The oil was vacuum-6 BM (20L).

vacuum oil

SKU: 808087685 Category:

Description

Vacuum oil VM-6 – is well refined mineral oil used as the lubricating oil, and as a seal for reciprocating fore pumps. It used as the working fluid in the fore-vacuum reciprocating and rotary vane pumps. Oil VM-6 compared to BM-4 made oil has a narrower fractional composition, enhanced (3-4 fold) oxidative stability and moisture resistance, and less dependence of viscosity on temperature.

Applications

When using HMW-6 oil instead of BM-4 starting power the pump motor is reduced by about 30%, and the power consumed by the motor at a residual pressure is reduced to 10%.

Specifications


Indicator Norm
Density at 20 ° C, g /cm3, not more than
The color units. CNT, not more than 4,5
Kinematic viscosity mm2 /s:
at 20 ° C, not more than 220
at 50 ° C, not more than 40
at 100 ° C, not more than 8
Flashpoint, ° C:
COC is not normalized
in a closed crucible, not lower 216
Acid number, mg KOH /g, not more than
Coking ability,%, not more than
Pour Point, ° C, max -10
Stability against oxidation:
Acid number, mg KOH /g, not more than
increase in viscosity at 50 ° C, not more than 50
Fractional composition:
starting the distillation temperature, ° C, min 125
90% oil is distilled at a temperature, ° C, max 220
Water content,% The lack
Vapor pressure at 20 ° C, Pa, no more than 4,0? 10-4
Boiling point, ° C, at which the vapor pressure is 1.33 Pa

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