Certified refurbished Nanjing Steam Turbine (NJTC) 20MW condensing generator set, model N20-8.83-1 and QFW-20-2, ready for shipment.
Certified refurbished Hangzhou Steam Turbine (HTC) 25MW condensing steam turbine, model N25-8.83/535.
Certified refurbished Nanjing Turbine (NJTC) 20MW condensing steam turbine generator set, model N20-8.83-1 and QFW-20-2, 10.5kV high voltage, in stock.
Certified refurbished Hangzhou Steam Turbine (HTC) 25MW condensing steam turbine, model N25-8.83/535.

Nanjing Turbine (NJTC) 20MW Condensing Steam Turbine Generator Set

This 20MW condensing steam turbine generator set is manufactured by Nanjing Turbine & Electric Machinery Group (NJTC), a well-known Chinese turbine supplier for industrial power and waste heat recovery applications.

The unit is suitable for projects requiring stable continuous output and can be discussed in terms of equipment condition, technical review, refurbishment scope, and delivery planning.

Key parameters include 20 MW rated capacity, 535°C inlet temperature, and 8.83 MPa(a) inlet pressure.

Additional information

Manufacturer

Nanjing Turbine & Electric Machinery Group

Model

N20-8.83

Rated Capacity

20 MW (20,000 kW)

Inlet Temperature

535 °C

Inlet Pressure

8.83 MPa(a)

Supply Basis

Available Unit / Technical Review & Refurbishment Scope Open for Discussion

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Scope of Supply

1. Main Steam Turbine System

  • Steam Turbine Body: NJTC N20-8.83 condensing steam turbine unit
  • Rotor & Flow Path Components: Main rotor assembly and critical internal components
  • Governing & Protection System: Main stop valve, control valves, and overspeed protection devices

2. Generator System

  • Generator Main Unit: QFW-20-2 synchronous generator
  • Excitation System: Exciter and digital static excitation control cabinet
  • Cooling System: Generator cooling arrangement and monitoring instruments

3. Auxiliary Equipment (Turbine Island)

  • Condensing System: Surface condenser, condensate pumps, and jet air ejectors
  • Lubrication System: Oil tank, main oil pump, auxiliary pumps, and oil coolers
  • Control System: DEH system and related monitoring/control panels

Inspection, Testing & Technical Review

  • Internal Cleaning & Condition Review – Internal cleaning and condition inspection of the turbine casing, rotor, and generator components
  • NDT on Critical Parts – Ultrasonic and magnetic particle testing on key blades, journals, and structural areas where applicable
  • Dynamic Balancing – High-speed dynamic balancing for turbine and generator rotors
  • Seal & Bearing Review – Inspection or replacement planning for seals and critical bearing components
  • Electrical & Insulation Testing – Generator winding checks, insulation resistance testing, and related electrical review

Project Support Services

  • Technical Review Support – Assist in evaluating equipment suitability based on your steam parameters and project target
  • Refurbishment Scope Discussion – Support discussion on refurbishment items, testing scope, and delivery basis
  • Packing & Logistics Coordination – Export packing and long-distance transportation support
  • Installation & Commissioning Discussion – Installation or commissioning support can be discussed based on project requirements
  • Documentation & Spare Parts Support – Technical documents and spare parts planning support available where applicable

Frequently Asked Questions

Why choose an available steam turbine unit instead of waiting for a new order?
Available units can help shorten project lead time and support faster decision-making for plant expansion, replacement, or waste heat recovery projects. Technical review, refurbishment scope, and delivery planning can be discussed according to project requirements.
We can provide equipment photos, basic specifications, nameplate details, and preliminary technical communication to help evaluate suitability for your project. Further refurbishment or modification scope can also be discussed if required.
TDuring the refurbishment process, the generator windings undergo a complete suite of dielectric and insulation testing, including resistance and high-potential tests. All procedures comply with the GB/T 7064 standard, ensuring electrical performance is restored to original factory curve levels.

Request a Quote & Technical Matching

Please provide your contact details and project requirements below. Our team will review your request and recommend suitable equipment solutions based on your application, technical needs, and delivery destination.
Site inspection, pre-shipment checking, and project discussion can be arranged for serious buyers.

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