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Oil for Ship’s Gas Turbines |
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All-Union Stat Standards 10289-79 The Oil for Ship’s Gas Turbines is utilized for cooling reducers and bearings of ship’s gas turbines.
Guarantee period of storage – 5 years from the day of manufacture. Index Name | Oil for Ship’s Gas Turbines | Kinematic viscosity, mm²/s: |
| - at 50°С | 7,0–9,6 | - at 20°С, not more than | 30 | Viscosity index, not less than | 40 | Acid number, mg KON/g, not more than | 0,02 | Temperature, °С: |
| - flash temperature in a closed crucible, not lower than | 135 | - solidification temperature, not higher than | −45 | Fraction of total mass, %, not more than: |
| - mechanical impurities | None | - water | None | | - water-soluble acids and alkalis | None | Ash level, %, not more than | 0,005 | Sodium test, absorbance (ditch of 10 mm), not more than | 2 | | Transparency of the oil without additives at 5°С | Transparent | Colour, units of CNT, not more than | 1,5 | Stability against oxidation, %, not more than: |
| - acid number after oxidation, mg KON/g | 0,65 | - sediment after oxidation, % | 0,20 | Density at 20°С, kg/m³, not more than | 905 |
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