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
70
Sectional drawing, SP pump 8"
(SP 385S - 475S)
Fig. 65 SP pump, 8" (SP 385S - 475S)
Material specification
TM01 2359 2301
8a
11c
17
19
71
7
15
8b
14
18
12
4
6
13
72
11
3a
1d
3b
2
39
70
1
3
16
8
9
7
7
8
9
Pos. Component Materials
Standard
N
version
R
version
[AISI (EN)]
1 Valve casing Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
1d O-ring NBR
2 Valve cup Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
3 Valve seat
Standard/
N- version:
NBR
R-version:
FKM
3a
Lower valve
seat retainer
Stainless steel
316
(1.4401)
316
(1.4401)
904L
(1.4517)
3b
Upper valve
seat retainer
Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
4 Top chamber Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
6 Upper bearing
Stainless
steel/NBR
304
(1.4301)
316
(1.4401)
904L
(1.4539)
7 Neck ring NBR/PPS
8 Bearing NBR
8a
Washer for
stop ring
Carbon/
graphite
HY22 in PTFE
mass
8b Stop ring Stainless steel
316
(1.4401)
316
(1.4401)
904L
(1.4539)
9 Chamber Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
11 Split cone nut Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
11c
Nut for stop
ring
Stainless steel
316
(1.4401)
316
(1.4401)
904L
(1.4539)
12
Split cone 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
Stainless steel CF8M
A744
CD4-MCu
904L
(1.4517)
15 Strainer Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
16
Shaft
complete
Stainless steel
431
(1.4057)
329
(1.4460)
329
(1.4460)
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)
19 Nut for strap Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
39
Spring for
valve cup
Stainless steel
304
(1.4301)
316
(1.4401)
SAF
2205
70 Valve guide Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)
71 Washer Stainless steel
316
(1.4401)
316
(1.4401)
904L
(1.4539)
72 Wear ring Stainless steel
304
(1.4301)
316
(1.4401)
904L
(1.4539)