TECHNICAL INFORMATION
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87-900-977-01(C)
•
Take off and change clothes or shoes on
which oil has been spilled.
•
Never put rags dripping with oil into the pock-
ets of your clothes.
When disposing of waste lubricants, observe the
following environment protection regulations:
•
The lubricants risk contaminating the water
and the ground! Therefore never pour lubricat-
ing products on to the ground, into water or in
the sewage system. All violations of these
rules are liable to persecution as provided for
by law. When using lubricants always keep an
oil can nearby.
•
Take care in draining off waste oils. In dis-
posal of these products respect all regulations
in force concerning waste oil disposal.
The recommended lubricating oil is the Varian Ro-
tary Vane Fluid DS31 Type. The Rotary Vane Fluid
DS31 Type is a general purpose mechanical pump
fluid specifically engineered to provide superior
performance in high speed direct drive mechanical
pumps.
These precisely distilled fluids (100% solvent re-
fined neutral paraffinic oil) deliver lower base pres-
sure capability, faster pump-down cycles, and
reduced maintenance requirements on both the
pump and the fluid.
It is absolutely necessary to continue using the lu-
bricants initially used to fill the tank. If this is not
possible for organizational or business reasons,
use only products with the same characteristics as
the previous oils.
Only use of lubricants of suitable quality will guar-
antee safe operation of the pumps.
CAUTION
Mineral oils and the PFPE oil are incompatible. To
change from one type to another, the pump must
be stripped down completely and all parts washed
carefully to eliminate all oil residues.
If you expect to have to use other lubricants, first
find out if the two products are compatible. In
cases of doubt, the lubricant used up to that time
must be flushed out by way of a pump flushing
procedure.
CAUTION
To avoid the risk of contaminating the oil, absolute
cleanliness of the pump and surrounding area
must be ensured during the lubrication proce-
dures.
Varian Rotary Vane Fluid DS31 Type characteristics
PROPERTY
UNIT OF
MEASURE
ROTARY VANE FLUID
DS31 Type
Vapour pressure @ 25 °C
Torr
<1x10
-6
Boiling point @ 0,01 torr
°C (°F)
159 (318,2)
Viscosity @ 40 °C
cSt (SUS)
37 (258)
Viscosity @ 100 °C
cSt (SUS)
5.9 (52,7)
Pour point
°C (°F)
-15 (+5)
Flash point
°C (°F)
233 (451)
Fire point
°C (°F)
269 (516)
Density @ 25 °C
g/ml
0.867
SCHEDULED MAINTENANCE
FREQUENCY
PUMP STATUS (*)
OPERATION
MONTHLY
R
OIL LEVEL CHECKING
TWICE YEARLY
S
CLEANING THE INLET FILTER
(*) R=RUNNING S=STOPPED
NOTE
When the pump is equipped with:
•
a filter for dust on the inlet side
•
a condensation separator on the inlet side
these items must also be maintained, by following the Manufacturer’s instructions.
