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 construction
SQ, SQE, CU 331, and SP
14
68
Sectional drawing, SP pump 4"
smooth shaft
(SP 35S - 77S)
Fig. 63 SP pump, 4" smooth shaft (SP 35S - 77S)
Material specification
TM06 1110 1614
Pos. Component Material
Standard N-version R-version
[AISI (EN)]
1 Valve casing
Cast
stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
2Valve cup
Cast
stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
3 Valve seat NBR-FKM NBR-FKM NBR-FKM NBR-FKM
7 Neck ring
TPU/PPS
-FKM
TPU/
PPS-FKM
TPU/
PPS-FKM
TPU/
PPS-FKM
8 Bearing LSR-FKM LSR/FKM LSR/FKM LSR/FKM
8a
Washer for
stop ring
Carbon/
graphite
HY22 in
PTFE
mass
9 Chamber
Stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
13 Impeller
Stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
14
Suction
interconnector
Cast
stainless
steel
304
(1.4308)
316
(1.4408)
904L
(1.4517)
16 Shaft complete
Stainless
steel
1.4057 1.4460 1.4462
17 Strap
Stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
18 Cable guard
Stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
Strainer
Stainless
steel
304
(1.4301)
316
(1.4401)
904L
(1.4539
)