Numerical Simulation for Design Improvement in Diffuser of Multistage Centrifugal Pump | SpringerLink
Volutes & Diffusers in Centrifugal Pumps - API 610
Cri Pump Plain Diffuser, For Domestic, Shape: Circular/Round
Suction Diffuser Vanes for Pump Applications - Empowering Pumps and Equipment
ESP: Pump Stage - Production Technology
Diffuser pump | Britannica
Diffuser geometries show more axial symmetry than the asymmetric volute shapes | One of the advantages of a diffuser pump design is the reduced radial force on the rotor. In this animation,
Impeller Diffuser Pump (from Internet Glossary of Pumps)