Gear pump guide: function, sizing and application

Sizing and performance curves

Cavitation in pumps: Identifying causes and avoiding gear pump

Knattern, Vibrationen und sinkende Fördermenge deuten oft auf Kavitation hin. Sie sehen, wo die Ursache an der Saugseite liegt und mit welchen…

November 3, 2026 · 10 min read

Media and materials

PEEK gears in gear pumps: applications and advantages

Water and aqueous solutions hardly smear. You will learn when PEEK gears fit in the stainless steel housing, the pressure they can handle, and the data they require…

October 22, 2026 · 7 min read

Media and materials

Select the gear pump for oil based on viscosity and temperature

Viscosity and temperature determine which gear pump safely transports oil. Here you can find the specifications for Linn-Pumpen regarding speed and seal.

October 15, 2026 · 9 min read

Gear pump basics

Internal gear pump or external gear pump: the difference

Crescent or two gears side by side: two sectional graphics show how both designs deliver and which one has the edge in smooth running, installation space and…

October 1, 2026 · 5 min read

Applications

Advantages and disadvantages of the gear pump: application limits at a glance

When is a gear pump worthwhile and when not? An honest look at its strengths, its limits with solids and water and the…

September 24, 2026 · 4 min read

Gear pump basics

Gear pump design: all components at a glance

The labelled sectional view of the F 590 shows the task of gears, bearings, seal and housing and which materials suit which medium…

September 17, 2026 · 4 min read

Gear pump basics

What is a gear pump? Function explained in simple terms

Gear pumps simply explained: how two gears deliver a fixed volume per revolution, why they are self priming and why every system needs pressure limitation…

September 11, 2026 · 4 min read