Leo 4SR12-14 / 3KW Submersible Borehole Pump Only
10476
Introducing the LEO 4SR12-14 submersible borehole pump, a reliable 4-inch submersible pump engineered for demanding applications across mining, agriculture, aquaculture, and food and beverage industries. Built with an AISI304 stainless steel casing and FDA-approved Noryl® impellers, this borehole pump delivers consistent performance in well water supply, industrial water circulation, and residential water systems with impressive flow rates up to 10 m3/h.
Premium construction sets this submersible pump apart, featuring a robust AISI304 motor base meeting NEMA standards, integrated check valve, and built-in strainer for reliable operation in challenging conditions. Available in single-phase (0.37-2.2 kW) and three-phase (0.75-7.5 kW) configurations, the 4SR12-14 combines high-quality hydraulic design with IP68 protection rating, making it ideal for handling water with sand content up to 0.25% and maintaining optimal performance in both agricultural boreholes and industrial water supply applications.
At a glance
Power: 3 kW (4 HP)Max. head: 89 mMax. flow: 15.5 m³/h (258 l/min)Connections: Outlet 2"Specifications
| Brand | Leo |
| Model | 4SR12-14 |
| Type | 4SR12 Submersible Borehole Pump (100 mm) |
| Motor power | 3 kW (4 HP) |
| Stages | 14 |
| Connection | Outlet 2" |
| Shut-off head | 89 m |
| Flow range | 0 – 15.5 m³/h (0 – 258 l/min) |
| Dimensions (W × L × H) | 10 × 99 × 10 cm |
| Weight | 8.6 kg |
| Item code | 4SR12-14 |
Performance Table
| Flow Q (m³/h) | 0 | 2.4 | 4.8 | 6 | 7.2 | 8.4 | 9.6 | 10.8 | 12 | 13.2 | 14.4 | 15.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 40 | 80 | 100 | 120 | 140 | 160 | 180 | 200 | 220 | 240 | 258 |
| Head H (m) | 89 | 85 | 80.4 | 77.6 | 74.2 | 70.2 | 65.4 | 60 | 53.6 | 46.8 | 38.8 | 30.6 |
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 4SR12-14:
Leo 4SR12 Series Performance Curves
445 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 4SR12-14?
The Leo 4SR12-14 has a maximum head of 89 m.
How much water can the Leo 4SR12-14 pump?
The Leo 4SR12-14 pumps up to 15.5 m³/h (258 l/min).
What is the motor power of the Leo 4SR12-14?
The motor power is 3 kW (4 HP).
What are the pipe connections of the Leo 4SR12-14?
Outlet 2".




