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
71
Sectional drawing, SP pump 10"
(SP 625S - 1100S)
Fig. 66 SP pump, 10" (SP 625S - 1100S)
Material specification
TM01 2363 2701
17
19
15
9
14
12
11
8
13
72
6
5
3a
1d
3b
2
39
70
1
3
18
7
16
9
4
72
13a
13
13b
Pos. Description Material
Standard
N
version
[AISI (EN)]
Valve casing
1 Valve casing Stainless steel
304
(1.4301)
316
(1.4401)
1d O-ring NBR
2 Valve cup Stainless steel
304
(1.4301)
316
(1.4401)
3 Valve seat Stainless steel
304
(1.4301)
316
(1.4401)
3a
Lower valve seat
retainer
Stainless steel
304
(1.4301)
316
(1.4401)
3b
Upper valve seat
retainer
Stainless steel
304
(1.4301)
316
(1.4401)
39 Spring for valve cup Stainless steel
301
(1.4310)
316
(1.4401)
70 Valve guide Stainless steel
304
(1.4301)
316
(1.4401)
78 Nameplate Stainless steel
304
(1.4301)
316
(1.4401)
79 Rivet Stainless steel
304
(1.4301)
316
(1.4401)
63 Connecting piece Stainless steel
304
(1.4301)
316
(1.4401)
Chamber stack
4 Top chamber Stainless steel
304
(1.4301)
316
(1.4401)
5 Upthrust disc
Carbon/
graphite HY22
in PTFE mass
6 Top bearing
Stainless steel/
NBR
304
(1.4301)
316
(1.4401)
7 Neck ring NBR/PPS
8Bearing NBR
9 Chamber Stainless steel
304
(1.4301)
316
(1.4401)
11 Nut for split cone Stainless steel
304
(1.4301)
316
(1.4401)
12 Split cone Stainless steel
304
(1.4301)
316
(1.4401)
13 Impeller Stainless steel
304
(1.4301)
316
(1.4401)
16 Shaft with coupling Stainless steel
431
(1.4057)
329
(1.4460)
18
Cable guard Stainless steel
304
(1.4301)
316
(1.4401)
18a,
18b
Screw for cable
guard
Stainless steel
304
(1.4301)
316
(1.4401)
23 Rubber guard NBR
72 Wear ring Stainless steel
304
(1.4301)
316
(1.4401)
Suction interconnector
14
Suction
interconnector
Stainless steel
304
(1.4301)
316
(1.4401)
15 Strainer Stainless steel
304
(1.4301)
316
(1.4401)
17 Strap Stainless steel
304
(1.4301)
316
(1.4401)
19 Nut for strap Stainless steel
304
(1.4301)
316
(1.4401)
19a Nut Stainless steel
316
(1.4401)
316
(1.4401)
20 Motor cable
22 Bolts Stainless steel
316
(1.4401)
316
(1.4401)
28,
28a
Lock for strainer Stainless steel
329
(1.4460)
329
(1.4460)