Leo 4SR12-17 / 3.7KW Submersible Borehole Pump Only
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The LEO 4SR12-17 is a robust 4-inch submersible borehole pump engineered for reliable deep-well water extraction across diverse applications including mining, agriculture, aquaculture, and food and beverage operations. Built on proven submersible pump technology, this model combines efficient hydraulic design with dependable performance for both industrial and residential water supply systems that demand consistent, long-term operation.
Constructed with a durable AISI304 stainless steel casing and motor base that meets NEMA standards, the 4SR12-17 features FDA-approved Noryl® impellers and an integrated check valve to ensure reliable, contaminant-resistant pumping even in demanding conditions. Its IP68-rated motor protection and built-in strainer make it an ideal choice for handling slightly sandy water and challenging borehole environments, while single-phase and three-phase options ranging from 0.37 to 7.5 kW provide flexible power solutions for applications requiring flow rates up to 10 m3/h.
At a glance
Power: 3.7 kW (5 HP)Max. head: 107 mMax. flow: 15.5 m³/h (258 l/min)Connections: Outlet 2"Specifications
| Brand | Leo |
| Model | 4SR12-17 |
| Type | 4SR12 Submersible Borehole Pump (100 mm) |
| Motor power | 3.7 kW (5 HP) |
| Stages | 17 |
| Connection | Outlet 2" |
| Shut-off head | 107 m |
| Flow range | 0 – 15.5 m³/h (0 – 258 l/min) |
| Dimensions (W × L × H) | 10 × 110 × 10 cm |
| Weight | 10.1 kg |
| Item code | 4SR12-17 |
Performance Table
| Flow Q (m³/h) | 0 | 2.4 | 4.8 | 6 | 7.2 | 8.4 | 9.6 | 10.8 | 12 | 13.2 | 14.4 | 15.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 40 | 80 | 100 | 120 | 140 | 160 | 180 | 200 | 220 | 240 | 258 |
| Head H (m) | 107 | 102 | 96.2 | 92.6 | 88.2 | 83.2 | 77.4 | 70.6 | 63.2 | 54.4 | 44.6 | 34.2 |
Head at each flow rate from the manufacturer's technical data. For a duty-point check use the Get a Quote wizard below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Leo 4SR12-17:
Leo 4SR12 Series Performance Curves
445 kB | Download
Applications
- 4" SR series submersible pump adopts AISI304 casing and high-strength and durable "floating impeller"
- Impellers are made of American "Noryl®" material, which has got the approval of FDA(American Food and Drug Administration)
- With high-quality hydraulic design, AISI304 motor base up to "NEMA" standard, built-in AISI304 check valve, gasket, motorund outlet and built-in strainer
- Can be widely applied to mining and building industry, agriculture, aquaculture, food and beverage industry and family water supply
Motor And Pump
- Power: Single phase: 0.37~2.2KW 220~240V
- Power: Three phase: 0.75~7.5KW 380~415V
- Insulation class: B
- Protection grade: IP68
- Frequency: 50HZ
- Flow range: 1~10 (m3/h)
- Maximum fluid temperature: 35
- Maximum sand content: 0.25%
Need help choosing or want a price?
Our pump team will check the right size for your flow and head and give you a quote.
WhatsApp us: 082 516 2248 Get a Quote / Size my pump info@pumps.co.za
Frequently Asked Questions
What is the maximum head of the Leo 4SR12-17?
The Leo 4SR12-17 has a maximum head of 107 m.
How much water can the Leo 4SR12-17 pump?
The Leo 4SR12-17 pumps up to 15.5 m³/h (258 l/min).
What is the motor power of the Leo 4SR12-17?
The motor power is 3.7 kW (5 HP).
What are the pipe connections of the Leo 4SR12-17?
Outlet 2".
