Leo 4SR10-22 / 3.7KW Submersible Borehole Pump Only
10470
The LEO 4SR10-22 is a robust 4-inch submersible borehole pump engineered for demanding applications across mining, agriculture, aquaculture, food and beverage production, and residential water supply systems. Built on proven submersible pump technology, this model delivers reliable performance in deep well and borehole environments where conventional surface pumps fall short, making it an ideal choice for users seeking durability and consistent water extraction.
Constructed with a premium AISI304 stainless steel casing and motor base that meets NEMA standards, the 4SR10-22 features FDA-approved Noryl® impellers designed for exceptional longevity and resistance to wear. Its sophisticated floating impeller design, combined with integrated check valves, strainers, and high-quality hydraulic engineering, enables this submersible pump to handle sand content up to 0.25% while maintaining steady flow rates from 1 to 10 m3/h, making it perfectly suited for both light industrial applications and long-term domestic water supply installations.
At a glance
Power: 3.7 kW (5 HP)Max. head: 131 mMax. flow: 15 m³/h (250 l/min)Connections: Outlet 2"Specifications
| Brand | Leo |
| Model | 4SR10-22 |
| Type | 4SR10 Submersible Borehole Pump (100 mm) |
| Motor power | 3.7 kW (5 HP) |
| Stages | 22 |
| Connection | Outlet 2" |
| Shut-off head | 131 m |
| Flow range | 0 – 15 m³/h (0 – 250 l/min) |
| Dimensions (W × L × H) | 10 × 110 × 10 cm |
| Weight | 8.1 kg |
| Item code | 4SR10-22 |
Performance Table
| Flow Q (m³/h) | 0 | 4.8 | 5.4 | 6 | 7.2 | 8.4 | 9.6 | 10.8 | 12 | 13.2 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 80 | 90 | 100 | 120 | 140 | 160 | 180 | 200 | 220 | 250 |
| Head H (m) | 131 | 110 | 107 | 104 | 98 | 91 | 82 | 71 | 58 | 45 | 30 |
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 4SR10-22:
Leo 4SR10 Series Performance Curves
461 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 4SR10-22?
The Leo 4SR10-22 has a maximum head of 131 m.
How much water can the Leo 4SR10-22 pump?
The Leo 4SR10-22 pumps up to 15 m³/h (250 l/min).
What is the motor power of the Leo 4SR10-22?
The motor power is 3.7 kW (5 HP).
What are the pipe connections of the Leo 4SR10-22?
Outlet 2".
