Grease Barrel Pumps

Put most simply, a barrel pump, is a pump connected to an immersion tube that sits within the drum with its motor located outside of the container. The pump draws up the fluid through its immersion tube and is then dispensed via a hose or pipe that is connected to its outlet.

If you have a 1000 litre IBC you will require a 1200mm tube, a 205 litre drum requires a 1000mm and if you have a smaller container 700mm and shorter tubes are available. For larger containers we can offer longer tube sets on specification

The F425 model is capable of emptying 99.98% of a container's contents. This drum pump is generally selected when the liquid is particularly valuable to minimise waste.

As viscosity determines the resistance of a fluid to motion or it's "flowability", viscous fluids need a pump that have limited frictional losses inside the pump. Whilst centrifugal pumps' flow rate rapidly declines as viscosity increases, positive displacement pumps operate very efficiently due to their internal clearances.

Some fluids' viscosity changes as their temperature does, making it important we know the temperature that the fluid is usually pumped at. For example, as oil, honey and butter get colder, they get thicker. Read our article for more information: https://www.castlepumps.com/info-hub/why-viscosity-is-critical-to-pump-selection/