Sam Sanders

Classification of pumps
Pumps are divided into two main categories: dynamic displacement and positive displacement.

Below are some pumps from both categories (it would be impossible to list them all):

dynamic
Centrifugal pumps
Vertical centrifugal pumps
Horizontal centrifugal pumps
Submersible pumps
Fire hydrant systems
Positive displacement
Diaphragm pumps
Gear pumps
Peristaltic pumps
Hall pumps
Piston pumps

https://aradbranding.com/en/buy-centrifugal-water-pump-specification/