Description
The Grundfos SP 9-21 is part of the renowned Grundfos SP series of submersible borehole pumps, engineered for groundwater pumping and water supply systems. Built entirely from high-grade stainless steel, this pump offers exceptional corrosion resistance, durability, and long service life, even in demanding environments.
With an operating speed of 2900 rpm, the SP 9-21 provides a rated flow of 9 m³/h and a rated head of 110.8 m, supported by 21 stages for reliable deep-borehole performance. Its Minimum Efficiency Index (MEI) ≥ 0.70 ensures optimal energy efficiency, resulting in lower operating costs and sustainable performance.
The SP range is designed for versatility, supporting borehole sizes from 4″ to 10″ and motor ratings from 0.37 kW up to 250 kW. As a WEEE-compliant pump, it also meets modern environmental standards.
Specifications
| Category | Details |
|---|---|
| Product Name | SP 9-21 |
| Product Number | 98699059 |
| EAN Number | 5712600106017 |
| Pump Type | Submersible Borehole Pump |
| Pump Speed (Based Data) | 2900 rpm |
| Rated Flow | 9 m³/h |
| Rated Head | 110.8 m |
| Stages | 21 |
| Reduced-Diameter Impellers | None |
| Minimum Efficiency Index (MEI) | ≥ 0.70 |
| Net Weight | 37.1 kg |
| Gross Weight | 42.7 kg |
| Shipping Volume | 0.068 m³ |
| Danish VVS No. | 388480021 |
| Finnish LVI No. | 4762697 |
| Environmental Approvals | WEEE |
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