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
SQ, SQE construction
SQ, SQE, CU 331, and SP
9
28
SQ, SQE material specification
Pump
Pos. Component Material
DIN W-Nr.
SQ/SQE
AISI
1 Valve casing Polyamide 1.4301 304
1a Discharge chamber Stainless steel
1d O-ring NBR rubber
2 Valve cup Polyamide
3 Valve seat NBR rubber
4a Empty chamber Polyamide
6 Top bearing NBR rubber
7 Neck ring TPU / PBT
7a Lock ring
Stainless spring
steel
1.4301 310
7b Neck ring retainer Polyamide
9b Chamber top Polyamide
9c Chamber bottom Polyamide
13
Impeller with tungsten
carbide bearing
Polyamide
14 Suction inter-connector Polyamide
14a Ring Stainless steel 1.4301 304
16 Shaft with coupling
Stainless steel 1.4301 304
Sintered steel
18 Cable guard Stainless steel 1.4301 304
18a
18b
Screws for cable guard Stainless steel 1.4301 316
30
Cone for pressure
equalization
Polyamide
32 Guide vanes Polyamide
39 Spring
Stainless spring
steel
1.4406 316LN
55 Pump sleeve Stainless steel 1.4301 304
64 Priming screw Polyamide
70 Valve guide Polyamide
86 Lip seal ring NBR rubber
87
Cone for pressure
equalization complete
Polyamide / NBR
rubber
TM01 2745 2010
Motor
Pos. Component Material
DIN W-Nr.
SQ-SQE
AISI
201 Stator Stainless steel 1.4301 304
202 Rotor Stainless steel 1.4301 304
202a Stop ring PP
202b Filter Polyester
203 Thrust bearing Carbon
205 Radial bearing
Ceramic tungsten
carbine
220 Motor cable with plug EPR
222a Filling plug
MS 3: NBR
MSE 3: FKM
224 O-ring FKM
225 Top cover PPS
232 Shaft seal
MS 3: NBR
MSE 3: FKM
Motor liquid SML-2
1d
7a
1
70
2
39
3
1a
55
16
30
86
87
64
18
18b
18a
6
4a
9b
32
13
9c
7
14
14a
7b
202a
202
202b
222a
232
203
224
205
225
201
220