Vacuum oil VM-1
vacuum oil
Description
VM-1 Vacuum oil is used as working fluid in the steam-high-high-vacuum pumps, may also be used in the mechanical pumps with oil seal. Due to the high hydrolytic stability oil VM-1 provides a long operating life of the vacuum equipment without an oil change. Vacuum oil VM-1 produced by OCT 38.01402-86 from low-sulfur or sulfur crudes with using multiple stages of vacuum distillation and thin deep cleaning, ensuring a high vacuum oil grade purity. Vacuum oil VM-1 may be replaced by vacuum oil VM-1c .
is used as the working fluid in the high-vacuum steam-pumps, can also be used in mechanical vacuum pumps with oil seal. The most important parameters for the operation are viscosity, the boiling point at a residual pressure of 0.01 Torr, vapor pressure at 20 ° C.
Technical Specifications
| Indicator | Norm |
|---|---|
| The color units. CNT, not more than | is not normalized |
| Kinematic viscosity, mm2 /s at 50 ° C plus | 60 – 70 |
| Flash point open cup, ° C, within | 230 – 260 |
| Pour Point, ° C, max | -12 |
| Mass fraction of mechanical impurities,% | The lack |
| The content of water-soluble acids and alkalis,% | The lack |
| Ash content,%, not more than | 0,01 |
| Vapor Pressure at 20 ° C, Pa (mm Hg), no more | 5,3? 10-6 |
| boiling temperature at which the vapor pressure is 1.33 Pa (1? 10-2 torr), ° C, within | 140 – 150 |
The vacuum oil is supplied ready for use in the form of cans of 208 l.
Additional information
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