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180R9265 / IOM APP 16-22 Appendices - v02 / 01.2013
Data sheet APP 16-22
t Available as ATEX certied. Category 2,
zone 1 and category 3, zone 2.
t Available with material certicates on
wetted parts
For more details on the variants, please contact
the Danfoss RO Solutions Sales Organisation
4. Variants
5. Flow at dierent rpm When using the diagrams shown below, it is easy
to select the pump which ts the application
best if the ow required and the rotation speed
(rpm) of the pump are known.
5,00
8,00
11,00
14,00
17,00
20,00
23,00
700 800 900 1000 1100 1200
m3/h
rpm
1200 rpm version
APP 22
APP 19
APP 17
APP 16
5,00
8,00
11,00
14,00
17,00
20,00
23,00
700 800 900 1000 1100 1200 1300 1400 1500
m3/h
rpm
1500 rpm version
APP 22
APP 19
APP 17
APP 16
Furthermore, these diagrams shows that the ow
can be changed by changing the rotation speed
of the pump. The ow/rpm ratio is constant, and
the “required “ ow can be obtained by changing
the rotation speed to a corresponding value.
Thus, the required rpm can be determined as:
Required ow × Rated rpm
Required rpm =
Rated ow
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