Rotating blades, 3rd stageГ-1137414 · complete set
Rotating blades 31st stage Бу-1138427
Rotating blades, 31st stageБу-1138427
Speed governor slide valve block А-1275400
Speed governor blockА-1275400
Control valve No.1 HP cylinder 1341597
Control valve No.1, HP cylinder1341597
Journal and thrust bearing liner А-1231165
Journal & thrust bearing linerА-1231165
Valve stems В-1284134
Valve stemsВ-1284134 · В-1137641 · В-1157615

Looking for a specific position? Send us the drawing number and we will confirm availability and lead time.

Need a part or a quotation?

Send us the drawing number, the turbine type or a short description — we will get back to you within one working day.

Contacts

Get in touch

BUILDTRON ENERGY JSC · Varna, Bulgaria

Address
9000 Varna, Bulgaria
143 Slivnitza Blvd., ap. 3

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