25
C AUTION
Failure to use or incorrect use of auxiliary connections (e.g. barrier fluid, flushing liquid,
etc.)
Malfunction of the pump!
Refer to the general arrangement drawing, the piping layout and pump
markings (if any) for the dimensions and locations of auxiliary connections.
Use the auxiliary connections provided.
DANG E R
Risk of potentially explosive atmosphere due to insufficient venting
Make sure the space between the casing cover/discharge cover and the bearing
cover is sufficiently vented.
Never close or cover the perforation of the bearing bracket guards (e.g. by
insulation).
WAR NING
The volute casing and casing/discharge cover take on the same temperature as the fluid
handled
Risk of burns!
Insulate the volute casing.
Fit protective equipment.
C AUTION
Heat build-up in the bearing bracket
Never insulate the bearing bracket, bearing bracket lantern and casing cover.
Explosion hazard!
Damage to the bearing!
Fig. 9: Temperature correction coefficients
5.4.3 Auxiliary connections
5.5 Protective equioment
1.00
0.75
0.80
0.85
0.90
0.95
0.50
0.55
0.60
0.65
0.70
400
350
300
250
200
150
120
GGG-40
GG-25
1.4408
°C
Correction coefficient
5 Installation at Site