Wilden Non-metallic Double Diaphragm Pumps

Wilden have years of experience of Double Diaphragm Pumps

Wilden are one of the most established manufacturers of Double Diaphragm pumps and have a firm foothold in many industries. Their extensive range of pumps is available in many optional constructions and provides durability, chemical resistance, abrasion resistance within a good temperature range. Larger pumps have a choice of air motor centre blocks. Other options include bolted or clamp band fasteners and ANSI & DIN flanges.

Sizes and pump construction

  • 1/4″ Polypropylene or PVDF
  • 1/2″ Polypropylene, Carbon-filled Acetal, PVDF or Teflon
  • 1″ Polypropylene or PVDF
  • 1-1/2″ Polypropylene, PVDF or Teflon
  • 2″ Polypropylene or PVDF
  • 3″ Polypropylene

There is a wide range of optional construction materials for internal Seats, Balls and Diaphragms to suit your applications.


FES can supply a full range of spares and accessories.

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About FES – Air-operated pumping specialists

FES was founded in 1985, supplying an extensive choice of high quality pumping equipment to handle a huge variety of fluids.

At FES, we have always believed in customer service and our flexible approach to solving problems means that we will always try our best to provide a solution to some of the most difficult pumping applications.

The Future

FES believes that it can always learn from its customers because every customer has its own individual idea of what it wants to achieve. It is only through the acquisition of knowledge and experience that FES can continue to provide solutions for the future.

Genuine Diaphragm Pumps, Spares and Accessories

We only provide guaranteed genuine manufactured parts and spares for all brands including both Aro and Wilden pumps.

Please email us if the product you are looking for does not appear on our website,. FES Ltd accepts all major Debit & Credit Cards, and payments are in compliance with Data Security Standard (PCI DSS)