Leo 4SR4-26 / 2.2KW Submersible Borehole Pump Only
12349
The LEO 4SR4-26 is a robust 4-inch submersible borehole pump engineered for reliable water extraction in demanding environments. Designed for applications spanning mining, agriculture, aquaculture, food and beverage processing, and residential water supply, this pump delivers consistent performance across flow rates of 1-10 m3/h with single-phase and three-phase motor options ranging from 0.37 kW to 7.5 kW.
Built with food-grade durability in mind, the pump features an AISI304 stainless steel casing and motor base that meets NEMA standards, complemented by a floating impeller constructed from FDA-approved American Noryl® material for superior corrosion resistance and longevity. Its comprehensive specification includes an integrated AISI304 check valve, built-in strainer, and IP68 protection rating, making it ideal for deep well installations where sand content up to 0.25% and fluid temperatures to 35 degC are encountered.
At a glance
Power: 2.2 kWMax. head: 163 mMax. flow: 6 m³/h (100 l/min)Connections: Outlet 1¼"Specifications
| Brand | Leo |
| Model | 4SR4-26 |
| Type | 4SR4 Submersible Borehole Pump (100 mm) |
| Motor power | 2.2 kW |
| Stages | 26 |
| Connection | Outlet 1¼" |
| Shut-off head | 163 m |
| Flow range | 0 – 6 m³/h (0 – 100 l/min) |
| Dimensions (W × L × H) | 10 × 77 × 10 cm |
| Weight | 6.2 kg |
| Item code | 4SR4-26 |
Performance Table
| Flow Q (m³/h) | 0 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3 | 3.6 | 4.2 | 4.8 | 5.4 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 25 | 30 | 35 | 40 | 45 | 50 | 60 | 70 | 80 | 90 | 100 |
| Head H (m) | 163 | 152 | 149 | 146 | 142 | 137 | 131 | 118 | 101 | 80.9 | 56.8 | 32.7 |
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 4SR4-26:
Leo 4SR4 Series Performance Curves
546 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 4SR4-26?
The Leo 4SR4-26 has a maximum head of 163 m.
How much water can the Leo 4SR4-26 pump?
The Leo 4SR4-26 pumps up to 6 m³/h (100 l/min).
What is the motor power of the Leo 4SR4-26?
The motor power is 2.2 kW.
What are the pipe connections of the Leo 4SR4-26?
Outlet 1¼".
