Verderair VA50 metallic

2" Inch (50mm) Diaphragm Pump.

For transferring of lubricants, oils, solvents, chemicals and other fluids. Even used for dewatering and sump evacuation.

Flow rates up to 568 L/min and pressures up to 8.4 bar.

Features of Air Operated Diaphragm Pumps:

  • Self priming, dry running
  • Rugged construction
  • Aluminium or stainless steel construction
  • Various elastomer options
  • Anti-freeze/anti-stall and lube free
  • Externally serviceable air distribution systems

Enquire here for more information or to request a quote:


Maximum fluid flow 568 l/min
Maximum Fluid Discharge Pressure 8,4 bars
Maximum air pressure 8,4 bars
Suction- and discharge connections 2" BSPT or NPT(F)
Air inlet connection 1/2" NPT(f)
Maximum suction lift dry 3,7 m WC
wet 6,4 m WC
Maximum size pumpable solids 6,3 mm
Materials liquid parts Aluminium, Stainless Steel, Cast Iron
Available materials valves Acetal, Polypropylene, Stainless Steel, Kynar, Buna-N, Viton, Geolast, Santoprene, Hytrel, Hardened Steel
Available materials balls Buna-N, Acetal, Santoprene, Hytrel, Viton, Geolast, PTFE, hardened Steel
Available materials diaphragms Buna-N, Viton, Geolast, PTFE/EPDM overmold, PTFE/Neoprene 2 pieces, Hytrel, Santoprene
Material center section Aluminium, Stainless Steel
Atex ( Ex II2 GD c IIC T4) Yes


  • Drum transfer
  • Unloading fluids
  • Chemical evacuation
  • Ceramic glaze supply
  • Dewatering and sump evacuation
  • Tank and sump drainage
  • Filter Press
  • Tank Stripping
  • Bilge pumping
  • Oil transfer and oil skimming
  • Chemical plating



 How an Air Operated Diaphragm Pump Works:


How to Read an Air Operated Pump Curve:


Do you keep these diaphragm pumps in stock?

Yes. Global Pumps stocks a complete range of these air operated diaphragm pumps in stock and ready for immediate shipping.

How to read an Air Operated Diaphragm Pump curve?

We often had this question asked, so we created a video to explain how to read and determine the values. You can watch the video here: How to read an Air Operated Diaphragm Pump curve.

Where do you deliver and what is your estimated shipping times?

At Global Pumps, we understand how important it is for you to receive your order as quickly as possible. That's why we strive to provide speedy delivery to your door, no matter where you are located across Australia.

Below is a guideline of how long it takes to ship our products to some of Australia's major cities. Of course, we can also deliver elsewhere around the nation, so if your location isn't mentioned don't worry, just talk to the team at Global Pumps!

Locations: Shipping Time Range:
Melbourne 1-2 Days
Sydney 2-3 Days
Brisbane 2-4 Days
Perth 2-4 Days
Adelaide 1 Day
Kalgoorlie 3-5 Days
Mt Isa 3-5 Days
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