NR4
60 Hz
Characteristic curves - Curvas Características
n ≈ 1750 rpm
0 U.S. g.p.m.
0 Imp. g.p.m.
100
200
300
0
U.S. g.p.m.
100
0 Imp.g.p.m. 100
200
300
400
500
400
10
8
H
m
6
4
2
30
16
14
12
10
8
50
100
200
200
300
A Ø 183
B Ø 174
C Ø 164
50
55
60
67.5
65
η 70%
NR4 125
65
60
55
A Ø 150
B Ø 140
C Ø 130
50
55
60
65
6 8
67.5
η 69%
NR4 100
65
60
55
25
ft
ft
20
15
10
5
40
30
6
20
H
m
2
10
0
0
0
0
0
Qm
3
/h
20
40
60
80
0 Qm
3
/h20
2
5
2.5
1.5
2
4
40
60
80
100
120
6
P
A
B
C
A
B
C
P
P
P
HP
1
1.5
3
HP
kW
1
kW
4
3
2
72.595
120
0.5
0.5
2
0
0
1
0
Q m
3
/h
20
40
60
72.594
80
105
0 Q m
3
/h 20
40
60
80
100
