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Text | Spirax Sarco TR Steam MicroTurbine | 001
UK Issue 1
Spirax Sarco TR Steam MicroTurbine
The Spirax Sarco TR Steam MicroTurbine range generates electrical power via the function of steam pressure reduction. The solution allows you to generate and supplement your own electrical demands by harnessing the energy released by the resulting pressure drop.
The generated electrical power is primarily used for local plant consumption; however, any excess can be supplied back to the grid. Features include;
- Suitable for saturated or superheated steam
- Compact design makes retrofitting into existing steam plant possible
- Supplied fully assembled and tested – ready to install
Typically installed in parallel to a steam pressure reducing station, up to 700 kW* of electrical power can be produced – with the outlet steam still available for plant utilisation.
How does it work?
The TR MicroTurbine is specifically designed for use in steam systems. Coupled to a matching electrical generator, electricity is produced as steam turns the turbine blades.
The back-pressure turbine will convert the required amount of energy to lower the steam pressure, so the steam emerging on the downstream side can still be used by the process.
Available range Unit
* Larger outputs are available on request
Power output Turbine speed Generator speed Voltage
Max. electrical output*
150 kW 700 kW
up to 700 kW 15,000 rpm 3,000 rpm 415 V, 3 phase, 50 Hz
Dimensions (mm) HWL 1719 940 1895 2562 1480 2496
Steam pressure / temperature limits
Control valve by-pass Gland steam
Start-up valve inlet Sealing drainage Casing drainage Cooling inlet
DN80 PN40 DN200 PN16 DN15 PN40 DN15 PN40 DN25 PN40 DN15 PN16 DN15 PN40 G1”
DN150 PN40 DN250 PN40 DN15 PN40 DN25 PN40 DN25 PN40 DN25 PN40 DN25 PN40 G1”
Maximum inlet pressure Maximum outlet pressure Maximum operating temperature
39 bar g
5 bar g 420oC
89 bar g
13 bar g 550oC
Pipework connections (typical)
Connection TR100 TR320
Image | Spirax Sarco TR Steam MicroTurbine
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