DAB S4-2/28 1.5kW Borehole Pump (4”)
The DAB S4-2/28 1.5kW Borehole Pump is a powerful 4-inch stainless steel submersible borehole pump engineered for deep boreholes and high-pressure water supply systems. Manufactured in Italy by DAB Pumps, this pump delivers strong flow and high head performance, making it ideal for demanding residential, agricultural, and light commercial applications across South Africa.
The S4-2/28 is designed for installations where consistent water pressure and reliable delivery from greater depths are essential.
Key Features & Benefits
- 1.5kW (2.0HP) power rating – suitable for deep and high-pressure boreholes
- 4” submersible borehole pump – fits standard 4-inch boreholes
- Stainless steel construction – corrosion-resistant and durable
- High flow with increased head capability
- Precision-engineered hydraulic design for efficient performance
- Designed for continuous operation
- Manufactured by DAB Pumps (Italy) – trusted global pump brand
Typical Applications
- Domestic borehole water supply
- High-pressure household systems
- Irrigation and smallholdings
- Agricultural and light commercial water supply
- Groundwater and rainwater extraction
Technical Specifications
- Pump Model: DAB S4-2/28
- Power Rating: 1.5kW (2.0HP)
- Pump Diameter: 4”
- Pump Type: Submersible borehole pump (hydraulic part)
- Stages: 28
- Maximum Flow Rate: ±2.4 m³/h at 114m head.
- Maximum Head: ±168 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 design.)
Why Choose the DAB S4-2/28 Borehole Pump?
The DAB S4-2/28 is ideal for applications requiring high pressure from deep boreholes. Its robust stainless steel construction, efficient hydraulics, and proven DAB engineering make it a trusted choice for professional installers and homeowners who demand reliable, long-term performance.
Installation & Motor Compatibility
This pump must be paired with a compatible 1.5kW (2.0HP) 4” borehole motor, such as a DAB 4OL motor. Professional installation by a qualified pump installer is strongly recommended to ensure correct setup, safety, and warranty compliance.
Buy DAB Borehole Pumps Online in South Africa
Order the DAB S4-2/28 1.5kW 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 S4-2/28 1.5kW Borehole Pump
What is the DAB S4-2/28 1.5kW borehole pump used for?
The DAB S4-2/28 1.5kW borehole pump is designed for high-pressure domestic water supply, irrigation systems, smallholdings, and light commercial or agricultural applications where water needs to be pumped from deeper boreholes.
Does this pump fit a standard 6” borehole?
Yes. The DAB S4-2/28 is a 4-inch submersible borehole pump and fits standard 6” boreholes.
What motor is required for this pump?
This pump requires a 1.5kW (2.0HP) 4” borehole motor, such as a compatible DAB 4OL motor. Always ensure the motor power rating matches the pump specifications.
How much water can this pump deliver?
The maximum flow rate is approximately 2.4 m³/h, depending on borehole depth, pipe size, and system pressure.
How deep can this pump, pump water from?
The DAB S4-2/28 has a maximum head of approximately 168 meters, making it suitable for deep boreholes. Actual performance depends on the static water level and system design.
Is this pump suitable for continuous operation?
Yes. The pump is designed for continuous operation when installed and operated within its recommended performance limits.
Is the pump made from stainless steel?
Yes. The pump body is manufactured from stainless steel, providing 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 and electrical conditions when installed correctly.
Does this pump require professional installation?
Professional installation by a qualified pump installer is strongly recommended to ensure correct operation, safety, and warranty compliance.
Is this product sold as a pump only?
Yes. This product includes the hydraulic pump only. A compatible motor, cable, and control equipment are required and sold separately.
Can Pumps & Filters assist with selecting the correct motor and accessories?
Yes. The Pumps & Filters team can assist you with selecting the correct motor, cable length, control box, and accessories based on your borehole depth and water requirements.









