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 curve charts and technical data
SQ, SQE, CU 331, and SP
17
98
4" and larger wells - continued
SP 77S (77 gpm) / 4 inch motor
Notes:
Control box is required for 3-wire, single-phase applications. Data does not include control box.
Performance conforms to ISO 9906. 1999 (E) Annex A. Minimum submergence is 2 feet.
Pump
model
Nom.
head
[ft]
Ph
Volts
[V]
Motor
[Hp]
Dimensions
Net weight
(complete)
[lb]
77S
ABCDE
TM06 4962 3415
[in. (mm)] [in. (mm)] [in. (mm)] [in. (mm)] [in. (mm)]
77S - Motor dia. 4 inch, 3 wire motor, 60 Hz, rated 77 gpm (2" NPT)
77S07-2 34
1230.75■ 28.35 (720) 13.08 (332) 15.28 (388) 3.75 (95) 3.98 (101) 29.7
3230.75■ 26.97 (685) 11.70 (297) 15.28 (388) 3.75 (95) 3.98 (101) 26.7
3460.75■ 26.97 (685) 11.70 (297) 15.28 (388) 3.75 (95) 3.98 (101) 26.7
3575.75■ 26.97 (685) 11.70 (297) 15.28 (388) 3.75 (95) 3.98 (101) 26.7
77S15-3 53
12301■ 33.47 (850) 15.24 (387) 18.23 (463) 3.75 (95) 3.98 (101) 36.8
3 230 1.5 ■ 31.89 (810) 13.67 (347) 18.23 (463) 3.75 (95) 3.98 (101) 33.3
3 460 1.5 ■ 31.89 (810) 13.67 (347) 18.23 (463) 3.75 (95) 3.98 (101) 33.3
3 575 1.5 ■ 31.89 (810) 13.67 (347) 18.23 (463) 3.75 (95) 3.98 (101) 33.0
77S20-4 73
12302● 40.75 (1035) 19.57 (497) 21.19 (538) 3.75 (95) 3.98 (101) 54.2
32302■ 36.42 (925) 15.24 (387) 21.19 (538) 3.75 (95) 3.98 (101) 38.8
34602■ 36.42 (925) 15.24 (387) 21.19 (538) 3.75 (95) 3.98 (101) 39.0
35752■ 36.42 (925) 15.24 (387) 21.19 (538) 3.75 (95) 3.98 (101) 38.8
77S30-6 112
12303● 49.81 (1265) 22.72 (577) 27.09 (688) 3.75 (95) 3.98 (101) 66.5
3 208-230 3 ● 45.08 (1145) 18.00 (457) 27.09 (688) 3.75 (95) 3.98 (101) 53.3
34603● 45.08 (1145) 18.00 (457) 27.09 (688) 3.75 (95) 3.98 (101) 53.3
77S50-8 152
12305● 59.65 (1515) 26.66 (677) 33.00 (838) 3.75 (95) 3.98 (101) 81.1
3 208-230 5 ● 55.71 (1415) 22.72 (577) 33.00 (838) 3.75 (95) 3.98 (101) 70.1
34605● 55.71 (1415) 22.72 (577) 33.00 (838) 3.75 (95) 3.98 (101) 70.1
E = Maximum diameter of
pump including cable
guard and motor.
77S50-10 191
12305● 65.56 (1665) 26.66 (677) 38.90 (988) 3.75 (95) 3.98 (101) 84.6
3 208-230 5 ● 61.62 (1565) 22.72 (577) 38.90 (988) 3.75 (95) 3.98 (101) 73.6
34605● 61.62 (1565) 22.72 (577) 38.90 (988) 3.75 (95) 3.98 (101) 73.6
77S75-12 230
3 208-230 7.5 ● 71.46 (1815) 26.66 (677) 44.81 (1138) 3.75 (95) 3.98 (101) 88.1
3 460 7.5 ● 71.46 (1815) 26.66 (677) 44.81 (1138) 3.75 (95) 3.98 (101) 88.1
3 575 7.5 ● 71.46 (1815) 26.66 (677) 44.81 (1138) 3.75 (95) 3.98 (101) 88.1
77S75-15 289
3 208-230 7.5 ● 80.32 (2040) 26.66 (677) 53.67 (1363) 3.75 (95) 3.98 (101) 93.4
3 460 7.5 ● 80.32 (2040) 26.66 (677) 53.67 (1363) 3.75 (95) 3.98 (101) 93.4
3 575 7.5 ● 80.32 (2040) 26.66 (677) 53.67 (1363) 3.75 (95) 3.98 (101) 93.4
77S100-17 329
3 460 10 ● 90.16 (2290) 30.60 (777) 59.57 (1513) 3.75 (95) 3.98 (101) 105.7
3 575 10 ● 90.16 (2290) 30.60 (777) 59.57 (1513) 3.75 (95) 3.98 (101) 105.7
77S10
0-20 388
3 460 10 ● 99.02 (2515) 30.60 (777) 68.43 (1738) 3.75 (95) 3.98 (101) 111.0
3 575 10 ● 99.02 (2515) 30.60 (777) 68.43 (1738) 3.75 (95) 3.98 (101) 111.0
■ MS 402 motor.
● MS 4000 motor.
NPT