Leo 4SR12-07 / 1.5KW Submersible Borehole Pump Only
10475
The LEO 4SR12-07 is a robust 4-inch submersible borehole pump engineered for demanding applications across mining, agriculture, aquaculture, and food and beverage industries. Built on proven submersible pump technology, this model delivers reliable water supply solutions for both commercial operations and residential installations, with flow rates up to 10 m3/h and flexible power options ranging from 0.37 kW single-phase to 7.5 kW three-phase configurations.
Constructed with premium AISI304 stainless steel casing and motor base that meets NEMA standards, the 4SR12-07 features FDA-approved Noryl® impellers designed for durability and corrosion resistance in challenging environments. Its integrated floating impeller design, built-in check valve, and advanced hydraulic engineering ensure exceptional performance in sandy conditions up to 0.25% sediment content, while the IP68-rated motor protection guarantees reliable operation in fully submerged borehole applications.
At a glance
Power: 1.5 kW (2 HP)Max. head: 45 mMax. flow: 15.5 m³/h (258 l/min)Connections: Outlet 2"Specifications
| Brand | Leo |
| Model | 4SR12-07 |
| Type | 4SR12 Submersible Borehole Pump (100 mm) |
| Motor power | 1.5 kW (2 HP) |
| Stages | 7 |
| Connection | Outlet 2" |
| Shut-off head | 45 m |
| Flow range | 0 – 15.5 m³/h (0 – 258 l/min) |
| Dimensions (W × L × H) | 10 × 54 × 10 cm |
| Weight | 5.3 kg |
| Item code | 4SR12-07 |
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) | 45 | 43.6 | 41.2 | 39.6 | 37.6 | 35.4 | 33 | 30 | 26.6 | 22.8 | 18.6 | 14 |
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 4SR12-07:
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 4SR12-07?
The Leo 4SR12-07 has a maximum head of 45 m.
How much water can the Leo 4SR12-07 pump?
The Leo 4SR12-07 pumps up to 15.5 m³/h (258 l/min).
What is the motor power of the Leo 4SR12-07?
The motor power is 1.5 kW (2 HP).
What are the pipe connections of the Leo 4SR12-07?
Outlet 2".




