▪ Conditioned and neutral with regard to mechanical corrosion
▪ Inlet temperature t
inl
=10 to 30 °C
Outlet temperature t
outl
= 45 °C max.
6.1.7 Cooling of the bearing bracket (special design)
If the pump is permanently heated during standstill (above 185 °C) the bearing
bracket has to be cooled.
Observe the following values for cooling the bearing bracket:
▪ Cooling liquid pressure: 6 bar max.
▪ Cooling liquid quantities: see table below.
Table 12: Cooling liquid quantities for cooling the bearing bracket
Bearing bracket Cooling liquid quantity [l/min]
CS40 5
CS50 6
CS60 8
CS80 10
6.1.8 Heating (version "h")
The pump can also be heated, if necessary. The volute casing and the casing cover
have heating chambers. The heating chambers can be heated with hot water, steam
or thermal oil.
The following limits must be observed:
▪ Maximum temperature: 300 °C
▪ Maximum pressure: 20 bar
DANGER
Excessive surface temperature
Explosion hazard!
Risk of burns!
▷ Observe the permissible temperature classes.
CAUTION
Lack of heating medium
Damage to the pump!
▷ Provide sufficient quantities of a suitable heating medium.
CAUTION
Time for warming up the pump too short
Damage to the pump!
▷ Check that the pump is sufficiently warmed up throughout.
CAUTION
Impermissibly high temperature of the heating medium
Fluid or heating medium could escape!
▷ Observe the application limits of the heating media.
6 Commissioning/Start-up/Shutdown
36 of 74
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