Wilden Metallic Double Diaphragm Pumps

Wilden metal pumps are ideal for tough and special applications

An extensive range of pumps covers the majority of pumping applications. Most pumps have a choice of air motor centre blocks. Standard pump construction materials such as Aluminium, Cast Iron and Stainless Steel have been complemented with Hastelloy and polished 316 Stainless Steel. General options include bolted or clamp band fasteners and ANSI & DIN flanges.

Sizes and pump construction

  • 1/4″ Aluminium, Stainless Steel or Hastelloy
  • 1/2″ Aluminium, 316 Stainless Steel or Hastelloy
  • 3/4″ Aluminium, 316 Stainless Steel or Hastelloy
  • 1-1/4″ Aluminium, 316 Stainless Steel, Cast Iron or Hastelloy
  • 2″ Aluminium, 316 Stainless Steel, Cast Iron or Hastelloy
  • 3″ Aluminium, 316 Stainless Steel, Cast Iron or Hastelloy
  • 4″ Cast Iron

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

Hygienic pumps

Wilden have a full range of pumps sized 1/2″ to 3″ complete with quick-release, hygienic clamps that have been specially designed for industries such as food and pharmaceuticals.


FES can supply a full range of spares and accessories.

Sample these Products

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)