The PU category groups the family of pumps in the industrial and sanitary version.

The industrial version also includes pneumatic pumps in plastic or metal material.
Double diaphragm pumps or compressed air metering pumps for moving chemical, viscous, abrasive liquids, with solids or neutrals, even in ATEX hazardous areas.
They are anti-stall, submersible and run dry.

The sanitary version also includes volumetric pneumatic pumps.
The Astra Food range can be used for handling and pumping products intended for the food industry and similar, they are FDA compliant, with parts in contact with the fluid in AISI 316L.