How to choose an impeller for a pump

The impeller, the impeller of a centrifugal self-priming or vortex pump differ in overall dimensions, the shape of the seat for mounting on the rotor shaft
Selecting a centrifugal pump impeller Important dimensions when selecting a pump impeller
Types of water pump impellers, how to choose an impeller

How to measure a water pump impeller

d1 - outer diameter
d2 - outer diameter of the suction pipe
d3 - internal diameter of the mounting hole
h1 - total height
h2 - depth of the sleeve on the rotor shaft
h3 - total height of blades
h4 - between blades
h5 - landing protrusion height

If you need help in choosing, please provide the parameters shown in these images to the contacts