26 | 180R9264 | AQ115586503043en-000903
© Danfoss | 2023.03
Operating guide
Installation, Operation and Maintenance APP 11-13
8.1 Temperature
Fluid temperature:
Min. +2°C to max. +50°C
(Min. +35.6°F to max. +122°F)
Ambient temperature:
Min. +2°C to max. +50°C
(Min. +35.6°F to max. +122°F)
In case of lower operating temperatures, please
contact Danfoss High Pressure Pumps.operation
stop in order to minimize the risk of crevice
corrosion.
The chart below illustrates the corrosive resist-
ance of different types of stainless steel related to
NaCl concentration and temperature.
The APP water pump is made of Duplex and
Super Duplex.
If the water pump is operated above the Duplex
line, always flush water pump with fresh water at
operation stop in order to minimize the risk of
crevice corrosion.
8.
Temperature and
corrosion
316L
Super Duplex
80 º
C
70
60
50
40
30
20
100
160
1600
1000
16000
10 000
160000
100 000
CI -
ppm
NaCI
ppm
Duplex
NaCI vs. temperature
9. Installation
See example below on how to mount the pump
and connect it to an electric motor or combus-
tion engine (special coupling).
If alternative mounting is required. please
contact your Danfoss sales representative for
further information.
Note: Do not add any axial or radial loads to the
pump shaft.
A: Pump
B: Bell housing
C: Flexible coupling
D: Motor shaft
E: Motor
A
E
C
D
B
Data sheet