SIEMENS SST-400 Steam Turbine – Combined-Cycle Ready - 2011

The SIEMENS SST-400 is a robust industrial steam turbine engineered for high-performance applications in combined-cycle and cogeneration power plants. Designed with radial-outflow technology and multi-stage efficiency optimization, the SST-400 provides flexible, reliable operation across a wide load range from 40% to 100%.

Manufactured in 2011, this turbine is suitable for single-shaft or multi-shaft configurations and supports both air and water cooling systems based on site requirements. With thermal efficiency reaching 38–42% in simple cycle and over 60% in combined-cycle mode, it is ideal for power producers seeking maximum energy output and operational adaptability.

Built with high-performance materials to endure extreme temperatures and pressures, the SST-400 offers a fast start-up window of 10–20 minutes, making it suitable for load-following roles. Its compact footprint and proven reliability make it a preferred choice for modern industrial and utility-scale energy systems.

Specifications:

– Model: SIEMENS SST-400
– Manufacturer: Siemens
– Year of Manufacture: 2011
– Equipment Type: Industrial steam turbine (radial-outflow, multi-stage)
– Rated Output: Varies by configuration (typically 50–150 MW range)
– Frequency: 50 Hz / 60 Hz (depending on system setup)
– Fuel Type: Utilizes steam from gas turbine exhaust (in combined-cycle systems)
– Cooling System: Air-cooled or water-cooled
– Lubrication: Forced oil system
– Control System: Digital turbine control system
– Thermal Efficiency (Simple Cycle): 38–42%
– Combined Cycle Efficiency: >60%
– Start-up Time: 10–20 minutes
– Load Range: 40–100%
– Load Following Capability: Yes
– Construction: High-performance alloy turbine blades and components
– Dimensions (L x H): Approx. 6–10 m (length) x 4–5 m (height)
– Weight: 60–80 tons (configuration dependent)
– Power Applications: Combined-cycle plants, cogeneration, industrial utility plants
– CHP Capability: Yes – supports combined heat and power applications
– Quantity Available: 8 unit
– Delivery: Available immediately

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