Interpump Group KTR Serie Manuel D'utilisation Et D'entretien page 29

In any case the oil must be changed at least once
a year, as it is degraded by oxidation.
For a room temperature other than between 0°C - 30°C, follow
the instructions in the following diagram, considering that oil
must have a minimum viscosity of 180 cSt.
Viscosity / Room Temperature diagram
mm /s = cSt
2
The used oil must be poured unto a suitable container and consigned to an authorized recycling center.
Do not release used oil into the environment under any circumstances.
7.7 Temperature of outer surfaces
Attention: In relation to the application, use and environmental conditions, during the operation the outer surfaces of
the pump may reach high temperatures.
Therefore we recommend to take precautions to avoid contact with hot parts.
8 PORTS AND CONNECTIONS
KT - KTR - KTB - W - WK LOW-PRESSURE version pumps (see
Fig. 4) are equipped with:
 2 "IN" inlet ports 1" 1/4 Gas.
Line connection to any of the two ports is indifferent for
proper pump functioning. The unused ports must be
hermetically closed.
 2 "OUT" outlet ports 1" Gas.
Ambient temp. (°C)
29
Fig. 4