Perhaps, among all the hydraulic machinery Little Giant pumps can be called the most simple of designs. They have no moving parts, which are subject to wear, easy to operate and repair. Little Giant pumps belong to a class of hydraulic machines.
Simplified scheme of the Little Giant pump can be explained as follows.
Liquid, steam or gas under high pressure is fed through a tube having a nozzle in the inlet chamber. Because of the restriction nozzle liquid has a higher velocity, hence, the kinetic energy. In the inlet chamber pressure drops below atmospheric pressure, and from the supply line connected to this camera are absorbed. Both fluids enter the next chamber, where mixing and exchange of kinetic energy. Then blended substance enters the diffuser pump, which loses some of the pressure, and then – in a penstock, or holding tank.
Depending on the purpose of working, and the pumped medium can be the same (Little Giant Sump Pumps featured in this category include Little Giant 6-CIA series, 6-CIM series, 6-CIA, 10-CIA, TSW-SP, ES33 and others), or different. Jet pumps belong to the so-called “Dynamic pumps. The main disadvantage of such pumps is the low efficiency – up to 30%.
Striking is the fact that prior to the application of Taco pumps as a source of mechanical energy, ie until the 19 th century, the jet pumps are widely used as a generator of hydraulic energy.
