John Tech 4SD8/12 4″ Submersible Borehole Pump – 1.5 kW, 40mm Outlet
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John Tech 4SD8/12 4″ Submersible Borehole Pump – 1.5 kW, 40mm Outlet
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John Tech 4SD8/12 4-inch submersible borehole pump, listed in the TESK South Africa August 2026 catalogue.
- Rated motor power: 1.5 kW
- Supplier-listed horsepower: 2 HP
- Discharge outlet: 40mm
- Hydraulic family: 4SD8
John Tech 100 mm pump literature describes the range as a floating-impeller design with an integrated non-return valve for resistance to sand/impurities and protection against water-column backflow. Published operating guidance for the 100 mm John Tech pack range includes clean-water service, sand content below 150 g/m³, submersion up to 100 m and liquid temperature up to 40 °C.
Selection note: Exact flow/head performance is not stated in the TESK price list. Confirm the exact hydraulic curve for this model before selecting it for a duty point.