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
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9. SQ, SQE construction
Materials of construction
SQ, SQE
TM04 7522 2110
Component Splined shaft
Valve casing Polyamide
Discharge chamber 304 stainless steel
Valve guide Polyamide
Valve spring 316LN stainless steel
Valve cone Polyamide
Valve seat NBR rubber
O-ring NBR rubber
Lock ring 310 stainless steel
Top bearing NBR rubber
Top chamber Polyamide
Guide vanes Polyamide
Impeller
Polyamide w/ tungsten
carbide bearings
Bottom chamber Polyamide
Neck ring TPU / PBT
Bearing Aluminum oxide
Suction interconnector Polyamide
Ring 304 stainless steel
Pump sleeve 304 stainless steel
Pressure equalization
cone
Polyamide
Spacer Polyamide
Sand trap 316 stainless steel
Shaft w/coupling 304 stainless steel
Cable guard 304 stainless steel
Discharge sizes:
1" NPT 5 SQ/SQE
1 1/4" NPT 10-15 SQ/SQE
1 1/2" NPT 22-30 SQ/SQE