With more than 50 years of experience in developing and manufacturing PTFE-lined and elastomer-lined butterfly valves, InterApp provides reliable valve solutions for the most demanding industries, applications and projects around the world. 

The butterfly valves Bianca, Desponia® and Desponia® plus, available with different body, liner and disc materials, set standards in terms of durability, performance and reliability. Backed by a flexible production and a team with extensive product and project expertise, the best process-specific solution serving your application is created. 

The vast product portfolio comprises centric, double eccentric and triple eccentric butterfly valves, ball valves, check valves, actuators and accessories.

InterApp valves stand for safety and reliability and convince in demanding industries such as water treatment, power generation, chemical process, life science, pulp & paper, oil & gas, marine, dams & reservoirs, district cooling & heating, mining & slurry, bulk handling, air separation and steel industry.