Pump Performance Curves
110
100
90
80
70
60
50
40
30
20
10
0
0
10
20
WhisperFlo
High Performance Pump
®
D
C
B
A
30
40
50
60
70
80
WATER FLOW RATE IN US GALLONS PER MINUTE
Curve
A
WFDS-3, WFDS-24
B
WFDS-4, WFDS-26
C
WFDS-6, WFDS-28
D
WFDS-8, WFDS-30
E
WFE-2, WF-2, WF-23, WFK-2
F
WFE-3, WFE-24, WF-3, WF-24,
WFK-3, WFDS-3, WFDS-24
G
WFE-4, WFE-26, WF-4, WF-26,
WFK-4, WFDS-4, WFDS-26
H
WFE-6, WFE-28, WF-6, WF-28,
WFK-6, WFDS-6, WFDS-28
I
WFE-8, WFE-30, WF-8, WF-30,
WFK-8, WFDS-8, WFDS-30
J
WFE-12, WF-12, WFK-12
WHISPERFLO
H
G
F
E
90
100
110
120
130
140
Model
High Performance Pump Installation and User's Guide
®
J
I
150
160
170
180
9