Npsh; Q [L/S]; Eta - Grundfos CR Livret Technique

6
CR 120, 60 Hz
p H
[kPa] [m]
400
380
360
3500
340
320
3000
300
280
260
2500
240
220
2000
200
180
160
1500
140
120
1000
100
80
60
500
40
20
0 0
0
0
P2
[kW]
16
14
12
10
8
6
4
2
0
0
66
+ CR 120-5-2
+ CR 120-4-1
+ CR 120-3
+ CR 120-3-1
+ CR 120-2
+ CR 120-2-1
+ CR 120-2-2
+ CR 120-1
CR 120-5-2
10 20 30 40 50 60
5 10 15
10 20 30 40 50 60

NPSH

70 80 90 100 110 120
20 25 30
70 80 90 100 110 120
CR 120, 60 Hz
CR 120-5-2
+ CR 120-
ISO 9906:1999 Annex A
NPSH
[m]
10
8
6
4
2
0
130 140 150 Q [m³/h]
35 40

Q [l/s]

Eta

[%]
P2 1/1
80
Eta
70
P2 2/3
60
50
40
30
20
10
0
Q [m³/h]
130 140 150