N4
60 Hz
Characteristic curves - Curvas Características
n ≈ 1750 rpm
0
U.S. g.p.m.
300
0 Imp.g.p.m. 300
600
900
1200
1500
1200
0 U.S. g.p.m. 400
0 Imp.g.p.m.
400
800
1200
800
1600
1200
25
80
40
600
900
A Ø 288
B Ø 271
C Ø 258
65
70
75
NNM4S142152-351/3515
η 78%
75
70
65
A Ø 233
C Ø 203
D Ø 189
E Ø 175
60
65
70
B Ø 217
75
NMN(4S)142152-255/2050
η 78%
75
70
65
60
H
H
120
ft
100
80
60
40
400
m
20
15
10
5
0
20
70
m
ft
60
30
Q m
3
/h
100
200
50
40
30
20
300
360
20
10
40
0
Q m
3
/h
100
200
300
A
C
B
16
P
P
P
P
E
D
B
C
A
30
HP
20
10
kW
20
10
20
40
kW
8
HP
4
0
0
0
0
8
10
30
6
2
0
8
NPSH
NPSH
NPSH
NPSH
4
f
t
6
20
m
1
0
m
2
4
0
0
2
ft
10
72.575
400
0
Q m
3
/h
100
0
U.S. g.p.m.
300
0 Imp.g.p.m. 300
200
900
300
72.574
360
0
Q m
3
/h
100
200
300
600
1200
1500
1200
600
900
A Ø 354
60
65
NNM4S412152-54/0400
70
B Ø 333
η 73%
C Ø 318
70
65
60
H
m
50
40
30
60
P
40
kW
20
200
180
160
140
ft
120
100
0
Q m
3
/h
100
200
300
80
360
80
60
P
40
HP
20
A
B
C
0
0
10
30
8
NPSH
NPSH
ft
6
20
m
4
2
72.576
10
360
0
Q m
3
/h
100
200
300
80
