Doyin 4SDM3/7 0.5HP Borehole Pump – 50M Head
The Doyin 4SDM3/7 0.5HP Borehole Pump is a reliable submersible water pump designed for pumping clean water from boreholes and other underground water sources. With a maximum head of 50 metres, it is suitable for domestic water supply, small farms, livestock watering and general water transfer applications.
Reliable 0.5HP Performance
The pump features a 0.5HP motor, providing dependable water pumping while keeping power requirements relatively low. It is a practical choice for installations that do not require a high-powered borehole pump.
Up to 50 Metres Maximum Head
The Doyin 4SDM3/7 can achieve a maximum pumping head of 50 metres. Its recommended operating range is approximately 0–45 metres, depending on the installation conditions and required water delivery.
1.25-Inch Water Outlet
A 1.25-inch outlet provides a convenient connection to commonly used borehole water piping. Correct pipe sizing helps maintain efficient water delivery and reduces unnecessary pressure losses.
Suitable Applications
The Doyin 4SDM3/7 can be used for:
- Domestic borehole water supply
- Water storage tank filling
- Small-scale irrigation
- Livestock watering
- Farm water supply
- Household water systems
- General clean-water transfer
Key Specifications
Brand: Doyin
Model: 4SDM3/7
Pump Type: Submersible Borehole Water Pump
Motor Power: 0.5HP
Outlet Size: 1.25 inches
Maximum Head: 50 metres
Operating Head Range: 0–45 metres
Water Type: Clean water
Installation: Submersible
Why Choose the Doyin 4SDM3/7?
The Doyin 4SDM3/7 0.5HP borehole pump combines practical pumping capacity, a compact motor size and a 50-metre maximum head. It is a good option for homes, farms and other installations requiring a dependable borehole water supply without the need for a larger pump.
For best performance, the pump should be selected according to the borehole depth, pumping water level, required flow rate, pipe length and vertical delivery height.

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