MGH
Horizontal Multistage Pumps
Characteristic curves n = 1450 1/min
H [m]
H [m]
MGH4 150
60
1450 1/min
55
MGH4 200
80
50 45
Impeller b
40
70
Impeller b
60
Impeller c
50
Impeller c
35
1450 1/min
Impeller a
Impeller a
30
40
25 30
20 15
20
10
10
5 0
0
NPSH [m] 8 6 4
NPSH 8 [m] 6 4
2
2 100
200
300
400
[%]
80
50
[m 3 /h]
200
300
400
500
600
700
80
a
70 60
Q
500
70
b
[%]
Q
[m 3 /h]
c
a b
60
c
50
40
40
Required drive motor power may be calculated by using the formula:
202
P (kW) =
Q (m3/h) x H (m) x 367 x
(kg/dm3)
x safety factor