Xylem Bell & Gossett NRF-25 - Page 16

100
(kPa) (M) (FT)
50
0
10
5
0
0
0 10 20 30 40 50 60
015
3210
40
30
20
10
0
(gpm)
(m3/hr )
(l/s)
CENTRIFUGAL PUMP SERIES NRF-36
SPEED 1
SPEED 3
SPEED 2
Figure 6: Centrifugal pump series NRF-25 with check valve
100
(kPa) (M) (FT)
50
0
10
5
0
0
0 10 20 30 40 50 60
015
3210
40
30
20
10
0
(gpm)
(m3/hr)
(l/s)
CENTRIFUGAL PUMP SERIES NRF-36
SPEED 1
SPEED 3
SPEED 2
Figure 7: Centrifugal pump series NRF-25 without check valve
Commissioning, Startup, Operation, and Shutdown
14 NRF
™
-25,36,45/NBF
™
-25,36, and 45 Circulator Installation, Operation, and Maintenance Manual