Double diaphragm pumps from the PRO series

Ideal for general industrial and OEM installation applications

ARO<sup>®</sup> Double diaphragm pumps from the PRO series

The compressed air-driven diaphragm pumps from the PRO series are ideal for general industrial and OEM installation applications. The double diaphragm pumps deliver a high pump output of up to 897 l/min for products ranging from clean, low-viscosity liquids to corrosive, abrasive, medium-viscosity liquids and can pump large particles without any damage.

Most ARO® diaphragm pumps are also ATEX-certified (CE Ex11 2GD X).

Product catalogue ARO® PRO series

Advantages of double diaphragm pumps from the PRO series:

  • Seal-free construction
  • Low material wear translates into high reliability
  • Rapid maintenance and repairs thanks to easy access to ball retaining valves and liquid covers
  • Multiple connection options provide flexibility for the intended use
  • Can be run dry without incurring any damage
  • Mobile use
  • Self-priming
  • Simple installation
  • Available for use in hazard zones (ATEX, NEC and CEC certifications)

The diaphragm pumps from the PRO series are available in the following materials

Non-metallic material Polypropylene, Acetal and PVDF
Metallic materials Aluminium, Cast iron, Stainless steel and Hastelloy

Overview of ARO® plastic double diaphragm pumps from the PRO series

Nominal width 1/2" 1" 1 1/2" 2"
Maximum volumetric flow (l/min) 54,5 178 378,5 548,8
Maximum outlet pressure (bar) 6,9 8,3 8,3 8,3
Material connection 1/2"
NPT, BSP
1"
NPT, BSP,
ANSI / DIN flange
1 1/2"
ANSI / DIN
flange
2"
ANSI /DIN
flange
Air connection 1/4" NPT 1/4" NPT 1/2" NPT 1/2" NPT
Materials Polypropylene
Groundable acetal
Polypropylene Polypropylene Polypropylene
Maximum proportion of solids (mm) 2,4 3,2 6,4 6,4
ATEX Yes,
with conductive acetal
- - -

*Further versions with different nominal widths (1/4", 3/8", 3/4") on request

Overview of ARO® metallic double diaphragm pumps from the PRO series

Nominal width 3/4" 1" 1 1/2" 2" 3"
Maximum volumetric flow (l/min) 51,5 133 340,7 651 897
Maximum outlet pressure (bar) 6,9 8,3 8,3 8,3 8,3
Material connection 3/4"
NPT, BSP
1"
NPT, BSP
1 1/2"
NPT, BSP
2"
NPT, BSP
3"
NPT, BSP
Air connection 1/4" NPT 1/4" NPT 1/2" NPT 3/4" NPT 3/4" NPT
Materials Aluminium Aluminium,
Cast iron
Stainless steel
Aluminium,
Cast iron
Stainless steel
Aluminium,
Cast iron
Stainless steel
Aluminium,
Cast iron
Stainless steel
Maximum proportion of solids (mm) 2,4 3,2 6,4 6,4 9,5
ATEX All types All types All types All types All types

*Further version with nominal width (1/2") on request