The object in the image is a submersible water pump. Here's some helpful information about it:
It is designed to be submerged in the fluid it is pumping.
Commonly used for draining flooded areas, sewage, and general water transfer.
The model in the image has a motor speed .
Submersible pumps are sealed, close-coupled pumps.
The pump in the image appears to be made of stainless steel and cast iron.