Leo 4SR2-10 / 0.55KW Submersible Borehole Pump Only
12334
The LEO 4SR2-10 is a 4-inch submersible borehole pump engineered for reliable water extraction in diverse applications including mining, agriculture, aquaculture, food and beverage production, and residential water supply. Built on decades of submersible pump expertise, this model combines robust construction with efficient hydraulic design to deliver consistent performance in demanding environments.
Crafted from premium AISI304 stainless steel casing and motor base meeting NEMA standards, the 4SR2-10 features FDA-approved Noryl® impellers with an innovative floating design that enhances durability and longevity. Its integrated check valve, strainer, and comprehensive stainless steel components ensure trouble-free operation, making it ideal for agricultural boreholes, mining operations, and industrial water systems where corrosion resistance and reliability are paramount.
At a glance
Power: 0.55 kW (0.75 HP)Max. head: 69 mMax. flow: 3 m³/h (50 l/min)Connections: Outlet 1¼"Specifications
| Brand | Leo |
| Model | 4SR2-10 |
| Type | 4SR2 Submersible Borehole Pump (100 mm) |
| Motor power | 0.55 kW (0.75 HP) |
| Stages | 10 |
| Connection | Outlet 1¼" |
| Shut-off head | 69 m |
| Flow range | 0 – 3 m³/h (0 – 50 l/min) |
| Dimensions (W × L × H) | 10 × 34 × 10 cm |
| Weight | 3.5 kg |
| Item code | 4SR2-10 |
Performance Table
| Flow Q (m³/h) | 0 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3 |
|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
| Head H (m) | 69 | 65 | 63 | 60 | 55 | 50 | 44 | 37 | 29 |
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 4SR2-10:
Leo 4SR2 Series Performance Curves
387 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 4SR2-10?
The Leo 4SR2-10 has a maximum head of 69 m.
How much water can the Leo 4SR2-10 pump?
The Leo 4SR2-10 pumps up to 3 m³/h (50 l/min).
What is the motor power of the Leo 4SR2-10?
The motor power is 0.55 kW (0.75 HP).
What are the pipe connections of the Leo 4SR2-10?
Outlet 1¼".
