Pump Definition A pump is a device that moves fluid through mechanical action. Depending on the method used to move the fluid, the pumps can be divided into three main categories: direct lift, displacement and gravity pumps. Pumps have many sources of energy, including manual operation, electricity, electric motors or wind power; pumps are available in a variety of sizes, from micro sanitary pumps for medical applications to large pumps for industrial use. Pump types According to its displacement method, the pump can be divided into a positive displacement pump, an impulse pump, a velocity pump, a gravity pump, a steam pump and a valveless pump. The two basic types…