Description
Vacuum oil VM-1c is used as a working fluid in a steam-high vacuum pumps, mechanical vacuum pump with an oil seal. The most important parameters for the operation of VM-1c are vacuum oil viscosity, the boiling point at a residual pressure of 0.01 Torr, vapor pressure at 20 ° C.
Applications
Vacuum oil VM-1C is used as a working fluid in a steam-high vacuum pumps, mechanical vacuum pump with an oil seal.
Benefits
-
It improves the sealing of the working chambers;
Reduces power losses due to friction;
The optimum viscosity for each case;
sufficiently low vapor pressure (it depends on the volatility of oil and achievable degree of vacuum);
Environmental security;
High hydrolytic stability upon evacuation of vapors and air;
Small gazorastvorimost.
Technical Specifications
Indicator | Norm |
---|---|
Density at 20oC, g /cm3, not more than | 0.87
|
Color, units of CNT, not more than | colorless.
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Kinematic viscosity at 50 ° C, mm 2 /s, not less than | 35
|
Flash point in open crucible, oC: | 243
|
Pour point, oC, not more than: | N /A
|
The water content,%: | no
|
Mass fraction of mechanical impurities,%: | no
|
The content of water-soluble acids and alkalis,%: | no
|
Ash content,%, not more than | 0.01
|
Vapor pressure at 20 ° C, Pa (mm Hg), no more than | 5.3h10-6 (4.0h10-8)
|
boiling temperature at which the vapor pressure is 1.33 Pa (1.1 10-2 Torr?), OC: | 140-150
|
Additional information
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