Service

Principal business areas in the field of service maintenance

Supply of spare parts and materials for OJSC "KTW" steam turbines:
  • Rotors with capped and integral disks;
  • Impeller wheels;
  • Diaphragms;
  • Blades;
  • Sealing rings;
  • Front and rear rotor bearings.
Repair of equipment manufactured by OJSC "KTW" and turbine equipment of other manufacturers:
  • Providing recommendations on terms of maintenance, scope of work and recommended list of spare parts, taking into account the manufacturer's experience;
  • High-quality diagnostics and qualified repair of steam turbine equipment of our own manufacture in the following areas: Complete service maintenance, rotors repair, auxiliary equipment repair;
  • Inspection, diagnostics, analysis of operation and assessment of the technical condition of the customer's equipment, on-site specialists visit with recommendations on the scope of required work, development of technical solutions for repair and maintenance;
  • Repair, modernization, and reconstruction works supervision.

Reducing gears manufactured and repaired by OJSC "KTW"

Type of reducing gear Power Gear ratio Weight (tons) Input Frequency

Single-stage

With horizontal and vertical alignment of gear axes

up to 10 MW

up to 5

up to 10

on customer's request

Double-stage

up to 15 MW

up to 9

up to 60

Planetary

up to 30 MW

up to 17

Multipliers

up to 10 MW

up to 5

up to 10

Worm-type reducing gears

up to 11 KW

up to 32

up to 1

Manufactured and repaired pumps

Pump Type

Flow m3/h

Pressure head m

Speed

Positive suction head, m

Fluid temperature, °С

Efficiency, %

Type of electric engine

ЭКН

6-300

25-300

1500-3000

0,8-1,8

125

up to 67

АИР,РА

ПН

150-50

150

500 - 560

2380 - 3200

9,5

105

65

ПН

1500-350

1500

3600

4500

100

160

83

drive turbine

ПЭ

160-140

160

1480

3000

8

160

65

4АЗМ-1000/

6000, 6000V, 50Hz, 1000kW

ПНХ

 100-60

100

600

3000

10

40

65

5АН355В2У3, 400kW

ЦНС

150-50

150

50

3000

6,5

80

65

ВА200L2 380V, 50Hz, 45kW

ПТА

50-50

50

525

6000

8

105

0,4

turbine drive

Д

10000-210

10000

210

3000

65

up to 80

83

8MW

Before being shipped to the customer pumps are tested at the specialized stands

Condensers manufactured and repaired by OJSC "KTW"

Heat exchanger surface area

from 40 m2 to 4000 m2

Number of water passes

single pass, two pass, four pass

Structural design

welded, assembled

By connection to the turbine

basement, axial, suspended

By type of tubes mounting

roll forging, roll forging + seal welding

Tube Material

LO (tin brass), MNZh (copper-nickel alloy), stainless steel, titanium

  • Condensers are equipped with all necessary safety, control and measurement systems;
  • Water chambers are adapted for the possible connection to the ball cleaning system;
  • It is possible to equip the condensate collector with a dissolved oxygen removal system;
  • Individual design on order is possible.