Diaphragm pumps are the most user friendly pumps available, handling a wide variety of liquids from waste waters to corrosive chemicals.
They have no seal so can run dry, can process entrained air,
Self-prime easily & are very simple to use.
Ease of use
Handle low to medium viscosities & sludge’s
Variety of construction materials for dealing with corrosive liquids
Fairly reliable & tolerate operator misuse
Easy to repair
Low service requirement
Process entrained air
Low flow rates
Temperatures limited to around 80oC
Higher operating costs due to cost of air
Complicated to automate operation
Common brands serviced include;
Graco, Iwaki, Yamada, Wilden, SPX, Almatec, Sandpiper, ASM, ARO - Ingersoll Rand, Pumps 2000, Versamatic, Blagdon