1964 STAL-LAVAL (Stal-Laval Apparater AB / Turbin AB) Industrial multi-stage steam turbine

Turbine Type Industrial multi-stage steam turbine

Operating Mode Condensing turbine with surface condenser (extraction-capable)

Rated Output ~20 MW (as per inventory and inspection records)

Frequency 50 Hz

Rated Speed 3000 rpm (2-pole turbo-generator, confirmed by GTP generator docs)

Steam Pressure Class ~65 bar

Steam Temperature (Design)

High-temperature industrial class, approx. 480–520°C (era-correct, stress-relief at 560°C documented)

Blading System Curtis control stage, axial-flow and radial-flow blading with controlled extraction

Sealing System Labyrinth disc glands and shaft seals

Governing System Mechanical-hydraulic governing with pressure regulator, speed governor, solenoid-assisted load control

Protection Emergency stop valve, hydraulic trip system, overspeed protection

Main Valves Servo-operated emergency stop valve, steam governing valves, extraction reducing valve

Exhaust System Surface condenser, shell-and-tube type

Condenser Type Water-cooled surface condenser (shell & tube)

Generator Manufacturer STAL-LAVAL

Generator Series GTP series industrial turbo alternator

Generator Poles 2-pole

Cooling System (Generator) Radial-flow air ventilation with air filtration

Coupling Direct-coupled turbine-generator set

Quality & Inspection European third-party inspection, pressure testing, X-ray weld inspection (TÜV / Swedish Steam Authority)

Status of Data Specifications based on OEM manuals, certificates, inspection reports, and physical verification