ARO Pro Series air operated diaphragm pumps are ideal for general industrial and OME installation aplications. They can easily pump clean, light vicosity fluids to corrosive, abrasive medium vicosity fluids and can transfer large particles without damage. Due to their pneumatic motor, they may be used in potentially explosive areas. Mostof the ARO diaphragma pumps are ATEX certified (CEEx11 2GD X). Our pump offer the abability to vary the flow outle and discarge pressure as slow as 02.6 gallons (1 Liter) per minut up to 276 gallons (1040 Liter) per minute for our large sizes and adjust fluid preassure up to 123 p.si.(8.5 bar), by using just an air filter/ regulator and a needle valve.