ARO pumper

Cost-effective solutions

ARO pumps offer efficient and cost-effective solutions for transferring liquid from one storage location to another using a resource that most industrial companies already have installed as standard – compressed air.
Diaphragm pumps
Powder membrane pumps

Atex diaphragm pumps

Maximum flow rate: 40.1 l/min. Maximum pressure: 6.9 bar. Available in grounded acetal.

  • Newly developed EXP air motor with unusually low energy consumption.
  • Newly developed long-life membranes.
  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Bolted pump to prevent leakage.
  • ATEX-approved.
Data1/4″3/8″1/2 inch1 1/2"
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar

Electropolished diaphragm pumps

Max. flow rate: 465 l/min. Max. air pressure: 8.3 bar. Available in stainless steel.

  • Newly developed EXP air motor with unusually low energy consumption.
  • Newly developed long-life membranes.
  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Frost-free with Quick Dump technology.
  • Bolted pump to prevent leakage.
  • ATEX-approved.
Data1/2 inch1"1 1/2"2 inches3 inches
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.465 litres per minute.
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar8.3 bar

EXP membrane pumps in metal

Max. flow rate: 197 l/min. Max. pressure: 8.3 bar. Available in aluminium, acid-resistant stainless steel, cast iron and Hastelloy.

  • Newly developed EXP air motor with unusually low energy consumption.
  • Newly developed long-life membranes.
  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Frost-free with Quick Dump technology.
  • Bolted pump to prevent leakage.
  • ATEX-approved.
Data1/2 inch3/4″1"1 1/2"2 inches3 inches
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.465 l/min465 l/min
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar8.3 bar8.3 bar

High-pressure diaphragm pumps

Max. flow rate: 238 l/min. Maximum air pressure: 6.9 bar. Maximum fluid pressure: 13.8 bar. Available in stainless steel.

  • Newly developed EXP air motor with unusually low energy consumption.
  • Newly developed long-life membranes.
  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Frost-free with Quick Dump technology.
  • Bolted pump to prevent leakage.
  • ATEX-approved.
Data1" (3:1)1 1/2" (2:1)2 inches (2:1)3 inches (2:1)
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar

Plastic diaphragm pumps

Max. flow rate: 465 l/min. Maximum pressure: 8.3 bar. Plastic. Available in polypropylene.,
PVDF and earthed acetal.

  • Newly developed EXP air motor with unusually low energy consumption.
  • Newly developed long-life membranes.
  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Bolted pump to prevent leakage.
  • ATEX approved. (Acetal)
Data1/4″1/2 inch3/8″1"1 1/2"2 inches3 inches
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.465 litres per minute.465 litres per minute.465 litres per minute.
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar8.3 bar8.3 bar8.3 bar

Diaphragm pumps in metal

Max. flow: 340 l/min. Max. pressure: 8.3 bar. Available in aluminium, acid-proof stainless steel and cast iron.

  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Bolted pump to prevent leakage.
  • ATEX-approved.
Data1/2 inch1"1 1/2"2 inches3 inches
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.465 l/min
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar8.3 bar

Plastic diaphragm pumps

Max flow rate: 378 l/min. Maximum pressure: 8.3 bar. Available in polypropylene and PVDF.

  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Bolted pump to prevent leakage.
Data1/2 inch1" 1 1/2" 2 inches
Flow rate17.4 l/min40.1 litres per minute54.5 l/min465 litres per minute.
Pressure relief6.9 bar6.9 bar6.9 bar8.3 bar

Diaphragm pump 2”

Max. flow rate: 651 l/min. Maximum air pressure: 8.3 bar. Max. particle size: 50 mm diameter. Available in acid-resistant stainless steel and aluminium.

  • Newly developed EXP air motor with unusually low energy consumption.
  • Newly developed long-life membranes.
  • Never gets stuck in a dead end thanks to an unbalanced air vent.
  • Frost-free with Quick Dump technology.
  • Bolted pump to prevent leakage.