The STF-G220 features a horizontal steam inlet, a hot end drive and axial exhaust, to facilitate a floor level installation. Its lightweight transport frame simplifies transport and installation, while the panting plate support eliminates the need for a spring foundation
The STF-G220 steam path can be fitted with up to 7 stages to accommodate a wide range of geothermal steam conditions. It can also be re-staged without rotor machining in order to adapt to deteriorating resource quality.
Critical areas are protected by surface hardening, stellite plating, and surface coating to mitigate stress corrosion risks and ensure long parts life even under harshest conditions.
Specifications shown are for 50 Hz and 60 Hz.
|Main Steam||16 bar (230 psig) 360 °C (680 °F)|
|Output||≤ 50 MW|
|Maximum Backpressure||≤ 300 mbar (8.9 in. Hg)|
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