API 611 and API 612 Steam Turbines
Shin Nippon Machinery mechanical drive and generator drive steam turbines for refining, petrochemical, fertilizer and power plants, supplied and serviced in North America by PPS.
Mechanical drive turbines (API 611)
The H series and the high output, high speed HO series are compact single stage horizontal turbines. The CC series handles high speed compressor drives, and the V series is a vertical design. They are the standard choice for driving pumps, compressors, blowers and fans in hydrocarbon plants.
Special purpose and generator turbines (API 612)
| Condensing, multistage axial exhaust | Below 100 MW |
|---|---|
| Back pressure, multistage | To 50 MW |
| Back pressure, single stage | To 25 MW, horizontal or vertical |
| Markets | Cogeneration, power, geothermal, combined cycle, refining and petrochemicals, fertilizer |
Shin Nippon Machinery also builds API 614 lube oil systems for complete trains.
Steam turbine questions
What is the difference between API 611 and API 612?
API 611 covers general purpose steam turbines, typically single stage drives for pumps, fans and small compressors. API 612 covers special purpose turbines for critical, high power or high speed service.
Do you repair steam turbines from other manufacturers?
Yes. Our shop services Shin Nippon Machinery, Elliott and Dresser steam turbines, along with the gearboxes they drive.
Send the steam conditions and driven equipment data. We return a selection or repair scope.