Leo 4SR5-16 / 1.5KW Submersible Borehole Pump Only
10446
The 4SR5-16 is a 4-inch submersible borehole pump from LEO's trusted 4SR5 series, engineered to deliver reliable water extraction across diverse industries including mining, agriculture, aquaculture, and food and beverage production. Whether you're supplying water to remote properties, managing agricultural irrigation, or supporting industrial operations, this compact submersible pump combines proven performance with versatile application capability for both commercial and domestic water supply systems.
Built with premium AISI304 stainless steel casing and motor base that meets NEMA standards, the 4SR5-16 features a durable floating impeller design crafted from FDA-approved American Noryl® material that resists corrosion and mechanical wear. Its robust construction includes an integrated AISI304 check valve, built-in strainer, and high-quality hydraulic design, making it ideal for handling moderately sandy water sources up to 0.25% sand content while maintaining efficiency in demanding borehole and well applications.
At a glance
Power: 1.5 kW (2 HP)Max. head: 102 mMax. flow: 4.8 m³/h (80 l/min)Connections: Outlet 1¼"Specifications
| Brand | Leo |
| Model | 4SR5-16 |
| Type | 4SR5 Submersible Borehole Pump (100 mm) |
| Motor power | 1.5 kW (2 HP) |
| Stages | 16 |
| Connection | Outlet 1¼" |
| Shut-off head | 102 m |
| Flow range | 0 – 4.8 m³/h (0 – 80 l/min) |
| Dimensions (W × L × H) | 10 × 55 × 10 cm |
| Weight | 5 kg |
| Item code | 4SR5-16 |
Performance Table
| Flow Q (m³/h) | 0 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3 | 3.6 | 4.2 | 4.8 |
|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 25 | 30 | 35 | 40 | 45 | 50 | 60 | 70 | 80 |
| Head H (m) | 102 | 98 | 96 | 94 | 92 | 86 | 77 | 68 | 57 | 46 |
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 4SR5-16:
Leo 4SR5 Series Performance Curves
467 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 4SR5-16?
The Leo 4SR5-16 has a maximum head of 102 m.
How much water can the Leo 4SR5-16 pump?
The Leo 4SR5-16 pumps up to 4.8 m³/h (80 l/min).
What is the motor power of the Leo 4SR5-16?
The motor power is 1.5 kW (2 HP).
What are the pipe connections of the Leo 4SR5-16?
Outlet 1¼".
