Ingersoll/Aro diaphragm pump

1″ Diaphragm Pump Ingersoll-Rand/Aro (Alu/Teflon)


Aro Air Operated Double Diaphragm Pump 1″

Item No.: 66610A-244-C-M

Technical Information:

– Max. flow rate: 35 GPM (132.5 l/min)
– Max. working fluid pressure: 120 PSI (8.4 bar)
– Air pressure operating range: 1-100 PSI (1-7bar)
– Housing material: Aluminium
– Diaphragm material: Teflon/PTFE
– Fluid inlet/outlet: 1″ NPTF
– Air inlet: 1/4″ NPTF


This membrane diaphragm pump, a kind of positive displacement pump, uses reciprocating Teflon diaphragms to convey the fluid. Teflon (or PTFE) is the most suitable material to withstand even very abrasive materials.


Abrasive fluids and coatings.

Service Manual

66610 service manual (source: Aro/Ingersoll Rand)

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