Qdx 1hp specs pdf +6 The QDX 1HP (0.75 kW) is a portable, single-phase submersible clean water pump. It is widely used for rural wells, farmland irrigation, and domestic water supply. It features a maximum flow rate of \(1.5\) to \(16 \text{ m}^3\text{/hour}\) and a maximum head of 16 to 32 meters depending on the specific sub-model.