Leo 4SR6-27 / 3KW Submersible Borehole Pump Only
10453
Introducing the LEO 4SR6-27, a robust 4-inch submersible borehole pump engineered for demanding applications across mining, agriculture, aquaculture, food and beverage production, and residential water supply systems. Built with a corrosion-resistant AISI304 stainless steel casing and FDA-approved Noryl® impeller material, this single or three-phase pump delivers reliable performance in challenging underground environments with flow rates from 1 to 10 m3/h.
Constructed to NEMA standards with premium hydraulic design, the 4SR6-27 features a durable floating impeller mechanism paired with an integrated AISI304 check valve and built-in strainer for superior filtration and pressure protection. Its IP68-rated motor housing and robust construction make it ideal for borehole and submersible applications where durability and consistent water delivery are essential, even in slightly sandy conditions up to 0.25% sand content.
At a glance
Power: 3 kW (4 HP)Max. head: 169 mMax. flow: 8.4 m³/h (140 l/min)Connections: Outlet 1½"Specifications
| Brand | Leo |
| Model | 4SR6-27 |
| Type | 4SR6 Submersible Borehole Pump (100 mm) |
| Motor power | 3 kW (4 HP) |
| Stages | 27 |
| Connection | Outlet 1½" |
| Shut-off head | 169 m |
| Flow range | 0 – 8.4 m³/h (0 – 140 l/min) |
| Dimensions (W × L × H) | 10 × 110 × 10 cm |
| Weight | 9.6 kg |
| Item code | 4SR6-27 |
Performance Table
| Flow Q (m³/h) | 0 | 3 | 3.6 | 4.2 | 4.8 | 5.4 | 6 | 7.2 | 8.4 |
|---|---|---|---|---|---|---|---|---|---|
| Flow Q (l/min) | 0 | 50 | 60 | 70 | 80 | 90 | 100 | 120 | 140 |
| Head H (m) | 169 | 145 | 139 | 131 | 123 | 115 | 107 | 84 | 55 |
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 4SR6-27:
Leo 4SR6 Series Performance Curves
457 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 4SR6-27?
The Leo 4SR6-27 has a maximum head of 169 m.
How much water can the Leo 4SR6-27 pump?
The Leo 4SR6-27 pumps up to 8.4 m³/h (140 l/min).
What is the motor power of the Leo 4SR6-27?
The motor power is 3 kW (4 HP).
What are the pipe connections of the Leo 4SR6-27?
Outlet 1½".




