Grundfos SP 7-3 Submersible Borehole Pump – 98699154 (1 x 240V, MS402/CSIR Motor)
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Grundfos SP 7-3 is a stainless-steel submersible borehole pump designed for pumping clean groundwater. It can be installed vertically or horizontally and is built with high corrosion resistance using stainless steel (EN 1.4301 / AISI 304). This pump carries drinking water approval and is fitted with a 0.55 kW MS402 motor.
The motor is a canned-type submersible motor offering good mechanical stability and high efficiency. It includes a sand shield, lip seal, water-lubricated journal bearings, and a volume compensating diaphragm. Suitable for liquid temperatures up to 40 °C. The motor is not fitted with a temperature sensor; if temperature monitoring is required, a Pt1000 sensor can be fitted. Motor is for direct-on-line (DOL) starting.
Suitable for:
- Domestic ground water intake
- Domestic water pressure boosting
- Ground water intake
Key Performance:
| Rated flow | 7 m³/h |
| Rated head | 13 m |
| Stages | 3 |
| Pump speed (data basis) | 2900 rpm |
Liquid:
| Pumped liquid | Water |
| Liquid temperature range | -15 .. 40 °C |
| Max liquid temp at 0.15 m/s | 40 °C |
| Selected liquid temperature | 20 °C |
| Density | 998.2 kg/m³ |
Technical:
| Shaft seal for motor | LIPSEAL |
| Approvals | CE, EAC, UKCA, SEPRO, MOROCCO |
| Drinking water approvals | ACS, DM174 |
| Curve tolerance | ISO9906:2012 3B |
| Motor version | T40 |
| Return valve | YES |
Materials:
| Pump | Stainless steel (EN 1.4301 / AISI 304) |
| Impeller | Stainless steel (EN 1.4301 / AISI 304) |
| Motor | Stainless steel (DIN W.-Nr. 1.4301) |
Installation:
| Maximum ambient pressure | 15 bar |
| Maximum operating pressure | 15 bar |
| Maximum outlet pressure | 1.9 bar |
| Type of connection | Rp |
| Size of connection | 1 1/2 inch |
| Motor diameter | 4 inch |
| Minimum borehole diameter | 105 mm |
Electrical Data:
| Motor type | MS402 |
| Motor type (1-phase) | CSIR |
| Motor flange design | NEMA |
| Rated power - P2 | 0.55 kW |
| Mains frequency | 50 Hz |
| Rated voltage | 1 x 240 V |
| Rated current | 5.5 A |
| Starting current | 400 % |
| Power factor (cos phi) | 0.74 |
| Rated speed | 2860 rpm |
| Start method | Direct-on-line (DOL) |
| Enclosure class | IP68 |
| Insulation class | B |
| Built-in motor protection | CONTACT |
| Thermal protection | Internal |
| Built-in temp. transmitter | No |
| Length of cable | 1.7 m |
| Power cable type | FLAT |
| Motor No. | 79243103 |
| Control box (prod. no.) | 96786467 |
Other Information:
| Minimum efficiency index (MEI) | ≥ 0.70 |
| Net weight | 13.8 kg |
| Gross weight | 14.9 kg |
| Shipping volume | 0.011 m³ |
| Environmental approvals | WEEE |
Product Identification:
| Product name | SP 7-3 |
| Product No. | 98699154 |
| EAN | 5712600107915 |
Documentation & Downloads:
| Document | Download |
|---|---|
| SP (Safety instructions) | 📄 Download PDF |
| SP A, SP - submersible pumps, motors and accessories (Data booklet) | 📄 Download PDF |
| SP accessories (Data booklet) | 📄 Download PDF |
| SP 17, 30, 46, 60, 77, 95, 125, 160, 215 (Illustrated instruction) | 📄 Download PDF |
| SP, SP A (Service kit Catalogue) | 📄 Download PDF |
| SP (Recommended spare parts) (Service Kit Catalogue) | 📄 Download PDF |