Air Pumping Ltd, diaphragm pump distributor

Ingersoll Rand / ARO

About Ingersoll Rand / ARO


ARO Air Valve Technology

EXP Expert Series Range

Fluid Box Demonstrations

Grease, Oil and Lubing Systems

Piston Pumps

PRO Classic Series Range

UL-79 Pumps

Unique ARO Part Numbers

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Ingersoll Rand / ARO EXP General Savings

Ingersoll Rand / ARO

ARO / Ingersoll Rand Expert Series General Savings


Many competitor pump manufacturers use special diaphragms and other exotic (expensive) materials to enable their pumps to be ATEX certified. What this means is that for all the competitor pumps in an ATEX area the end user would need a set of spares, and for all non-ATEX areas the end user would need another set of spares. ARO diaphragm pumps reduce that commitment by having common service kits across its metallic pump range and common service kits across its non-metallic pump range.


The purchase price of a diaphragm pump accounts for less than 5% of the overall running cost over a 3-5 year period. The euphoria of a low cost diaphragm pump is often followed by the agony of higher service, energy and spare parts costs.


Most competitor ATEX approved P.T.F.E. diaphragms contain conductive carbon - this carbon could leech into the process material, and as a foreign substance, makes the diaphragm much more rigid and flex life is reduced. This essentially means that diaphragms which are already considered expensive have an even higher cost and need to be replaced more often when compared to the standard Dupont Teflon® that ARO uses in its diaphragms.

Beneficial Features

ARO diaphragm pumps have patented air valve technology that enables an ICE-FREE, STALL-FREE, continuous operation and a 35% reduction in pulsation versus competition models. ARO's 5 year pump warranty comes as standard, confidence and commitment in our product comes as standard.

Investing in ARO diaphragm pumps saves you money - YEAR on YEAR!

® Teflon is a registered trademark of the E.I. DuPont Company