Hydrolic Pump (Hydraulic Pump)

“Hydraulic” isn’t the easiest word to spell, and is often mistakenly written as “hydrolic”. So if you’re looking for a hydrolic pump, or even a hydraulic pump, then the good news is you’ve come to the right place!

We’re a leading hydraulic pump supplier, having widespread, competitive access to both leading and niche manufacturers from around the world; Just click on the manufacturer links to the right to learn more about their hydraulic pump ranges.

We can also undertake hydraulic pump repairs and offer a refurbishment service on most brands where it is cost-effective to do so.

If you can’t find the pump that you’re looking for, or don’t even know what it is that you need then that’s not a problem; our experienced team are always up for a challenge and can usually work miracles with unrecognisable or seemingly obsolete hydraulic pumps – often able to offer you top quality direct equivalents at a fraction of the cost and lead time of original units!

If you’d like to find out a bit more about us then you can visit our main website here, where you can also look at some of our case studies and testimonials to see what our customers have to say about us.

There are a wide range of hydraulic (hydrolic) pump types including:
  • gear pumps; simple and economical and create pressure through the meshing of the gear teeth, which forces fluid around the gears to pressurize the outlet side. Some hydraulic gear pumps can be quite noisy, compared to other types, but modern gear pumps are highly reliable and much quieter than older models.
  • rotary vane pumps; have higher efficiencies than gear pumps, but are also used for mid pressures up to 180 bars in general.
  • screw pumps; also known as a fixed displacement pump, are used for high flows and relatively low pressure (max 100 bar). The advantage of the screw pumps is the low sound level, but the efficiency is not that high.
  • bent axis pumps; These have the best efficiency of all hydraulic pumps. In general the largest displacements are approximately one litre per revolution, although a two-litre swept volume hydraulic pump can be built. Variable-displacement pumps are often used, where the oil flow can be adjusted carefully and can operate with a working pressure of up to 350–420 bars in continuous work.
  • axial piston pumps; These hydraulic pumps have the advantage of being more compact in design and are easier and more economical to manufacture; the disadvantage is that they are more sensitive to oil contamination
  • radial piston pumps; (fixed displacement) are used especially for high pressure and relatively small flows. Pressures of up to 650 bar are normal. In fact variable displacement is not possible, but sometimes the hydraulic pump is designed in such a way that the plungers can be switched off one by one, so that a sort of variable displacement pump is obtained.

For any further information or technical advice and quotations you can contact the team on: 0845 644 3640, via: sales@hydraulicsonline.com or complete our stock enquiry form.

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