Low pressure aluminium pump, double diaphragm, ratio 1:1

Delivery: 24 l/m
Thread: F 3/8″

General features

Diaphragm pumps offer significant advantages over other types of pumps, such as the absence of mechanical seals and / or gaskets that are often responsible for the pump breaking under tough working conditions.
These pumps are self-priming, so it is not necessary to fill the fluid suction column to operate and can be used to aspirate liquid deposits, initially having suction pipe full of air.
Maintenance is fast and simple and it’s easy to replace components, which makes this type of pump equipment with a very low operating cost.
Diaphragm pumps are very versatile: different set-up are available depending on the working temperatures and fluid to aspire.
The most commonly used materials are neoprene, Viton, Teflon, polyurethane and other synthetic materials.
The high resistance to corrosion and the fact that they do not need to be primed to operate make these pumps widely used in industry for moving almost any liquid (acids, paints, construction, solvents, ceramic industries, chemical industries, food, paints, inks …).


This pump has been designed for transferring or pumping solvents, paints, inks, oil, gasoline and abrasive fluids.
In acid-proof version, it is ideal for transferring or pumping highly corrosive liquids.
The double diaphragm system enables a rapid reversal stroke, maintaining constant refilling with no pulsation.
This equipment has been designed to manage any type of air gun; volumetric, automatic, HVLP, etc.


  • Lightweight and compact
  • No maintenance
  • Very low air consumption
  • No lubrication

Technical features

It is a pneumatic double diaphragm pump built for transferring and supplying all standard density liquid products. The direct suction from the source container ensures constant supplying. All parts in contact with the product are made of a special acid-resistant and flame-retardant material. No lubrication needing. High reliability.

Operating principle

The operating principle of a double diaphragm machine is based on two diaphragms’ pneumatic movement. The compressed air moves the air motor which drives a shaft. Two membranes, linked to both the ends of the shaft, alternately pull in and push out the material. Air pumps operate at low pressure (from 0 to 7 bar). Le pompe ad aria lavorano in bassa pressione (da 0 a 7 bar).

Applications’ field

  • Mechanical Industry
  • Construction
  • Carpentry
  • Transferring
  • Chemical Industry
  • Car-washing
  • Printers


  • Impregnating
  • Lackey
  • Epoxy paints
  • Polyurethane paints
  • Enamels
  • Paints
  • Water-based paints
  • Solvent-based paints

Compression ratio: 1:1
MAX pressure: 8 bar
MAX inlet air pressure: 8 bar
MAX flow rate: 24 l/m