ZM8164 Multi Pump Test Device Educational Equipment School Equipment Teaching Deep Bed Filter Fluid Mechanics Lab Equipment
 (which can demonstrate the operation of different types of pumps in a model level and allow students to see parallel and series pump operations, allow students to see the effect of speed on pumps operation and other related processes)
Technical Specification 

Need to have;
Roto dynamic pumps 
Positive displacement pumps 
Digital readouts 
Control valve for each pump
Provide accessories like 

oCentrifugal pump
oGear pump
oAxial pump 
oFlexible impeller pump
oTurbine pump 
oDiaphragm pump

Which allow demonstration of series and parallel pump operations
This can measure flow of water, pressure of water, and suction head of pump electronically. 
Volume measurement devices
Requirement
Instructional manual