DAB S4-3/25 1.5kW Borehole Pump (4”)
The DAB S4-3/25 1.5kW Borehole Pump is a powerful 4-inch stainless steel submersible borehole pump designed for deep boreholes and high-pressure water supply systems. Manufactured in Italy by DAB Pumps, this pump delivers strong flow, excellent pressure capability, and long-term reliability for demanding South African applications.
The S4-3/25 is ideal where higher pressure and consistent water delivery are required for domestic, agricultural, and light commercial installations.
Key Features & Benefits
- 1.5kW (2.0HP) power rating – suitable for deeper boreholes
- 4” submersible borehole pump – fits standard 4-inch boreholes
- Stainless steel construction – corrosion-resistant and durable
- High flow with strong pressure performance
- Precision-engineered hydraulic design for efficient operation
- Designed for continuous duty
- Manufactured by DAB Pumps (Italy) – trusted worldwide quality
Typical Applications
- Domestic borehole water supply
- High-pressure household and booster systems
- Irrigation and garden watering
- Smallholdings and agricultural use
- Residential and light commercial water supply
Technical Specifications
- Pump Model: DAB S4-3/25
- Power Rating: 1.5kW (2.0HP)
- Pump Diameter: 4”
- Pump Type: Submersible borehole pump (hydraulic part)
- Stages: 25
- Maximum Flow Rate: ±3 m³/h at a 95m head.
- Maximum Head: ±131 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 diameter, and system configuration.)
Why Choose the DAB S4-3/25 Borehole Pump?
The DAB S4-3/25 is engineered for high-pressure borehole applications where reliability is critical. Its stainless steel construction and advanced hydraulic design ensure consistent performance, long service life, and dependable water delivery from deep boreholes.
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 for safety, performance, and warranty compliance.
Buy DAB Borehole Pumps Online in South Africa
Order the DAB S4-3/25 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 S4-3/25 1.5kW Borehole Pump
What is the DAB S4-3/25 1.5kW borehole pump used for?
The DAB S4-3/25 is designed for deep boreholes and high-pressure water supply systems. It is suitable for domestic water supply, booster systems, irrigation, smallholdings, and light commercial applications.
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 1.5kW (2.0HP) 4” borehole motor, such as a compatible DAB 4OL motor.
How much water can this pump deliver?
The pump delivers a maximum flow rate of approximately 3 m³/h, depending on borehole depth, pipe size, and system pressure.
How deep can this pump, pump water from?
The DAB S4-3/25 has a maximum head of approximately 131 meters, making it suitable for deep borehole installations. Actual performance depends on system design and water levels.
Is this pump suitable for continuous operation?
Yes. The pump is designed for continuous duty when installed and operated within its specified performance range.
Is the pump made from stainless steel?
Yes. The pump is constructed from stainless steel, ensuring corrosion resistance and long service life in borehole environments.
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 correctly installed.
Does this pump require professional installation?
Yes. 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, 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.







