180R9346 | AQ240486503020en-001702 | 29
© Danfoss | 2023.03
Operation guide
Installation, Operation and Maintenance APP 53-92 pumps
The power requirements can be determined using one of the following guiding equations:
7.
Motor requirements
l/min x barg
16.7 x m
3
/h x barg
0.35x gpm x psig
Required power =
[kW] or
[kW] or
Calc. factor
Calc. factor
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
Name
rpm
Calculation
factor
APP 53
1500
528
APP 65
1500
534
APP 78
1500
534
APP 86
1700
528
APP 92
1780
522
7.1 Calculation factor at 60 barg / 870 psig for APP 53-92
6.
Flushing valve curves
6.1 APP 53-92 integrated flushing valve
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
10
0
20
0
30
0
40
0
50
0
60
0
Pressure [barg]
Flow [l/min]
[Hp]