InterApp - butterfly and ball valves
InterApp, based in Rotkreuz, Switzerland, has its own research and development as well as its own factories in Switzerland and Spain, where production, assembly and testing of the valves takes place. With more than 40 years of experience, InterApp sets the technological standards with its valves and fluid technology.

InterApp is currently under the AVK Group, which at the moment includes 77 companies around the world. AVK Group's main activity is the production of valves, hydrants and accessories for water and gas distribution networks, sewage and fire protection.

Using its long experience in the market and distribution InterApp continuously develops and optimizes its range of market needs.

  • Butterfly valves with an elastomer seal are produced in nominal sizes DN25 - DN1600
  • Butterfly valves with seal of Teflon and stainless disc coated with Teflon are produced in nominal sizes DN32-DN900

These butterfly valves are widely used all over the world with great success, primarily because of the high production quality, which is confirmed by sealing tests of each manufactured valve. The highest material quality ensures the required properties for optimal technical parameters.

The main areas of application for InterApp valves are:

  • The treatment of drinking and waste water
  • Chemical processes
  • Pharmaceutical industry
  • Biotech technologies and processes
  • Electricity production
  • Petrochemical industry
  • Mining industry
  • Processes of desulfurization

More technical information about InterApp production program can be found at: