Product Manual
Table Of Contents
- 1. SQ, SQE introduction
- 2. SQ, SQE applications
- SQ with pressure switch and pressure tank
- Constant-pressure control with CU 301, residential water supply
- Constant-pressure control with CU 301, irrigation
- Maintaining a constant water table
- Emptying or filling a tank
- Pumping from one tank to another
- Setting of operating parameters
- SQE with manual speed control
- 3. Performance range
- 4. SQ, SQE installation
- 5. Sizing and selection
- 6. Cable sizing
- 7. SQ, SQE curve charts
- 8. SQ, SQE technical data
- 9. SQ, SQE construction
- 10. CU331SP variable frequency drive
- 11. Accessories
- 12. SP introduction
- 13. SP product overview
- 14. SP construction
- 15. SP operating conditions
- 16. How to read the curve charts
- 17. SP curve charts and technical data
- 4" and larger wells
- SP 5S (5 gpm)
- SP 7S (7 gpm)
- SP 10S (10 gpm)
- SP 16S (16 gpm)
- SP 25S (25 gpm)
- SP 35S (35 gpm)
- SP 45S (45 gpm)
- SP 62S (62 gpm)
- SP 77S (77 gpm)
- 6" and larger wells
- SP 85S (85 gpm)
- SP 150S (150 gpm)
- SP 230S (230 gpm)
- SP 300S (300 gpm)
- 8" and larger wells
- SP 385S (385 gpm)
- SP 475S (475 gpm)
- 10" and larger wells
- SP 625S (625 gpm)
- SP 800S (800 gpm)
- SP 1100S (1100 gpm)
- 18. SP electrical data
- 19. Accessories
- 20. Energy consumption
- 21. Cables
- 22. Friction loss tables
- 23. Grundfos Product Center
SP curve charts and technical data
SQ, SQE, CU 331, and SP
17
116
8" and larger wells
SP 385S (385 gpm)
TM05 0251 1812
0 50 100 150 200 250 300 350 400 450 500 550
Q [US GPM]
0
50
100
150
200
250
300
350
400
450
500
550
[ft]
H
0 10 20 30 40 50 60 70 80 90 100 110
Q [m³/h]
0
20
40
60
80
100
120
140
160
[m]
H
385S
60 Hz, SF 1.15
ISO 9906 Annex A
-6-B (40 hp)
-5 (40 hp)
-5-BB (30 hp)
-4 (30 hp)
-4-B (25 hp)
-3 (25 hp)
-3-A (20 hp)
-2 (18 hp)
-2-BA (10 hp)
-1 (7.5 hp)
0 50 100 150 200 250 300 350 400 450
Q [US GPM]
0
10
20
30
40
[ft]
H
0
20
40
60
80
[%]
Eff
0
4
8
12
[m]
H
NPSH
Eff