ARO Pumps

Cost-effective solutions

ARO Pumps provide efficient and cost-effective solutions for transferring liquids from one storage location to another by utilizing a resource that most industrial operations already have installed as a basic component – compressed air.
Diaphragm pumps
Powder diaphragm pumps

Atex Diaphragm pumps

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

  • Newly developed EXP air motor with exceptionally low energy consumption.
  • Newly developed diaphragms with long lifespan.
  • Never hangs in any end position due to unbalanced air exchange valve.
  • Bolted pump to prevent leakage.
  • ATEX approved.
Data1/4″3/8″1/2″1 1/2″
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.
Discharge pressure 6,9 bar6,9 bar6,9 bar8,3 bar

Electropolished diaphragm pumps

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

  • Newly developed EXP air motor with exceptionally low energy consumption.
  • Newly developed diaphragms with long lifespan.
  • Never hangs in any end position due to unbalanced air exchange valve.
  • Freeze-free operation using Quick Dump technology.
  • Bolted pump to prevent leakage.
  • ATEX approved.
Data1/2″1″1 1/2″2″3″
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.465 l/min.
Discharge pressure 6,9 bar6,9 bar6,9 bar8,3 bar8,3 bar

EXP metal diaphragm pumps

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

  • Newly developed EXP air motor with exceptionally low energy consumption.
  • Newly developed diaphragms with long lifespan.
  • Never hangs in any end position due to unbalanced air exchange valve.
  • Freeze-free operation using Quick Dump technology.
  • Bolted pump to prevent leakage.
  • ATEX approved.
Data1/2″3/4″1″1 1/2″2″3″
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.465 l/min465 l/min
Discharge pressure 6,9 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 liquid pressure: 13.8 bar. Available in stainless steel.

  • Newly developed EXP air motor with exceptionally low energy consumption.
  • Newly developed diaphragms with long lifespan.
  • Never hangs in any end position due to unbalanced air exchange valve.
  • Freeze-free operation using Quick Dump technology.
  • Bolted pump to prevent leakage
  • ATEX approved.
Data1″ (3:1)1 1/2″ (2:1)2″ (2:1)3″ (2:1)
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.
Discharge pressure 6,9 bar6,9 bar6,9 bar8,3 bar

Plastic diaphragm pumps

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

  • Newly developed EXP air motor with exceptionally low energy consumption.
  • Newly developed diaphragms with long lifespan.
  • Never hangs in any end position due to unbalanced air exchange valve.
  • Bolted pump to prevent leakage.
  • ATEX approved. (Acetal)
Data1/4″1/2″3/8″1″1 1/2″2″3″
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.465 l/min.465 l/min.465 l/min.
Discharge pressure 6,9 bar6,9 bar6,9 bar8,3 bar8,3 bar8,3 bar8,3 bar

Pro metal diaphragm pumps

Max flow rate: 340 l/min. Maximum pressure: 8.3 bar. Available in aluminum, acid-resistant stainless steel, and cast iron.

  • Never hangs in any end position due to unbalanced air exchange valve.
  • Bolted pump to prevent leakage.
  • ATEX approved.
Data1/2″1″1 1/2″2″3″
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.465 l/min
Discharge pressure 6,9 bar6,9 bar6,9 bar8,3 bar8,3 bar

Pro plast diaphragm pumps

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

  • Never hangs in any end position due to unbalanced air exchange valve.
  • Bolted pump to prevent leakage.
Data1/2″1″ 1 1/2″ 2″
Flow
rate
17,4 l/min40,1 l/min54,5 l/min465 l/min.
Discharge pressure 6,9 bar6,9 bar6,9 bar8,3 bar

Flap 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 aluminum.

  • Newly developed EXP air motor with exceptionally low energy consumption.
  • Newly developed diaphragms with long lifespan.
  • Never hangs in any end position due to unbalanced air exchange valve.
  • Freeze-free operation using Quick Dump technology.
  • Bolted pump to prevent leakage.
  • ATEX approved.