Download - Calpeda

NM4, NMS4 60 Hz
H (m)
P (kW)
(%)
η
NPSH (m)
Characteristic curves n = 1750 rpm
0 Imp.g.p.m. 10 20 30 40 50
10
A Ø 143 50 55
60
8
H
m
6
4
2
m /h 3
0
0
0.4
Q
5 10
0
15
0.5
0.3
P
O.2
kW
B
A
0.4
P
0.3
HP
0.2
0.1
0.1
m /h 3
m /h 3
10
30
10
30
8
NPSH
6
m
4
NPSH
20
ft
8
NPSH
6
m
4
NPSH
20
ft
10
10
2
0 Q 5 10
72.553 15
2
0 Q
5 10
72.554
15
10
8
6
4
2
0
0
0
0,8
0,6
m /h
Q
l/min
5
100
10
200
15
300
20
400
A
0,4
0,2
0
80
60
40
20
6
4
2
0 U.S. g.p.m.
0
0
B Ø 131
0 0
0 U.S. g.p.m. 25 50 75 100
Q m /h
20 30 40 50 60
A∅
144
B∅
132
C∅
121
η 62.5%
NM4 40/16
3 25
3 5
10
15
20 72.555N 25
30
NM4 32/16 NM4 32/20
60
C
55
50
B
Close Coupled Centrifugal Pumps
with flanged connections
30
20
10
1
0
ft
0
0,8
0,6
0,4
0,2
10
25
20
15
10
5
0
H (ft)
P (HP)
NPSH (ft)
35
0 Imp.g.p.m. 10 20 30 40 50
20
15
H
m
10
5
A Ø 178
B Ø 170
m /h 3
0
0
0.8
0.6
P
0.4
kW
Q
5 10
B
0
15
1.0
A
0.8
P
0.6
HP
0.4
0.2
0.2
0 0
H
m
15
10
0 U.S. g.p.m.
A Ø 178
B Ø 168
35
20 30 40 50 60
40
45
η 52.5%
51.5
NM4 40/20
m /h 3
5
0
1.2
Q 4 8 12 16 20 24
1.0
A
1.5
P
B
kW
1
0.6
P
HP
0.4
0.5
0.2
6
NPSH
4
m
2
0 U.S. g.p.m. 20 40 60 80 100
0 Imp.g.p.m.
20
8
m /h 3
0
0
72.556
0 Q 4 8 12 16 20 24
50
20 40 60 80
45
50 52.5
55
57.5
50
η 58%
45
40
55
52.5
50
60
ft
50
40
30
20
10
60
ft
50
40
30
20
20
NPSH
10
ft
3