Comparison Table

 

Comparison of properties of different pump technologies
Type
Centrifugal pumps
Gear pumps
Lobe pumps
Vane pumps
Peristaltic pumps
Piston pumps
Screw pumps
EcoVizor pumps
High pressure capability 1 3 2 3 1 3 3 2
Self-priming 0 1 2 3 2 3 2 2
Reversibility 0 2 3 0 3 0 0 3
Clean pumping 1 0 3 1 3 1 2 2
Dry running 1 1 1 0 2 2 1 1
Handling of shear sensitive liquids 0 0 2 1 1 2 1 3
Dose feed 0 2 2 0 2 3 1 2
Laminar flow 0 1 2 3 2 1 2 2
Simple construction 3 2 1 3 2 1 1 3
Low rotation speed, noise, and vibration 1 1 2 1 3 1 3 3
Easy-clean (hygienic) 1 1 3 3 0 1 1 3
Pumping of viscous liquids 0 2 2 2 2 1 3 3
Pumping of hot liquids 3 2 1 0 0 1 2 2
Pumping of abrasive and aggressive substances 3 0 0 0 3 1 1 2
Pumping of liquids with hard particles 3 1 2 0 2 1 1 3
Heavy duty 3 2 2 2 1 1 2 3
Lack of wearing parts 3 1 2 1 2 1 1 2
High efficiency 1 1 1 1 1 1 2 3
Low price 3 3 1 2 1 2 1 1
Low operation costs 3 2 3 1 1 1 1 3
Total score: 30 28 37 27 34 28 31 48
Scores: 0 – impossible, 1 – poor, 2 – average, 3 – good

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