DAB S4-3/45 3.0kW Borehole Pump (4”)
The DAB S4-3/45 3.0kW Borehole Pump is a heavy-duty 4-inch stainless steel submersible borehole pump engineered for extreme depth and very high-pressure water supply applications. Manufactured in Italy by DAB Pumps, this pump delivers outstanding head performance with dependable flow, making it ideal for demanding agricultural, commercial, and large residential borehole systems in South Africa.
The S4-3/45 is designed for installations where maximum pressure, reliability, and continuous operation are essential.
Key Features & Benefits
- 3.0kW (4.0HP) power rating – ideal for extremely deep boreholes
- 4” submersible borehole pump – fits standard 4-inch boreholes
- Stainless steel construction – corrosion-resistant and long-lasting
- Exceptional high-pressure performance with stable flow
- Precision-engineered hydraulic system for efficient operation
- Designed for continuous duty
- Manufactured by DAB Pumps (Italy) – globally trusted quality
Typical Applications
- Very deep borehole water supply
- High-pressure domestic and estate systems
- Agricultural irrigation and farming operations
- Commercial and industrial water supply
- Groundwater extraction systems
Technical Specifications
- Pump Model: DAB S4-3/45
- Power Rating: 3.0kW (4.0HP)
- Pump Diameter: 4”
- Pump Type: Submersible borehole pump (hydraulic part)
- Stages: 45
- Maximum Flow Rate: ±3 m³/h at a 171m head
- Maximum Head: ±234 m
- Pump Body Material: Stainless steel
- Application: Borehole / groundwater pumping
- Brand: DAB Pumps
(Actual performance may vary depending on borehole depth, static water level, pipe size, and system configuration.)
Why Choose the DAB S4-3/45 Borehole Pump?
The DAB S4-3/45 is built for extreme depth and very high-pressure applications, offering reliable performance where standard borehole pumps cannot operate. Its stainless steel construction and advanced hydraulic design ensure long service life and dependable water delivery in the most demanding conditions.
Installation & Motor Compatibility
This pump must be paired with a compatible 3.0kW (4.0HP) 4” borehole motor, such as a DAB 4OL motor. Due to its power and depth capability, professional installation by a qualified pump installer is strongly recommended.
Buy DAB Borehole Pumps Online in South Africa
Order the DAB S4-3/45 3.0kW Borehole Pump online from www.pumpsandfilters.co.za for trusted quality, expert technical advice, and fast nationwide delivery across South Africa.
Frequently Asked Questions – DAB S4-3/45 3.0kW Borehole Pump
What is the DAB S4-3/45 3.0kW borehole pump used for?
The DAB S4-3/45 is designed for extremely deep boreholes and very high-pressure water supply systems. It is ideal for agricultural irrigation, estate and commercial water systems, and large residential properties requiring strong, consistent pressure.
Does this pump fit a standard 6” borehole?
Yes. This is a 4-inch submersible borehole pump and fits standard 6” boreholes.
What motor is required for this pump?
The pump requires a 3.0kW (4.0HP) 4” borehole motor, such as a compatible DAB 4OL motor.
How much water can this pump deliver?
The maximum flow rate is approximately 3 m³/h, depending on borehole depth, pipe size, and system pressure.
How deep can this pump, pump water from?
The DAB S4-3/45 has a maximum head of approximately 234 meters, making it suitable for extremely deep borehole installations. Actual pumping depth depends on the static water level and system design.
Is this pump suitable for continuous operation?
Yes. The pump is designed for continuous duty operation when installed and operated within its specified performance limits.
Is the pump made from stainless steel?
Yes. The pump body is manufactured from stainless steel, offering excellent corrosion resistance and long service life.
Can this pump be used in South African conditions?
Yes. DAB borehole pumps are well suited to South African borehole water and electrical conditions when installed correctly.
Does this pump require professional installation?
Yes. Due to the pump’s high power and extreme depth capability, professional installation by a qualified pump installer is strongly recommended.
Is this product sold as a pump only?
Yes. This product includes the hydraulic pump only. A compatible motor, cable, control box, and accessories are required and sold separately.
Can Pumps & Filters assist with selecting the correct motor and accessories?
Yes. The Pumps & Filters team can assist with selecting the correct motor, cable length, control equipment, and accessories based on your borehole depth and water requirements.










