Leo 4SR2-37 - 2.2KW Submersible Borehole Pumps
12336Price Unavailable - Please contact us for a quote.NewIn stock! Order now!

The LEO 4SR2-37 is a 4-inch (100 mm) stainless steel submersible borehole pump end from the 4SR2 series, with 37 stages for high head at low flow. It is paired with a 2.2 kW 4" NEMA motor (sold separately) and delivers up to 3 m³/h, with up to 245 m head at shut-off - suited to deep boreholes and long pipelines.
Floating Noryl® impellers, AISI304 casing and built-in check valve and strainer make it durable in boreholes with some sand.
Specifications
- Model: 4SR2-37 (pump end only)
- Stages: 37
- Motor required: 2.2 kW / 3 HP, 4" NEMA
- Flow range: 0 - 3.0 m³/h (0 - 50 l/min)
- Max. head: 245 m
- Borehole: minimum 100 mm (4")
- Materials: AISI304 stainless steel; Noryl® floating impellers
- Max. water temperature 35 °C; max. sand 0.25%
Applications
- Deep borehole domestic and farm supply
- Livestock watering from deep boreholes
Performance table
| Flow Q (m³/h) | 0 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3 |
| Head H (m) | 245 | 229 | 220 | 208 | 193 | 175 | 158 | 136 | 111 |
Source: LEO 4SR submersible borehole pumps technical data (4SR2 series), 50 Hz.
