Typical Physical Characteristics
|
Valvata |
|
680 |
1000 |
|
|
|
|
|
||
|
ISO Viscosity grade |
|
|
680 |
1000 |
|
Kinematic Viscosity |
|
ASTM D 445 |
|
|
|
at 40°C |
|
680 |
1000 |
|
|
mm2/s |
|
|||
|
at 100°C |
mm2/s |
|
37,1 |
40,6 |
|
Viscosity Index |
ISO 2909 |
80 |
70 |
|
|
Density at 15°C kg/m3 |
ASTM D 4052 |
909 |
929 |
|
|
Flash Point COC °C |
ISO 2592 |
270 |
310 |
|
|
Pour Point °C |
ISO 3016 |
-6 |
-6 |
|
Grade Selection
|
Lubricant Application |
|
Shell Grade |
Remarks |
||
|
Cylinders |
|
|
|
|
|
|
Steam Temperature |
|
|
Horsepower |
|
*Compounded oil should not be |
|
Up to 315°C |
|
|
Up to 500 |
Valvata or Vitrea Oils |
used where separation from the |
|
Up to 300°C |
|
|
Up to 1500 |
Valvata or Vitrea Oils |
condensate is important |
|
Saturated or wet steam |
Over 500 |
Valvata Oils J* |
|
||
|
up to 220°C |
|
|
|
|
|
|
Bearings |
|
|
|
|
|
|
Open crankcase engines |
|
Vitrea Oils |
# More viscous grades with more |
||
|
Enclosed crankcase engines |
|
Turbo Oils T# |
powerful engines |
||
Application
- Steam cylinder lubrication.
- Industrial gears where the use of high viscosity ‘straight’ grades are recommended.
- Low speed enclosed gears.