Simple & efficient
The lowest costs :
- Only 2 connecting rods and associated bearings.
- Only 2 crosshead assemblies. Few parts.
- No Piston Rod packing on 3rd stage. Eliminates sealing against high pressure.
- Single acting 2nd & 3rd stages, requiring less valves.
- Heaviest stage is vertical, giving less wear.
- Lighter 2nd & 3rd stages are horizontal, optimizing piston ring life.
Costs savings:
|
|
|