Leo 4SR8-23 / 4KW Submersible Borehole Pump Only
12370
The LEO 4SR8-23 is a premium 4-inch submersible borehole pump engineered for reliable deep-well water extraction across diverse industrial and residential applications. Built to serve mining, agriculture, aquaculture, food and beverage production, and domestic water supply systems, this submersible pump combines robust construction with efficient hydraulic performance for consistent operation in demanding environments.
Crafted with a corrosion-resistant AISI304 stainless steel casing and motor base meeting NEMA standards, the 4SR8-23 features FDA-approved Noryl® impellers that deliver exceptional durability and floating-impeller reliability. An integrated AISI304 check valve, internal strainer, and sealed outlet ensure dependable performance in borehole applications handling sandy water up to 0.25% sediment content, making this submersible pump ideal for agricultural wells, mining operations, and food industry water supply where quality materials and long-term reliability are essential.
At a glance
Power: 4 kW (5.5 HP)Max. head: 148 mMax. flow: 12 m³/h (200 l/min)Connections: Outlet 2"Specifications
| Brand | Leo |
| Model | 4SR8-23 |
| Type | 4SR8 Submersible Borehole Pump (100 mm) |
| Motor power | 4 kW (5.5 HP) |
| Stages | 23 |
| Connection | Outlet 2" |
| Shut-off head | 148 m |
| Flow range | 0 – 12 m³/h (0 – 200 l/min) |
| Dimensions (W × L × H) | 10 × 93 × 10 cm |
| Weight | 8.4 kg |
| Item code | 4SR8-23 |
Performance Table
| Flow Q (m³/h) | 0 | 4.8 | 5.4 | 6 | 7.2 | 8.4 | 9.6 | 10.8 | 12 |
|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 80 | 90 | 100 | 120 | 140 | 160 | 180 | 200 |
| Head H (m) | 148 | 134 | 131 | 127 | 118 | 108 | 95 | 79 | 60 |
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 4SR8-23:
Leo 4SR8 Series Performance Curves
446 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 4SR8-23?
The Leo 4SR8-23 has a maximum head of 148 m.
How much water can the Leo 4SR8-23 pump?
The Leo 4SR8-23 pumps up to 12 m³/h (200 l/min).
What is the motor power of the Leo 4SR8-23?
The motor power is 4 kW (5.5 HP).
What are the pipe connections of the Leo 4SR8-23?
Outlet 2".
