Fig. 3.1
Fig. 3.2
3.5.1 E-Tec Plus 28 Available Pump Head and Power Consumption
3.5.2 E-Tec Plus 33 Available Pump Head and Power Consumption
Alpha E-Tec Plus 28 and 33 - Technical Data
A+B = Head available with by-pass closed
B = Head available with by-pass open
C+D = Power consumed by the pump with by-pass open (dotted area)
D = Power consumed by the pump with by-pass closed (dotted area)
A+B = Head available with by-pass closed
B = Head available with by-pass open
C+D = Power consumed by the pump with by-pass open (dotted area)
D = Power consumed by the pump with by-pass closed (dotted area)
Pump electrical cons
umption (W)
0
10
20
30
40
50
60
70
Flow rate (l/h)
200
600
1000
1400
800
1200
1600
400
0
0
1
2
3
4
5
6
7
Head (m water)
Pump electrical cons
umption (W)
0
10
20
30
40
50
60
70
Flow rate (l/h)
200
600
1000
1400
800
1200
1600
400
0
0
1
2
3
4
5
6
7
Head (m water)
Speed 9
Speed 9
Speed 6
Speed 9
Speed 9
Speed 5
C
D
B
A
C
B
D
7