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Description
Oil B3V used in gas turbine engines, helicopter gearboxes and other equipment with oil temperature at the outlet from the engine to 200 ° C
Oil BeV – based on synthetic esters of pentaerythritol and fatty acids with additives complex
.
Applications
applied in gas turbine engines, helicopter gearboxes and other vehicles with an oil outlet temperature from the engine to 200 ° C. It has high lubricity. Disadvantage: precipitation pressure agent at low temperature operation due to oxidation, followed by dissolving the precipitate in the oil at 70-90 ° C
.
Specifications
Indicator | Norm |
---|---|
Appearance | Transparent liquid from light yellow to brown in color |
Kinematic viscosity mm2 /s: | |
at 100 ° C, at least | 5,0 |
at -30 ° C, no more than | 3500 |
at -40 ° C, no more than | 12500 |
at -54 ° C, no more than | – |
Temperature, ° C: | |
flash in the open crucible, not lower | 235 |
pour point, not higher than | -60 |
Acid number, mg KOH /g, not more than | 5,5 |
Content: | |
water-soluble acids, bases, solids, water | The lack |
thermooxidative stability, h (temperature, ° C) | 10 (200) |
Performance after oxidation: | |
Kinematic viscosity mm2 /s, not more: | |
at 100 ° C | 6,0 |
at -40 ° C | 20000 |
Change viscosity at 100 ° C, not more than | – |
Acid number, mg KOH /g | 0,7-2,0 |
Mass fraction of residue, insoluble in iso-octane,%, no more than | 0,11 |
Corrosion on plates g /m2: | |
Steel ShKh15 | The lack |
copper M1 and M2 | – |
Aluminum Alloy AK4 | The lack |
Coking ability,%, not more than | 0,45 |
Density at 20 ° C, kg /m3 | 990-997 |
Tribological characteristics on CHSHMT at (20 ± 5) ° C: | |
the critical load, N, not less than | 890 |
wear rate under axial load 196 N, not more than | – |
Additional information
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