Stainless Steel Air Operated Double Diaphragm Pumps tend to be general workhorse devices, typically used in transfer applications. SS316 Air Operated Double Diaphragm Pumps are also very much suitable to empty Barrel, Drum, Tanks as it has a capacity to lift the Liquide from 8 Meter negative Suction. SS316 AODD Pump are unique for all Chemical and any Viscosity. SS AODD Pump has no comparison for Continues operation, as it can be run 24 Hours a Day and 7 Days a Week. AODD Pumps are relatively low cost and reliable; they can be run dry and can pump dirty/contaminated liquids.