Leo 4SR6-7 / 0.75KW Submersible Borehole Pump Only
10451
The LEO 4SR6-7 is a robust 4-inch submersible borehole pump engineered for reliable deep-well water extraction across diverse industries. Built to perform in demanding applications including mining, agriculture, aquaculture, food and beverage processing, and residential water supply, this pump combines dependable engineering with versatile capability that meets the needs of both commercial operations and family water systems.
Constructed with a durable AISI304 stainless steel casing and motor base that adheres to NEMA standards, the 4SR6-7 features a floating impeller design crafted from FDA-approved Noryl® material for exceptional longevity and hygiene. Its advanced hydraulic design incorporates an integrated AISI304 check valve, strainer, and sealed outlet to ensure trouble-free operation in challenging conditions, making it ideal for installations where corrosion resistance and sand tolerance (up to 0.25% sand content) are essential requirements.
At a glance
Power: 0.75 kW (1 HP)Max. head: 42 mMax. flow: 8.4 m³/h (140 l/min)Connections: Outlet 1½"Specifications
| Brand | Leo |
| Model | 4SR6-7 |
| Type | 4SR6 Submersible Borehole Pump (100 mm) |
| Motor power | 0.75 kW (1 HP) |
| Stages | 7 |
| Connection | Outlet 1½" |
| Shut-off head | 42 m |
| Flow range | 0 – 8.4 m³/h (0 – 140 l/min) |
| Dimensions (W × L × H) | 10 × 39 × 10 cm |
| Weight | 3.7 kg |
| Item code | 4SR6-7 |
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) | 42 | 36 | 34 | 32 | 30 | 28 | 25 | 19 | 11 |
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 4SR6-7:
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 4SR6-7?
The Leo 4SR6-7 has a maximum head of 42 m.
How much water can the Leo 4SR6-7 pump?
The Leo 4SR6-7 pumps up to 8.4 m³/h (140 l/min).
What is the motor power of the Leo 4SR6-7?
The motor power is 0.75 kW (1 HP).
What are the pipe connections of the Leo 4SR6-7?
Outlet 1½".
