Separation Seals
Prevent oil from the compressor bearing from reaching the outboard gas seal and process gas from the outboard seal stage from entering the bearing housing.
Contact graphite separation seals prevent oil from the bearing chamber from entering the DGS cavity. A non-contacting design ensures reliable, long-term operation with reduced heat generation. Advanced materials and design minimise wear and extend service life.
| Parameter | Type 83 | Type 93FR |
| Size, mm | 40 to 375 | |
| Temperature, °С | −40 to 230 | |
| Peripheral speed, |
up to 130 | up to 130 |
| Operating pressure range, bar(g) | 0,2 to 1,0 | 0,2 to 1,0 |
| Normal separation-gas supply pressure, bar(g) | 0,3 to 0,5 | 0,05 to 0,1 |
| Gas | Nitrogen, air | Nitrogen, air |
| Vibration level | API 617 standard | API 617 standard |