This DQD series Solar Power submersible pump consists of pump, mechanical seal and motor. Pump is at the bottom part of pump, which is adopted centrifugal impeller. Seal is used where pump and motor combine, which is a kind of double-end mechanical seal, O rings are applied to all static joints. Float switch can be equipped to control pump’s starting and stopping automatically according to the water level. This series pump is small and light, which is widely used in countryside for elevating water from well, irrigation, sprinkling and domestic water supply, and also used in draining off water for fishpond and building site.