Leo 4SR1-10 / 0.37KW Submersible Borehole Pump Only
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The LEO 4SR1-10 is a premium 4-inch submersible borehole pump engineered for reliable water extraction in demanding applications across mining, agriculture, aquaculture, food and beverage processing, and residential water supply systems. Built on decades of submersible pump expertise, this robust model combines intelligent hydraulic design with industrial-grade construction to deliver consistent performance in boreholes and deep wells where traditional surface pumps fall short.
Crafted from corrosion-resistant AISI304 stainless steel throughout the casing, motor base, check valve, and outlet connections, the 4SR1-10 features durable Noryl® impellers that meet FDA approval standards for food-safe applications and withstand abrasive conditions with a floating impeller design. Its comprehensive feature set includes an integrated strainer, sealed gaskets, and NEMA-compliant motor construction rated to IP68 protection, making it ideal for handling sandy or slightly contaminated water while maintaining reliable submersed operation in temperatures up to 35 degC.
At a glance
Power: 0.37 kW (0.5 HP)Max. head: 67 mMax. flow: 1.5 m³/h (25 l/min)Connections: Outlet 1¼"Specifications
| Brand | Leo |
| Model | 4SR1-10 |
| Type | 4SR1 Submersible Borehole Pump (100 mm) |
| Motor power | 0.37 kW (0.5 HP) |
| Stages | 10 |
| Connection | Outlet 1¼" |
| Shut-off head | 67 m |
| Flow range | 0 – 1.5 m³/h (0 – 25 l/min) |
| Dimensions (W × L × H) | 10 × 33 × 10 cm |
| Weight | 3.3 kg |
| Item code | 4SR1-10 |
Performance Table
| Flow Q (m³/h) | 0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 |
|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 5 | 10 | 15 | 20 | 25 |
| Head H (m) | 67 | 63 | 55 | 46 | 33 | 18 |
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 4SR1-10:
Leo 4SR1 Series Performance Curves
332 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 4SR1-10?
The Leo 4SR1-10 has a maximum head of 67 m.
How much water can the Leo 4SR1-10 pump?
The Leo 4SR1-10 pumps up to 1.5 m³/h (25 l/min).
What is the motor power of the Leo 4SR1-10?
The motor power is 0.37 kW (0.5 HP).
What are the pipe connections of the Leo 4SR1-10?
Outlet 1¼".
