Grundfos SP 7-51R Submersible pump in stainless steel 98703905
Nominal volumetric flow: 7 m³/h | Rated current: 18.4-18.8-19.6 A | Max. medium temperature: 40 °C Max. media temperature: 40 °C | Nominal head: 235 m | Pump speed on which the pump data are based: 2900 1/min
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Grundfos 98703905 Stainless steel submersible pump SP 7-51R
Product Number: 98703905
EAN number: 5712600193109
Stainless steel submersible pumps for installation in 4", 6", 8" and 10" wells for pumping groundwater with motor ratings from 0.37 to 250 kW. Submersible pump for pumping clean water. For vertical or horizontal installation, e.g. in wells. All steel parts made of high-quality, corrosion-resistant stainless steel 1.4539 (AISI 904L). Without drinking water approval. The pump is equipped with a 7.5 kW MS4000 motor with sand deflector, mechanical seal, water-lubricated bearing journals and volume-compensating diaphragm. Robust, efficiency-optimised submersible motor with can. Suitable for media temperatures up to 40 °C.
Accessories
No installation set |
Tech. Details
| Product information | ||
| Product Information | type | Stainless steel submersible pump |
| Product number |
98703905 | |
| Product name |
SP 7-51R | |
| EAN number |
5712600193109 | |
| Electrical data |
Motor type | MS4000 |
| Motor usage | NEMA | |
| Engine rated power P2 | 7.5 kW | |
| Power requirement (P2) of the pump | 7.5 kW | |
| Net frequency | 50 Hz | |
| Dimensioning voltage | 3 x 380-400-415 V | |
| rated current | 18.4-18.8-19.6 A | |
| Start-up current | 490-530-550 % | |
| Power Factor Cos phi | 0.83-0.78-0.72 | |
| rated speed | 2830-2850-2870 1/min | |
| Protection class (according to IEC 34-5) | IP68 | |
| Heat class (IEC 85) | F | |
| Integrated motor protection | none | |
| Temperature protection | external | |
| Built-in temperature sensor | Yes | |
| Motor - Product number | 79195612 | |
| Motor winding | Enamelled | |
| Installation |
Connection discharge nozzle | Rp1 1/2 |
| Motor diameter | 4 inch | |
| Technical data |
Pump speed on which the pump data is based | 2900 1/min |
| Nominal flow | 7 m³/h | |
| Rated head | 235 m | |
| Number of steps | 51 | |
| Number for impeller reduction | NONE | |
| Shaft sealing of the engine | SIC/SIC | |
| Test mark on the type plate | CE,EAC | |
| Kennel tolerance | ISO9906:2012 3B | |
| Model | A | |
| Backlash | YES | |
| Engine version | T40 | |
| Supported medium. | Max. Media temperature | 40 °C |
| Max. Media temp. at 0.15 m/s | 40 °C | |
| Medium temperature during operation | 20 °C | |
| density | 998.2 kg/m³ | |
| Materials | Pump | Stainless steel |
| Wheel material | Stainless Steel | |
| Wheels | EN 1.4539 | |
| Impeller material according to ASTM | AISI 904L | |
| Motor | Stainless Steel | |
| Others | Minimum Efficiency Index, MEI ≥ | 0.70 |
| Net weight | 65.1 kg | |
| Gross weight | 111 kg | |
| Shipping volume. | 0.412 m³ | |
| Country of origin | DK | |
| Tariff No. | 84137029 | |
| Danish VVS No. | K.A. | |
| Fine LVI No. | K.A. | |
| Swedish RSK No. | K.A. | |
| Norwegian NRF No. | K.A. | |
properties:
With overtemperature protection using a Grundfos Tempcon sensor in conjunction with the MP 24 full motor protection unit. Signal transmission via the mains cable. Motor switch-on mode: Direct (DOL). |
Worth knowing about Grundfos
Grundfos is one of the world's leading suppliers of high-efficiency pumps and the world market leader for circulators in the in heating technology. In addition to stainless steel pumps for industrial applications applications, Grundfos offers innovative pumps for building services and water management. As an authorised service partner, you will find in our profluid webshop you will find a wide selection of the extensive Grundfos range. Through excellent service, advice by telephone and fast delivery we offer a suitable (pump) solution for almost every application. solution. You too can benefit from our large selection at top prices!