Danfoss APP 46 Installation, Operation And Maintenance Manual page 28

Operating guide
7. Motor requirements
28 | 180R9407 | AQ274347577038en-000902
Installation, Operation and Maintenance APP 21-46 pumps
The power requirements can be determined using one of the following guiding equations:
l/min x barg
Required power =
Calc. factor
1 hp = 0.75 kW
1 gpm = 3.79 l/min
1 m 3 /h = 4.40 gpm
1 kW = 1.34 hp
1 l/min = 0.26 gpm
1 gpm = 0.23 m 3 /h
7.6 Calculation factor for APP 21-46
Name rpm
APP 21 1200
APP 21 1500
APP 24 1200
APP 24 1500
APP 26 1200
APP 26 1500
APP 30 1200
APP 30 1500
APP 38 1500
APP 46 1780
16.7 x m 3 /h x barg
[kW] or
Calc. factor
Calculation
factor
543
531
547
537
543
534
545
540
541
537
0.´35 x gpm x psig
[kW] or
Calc. factor
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