Stainless steel submersible centrifugal pump with micro cast steel liquid vortex impeller along with float for automatic function, suitable for lifting sewage and drain water in general containing solid matter with size up to 50 mm. It is sealed with double mechanical seal and capable of continual running with liquid at 35 °c and pump completely submersible. And  it has a built-in protection system to stop it when it is overloaded.