Introduction
Our steam turbines, rated 40–65 MW, are engineered for conventional steam power plants. With over 100 units of this type already in service across China, we deliver mature, field-proven technology — backed by decades of manufacturing and commissioning experience.
Specification of Condensing Turbine
High-efficiency condensing steam turbine units for power generation. All units 3000 r/min (50 Hz), single-casing impulse design.
| Item | 50MW Condensing Turbine | 55MW Condensing Turbine | 60MW Condensing Turbine | 57.5MW Condensing Turbine | 75MW Condensing Turbine |
|---|---|---|---|---|---|
| Product Code: STI-N50-1 | Product Code: STI-N50-2 | Product Code: STI-N50-3 | Product Code: STI-N50-4 | Product Code: STI-N50-5 | |
| Product Model | N50-8.83/535 | N55-883/535 | N60-8.83/535 | N57.5-8.83/535 | N75-1.42/274 |
| Product Type | Impulse, single casing, non-controlled extraction | Impulse, tandem, single casing, single flow | Impulse, tandem, single casing, single flow | Impulse, tandem, single casing, single flow | Impulse, tandem, single casing, single flow |
| Rated Output (MW) | 50 | 55 | 60 | 57.5 | 75 |
| Max. Output (MW) | 53 | 55 | 70 | 64 | 78.5 |
| Speed (r/min) | 3000 | 3000 | 3000 | 3000 | 3000 |
| Steam Pressure before MSV (MPa) | 8.83 | 8.83 | 8.83 | 8.83 | 1.42 |
| Steam Temperature before MSV (℃) | 535 | 535 | 535 | 535 | 274 |
| Reheat Temperature (℃) | / | / | / | / | / |
| Rated Steam Flow (t/h) | 187.5 | 207.9 | 218.04 | 208.5 | 386 |
| Max. Steam Flow (t/h) | 210 | unknown | 264 | 242 | 405 |
| Exhaust Pressure (MPa) | 0.0049 | 0.0096 | 0.0049 | 0.0083 | 0.0054 |
| Stage Number | I + 21 = 22 | I + 19 = 20 | I + 18 = 19 | I + 18 = 19 | 6 |
| Stage of Heater | 2 (HP) + 1 (deaerator) + 3 (LP) | 2 (HP) + 1 (deaerator) + 3 (LP) | 2 (HP) + 1 (deaerator) + 3 (LP) | 2 (HP) + 1 (deaerator) + 3 (LP) | 1 (LP heater) |
| Cooling Water Temperature (℃) | 20 | 32.4 | 20 | 30 / 33 | 20 |
| Feedwater Temperature (℃) | 222 | 215 | 218 | 215.1 | 60 |
| Length of L−0 Bucket (mm) | 665 | 668 | 668 | 668 | 1000 |
| Gland Steam System | — | Improvement type | — | — | — |
| Overall Dimension above Operation Floor (L×W×H, m) | 8.7 × 6.96 × 3.5 | 8.0 × 7.7 × 3.4 | — | — | 8.0 × 7.7 × 3.4 |
| Total Weight of Turbine Proper (t) | 166 | — | — | — | 95 |
| Max. Lifting Weight during Installation (t) | 40 | — | — | — | 50 |
| Surface of Condenser (m²) | 3500 | — | 3500 | — | 10000 |
| Remarks |
| Model | STI-N50 |
|---|---|
| Capacity / Output | 50MW |
| Documentation | Available on request or through the anonymous brochure download. |
