InterApp AG
About us
InterApp develops, manufactures, and distributes high-quality valve solutions worldwide.
Its efficient and reliable valve solutions are engineered for the most abrasive and corrosive production processes and are used across a wide range of industries, including water treatment, hydrogen production, semiconductors, chemical processing, life sciences, oil and gas, power generation, HVAC, and swimming pool construction.
With flexible manufacturing capabilities and the expertise of its specialists, InterApp provides one of the most comprehensive product portfolios in the industrial sector. This includes PTFE- and elastomer-lined butterfly valves, double- and triple-eccentric butterfly valves, ball valves, check valves, actuators, and accessories.
InterApp is dedicated to supporting its customers and helping them find the optimal solutions for their processes.
Products & services
BIANCA - PTFE-lined butterfly valve
Ideal for use in corrosive and aggressive media, in potentially explosive atmospheres and in high-purity applications: the Bianca PTFE-lined butterfly valve is available in sizes DN 32 to DN 900 with a body made of ductile iron or stainless steel and various liner and disc materials. It is ideal for long-term use in demanding media and environments such as the semiconductor industry, hydrogen production, the chemical and petrochemical industries, the mining industry and life science applications.
Desponia and Desponia plus - Elastomer-lined butterfly valve
Ideal for use in demanding industrial processes: the elastomer-lined butterfly valves Desponia and Desponia plus are available in sizes DN 25 to DN 1600 (Desponia) and DN 25 to DN 600 (Desponia plus). Robust body options and a wide range of discs and liners, available in a variety of materials, make the Desponia a versatile, modular and technically superior butterfly valve with exceptional reliability and durability.
Aquaria plus - Elastomer-lined butterfly valve
The elastomer-lined butterfly valve Aquaria plus is ideal for HVAC and swimming pool applications and is available in sizes DN 25 to DN 300 with ductile iron-coated or stainless steel disc and a range of actuators.
Complete range
Our range also includes double-eccentric butterfly valves, damper valves, as well as a wide selection of ball valves, gate valves, check valves, actuators and accessories. This comprehensive offering makes us a leading provider of industrial products and solutions. As a full-service partner, we are committed to providing the best solutions for your needs.
ValveFinder®
The InterApp ValveFinder® makes your daily business easier. It allows you to find the optimal solution for your application and the desired medium from a variety of over 25 million possible valve configurations. Easy handling, the option to export configurations as a PDF or Excel file, and the option to request a quote make the decision-making process easier.
Double-eccentric butterfly valve Elara
For water treatment, power plant construction, the chemical industry, life science, paper and pulp industry, petrochemical industry, marine, district heating and cooling as well as air separation plants: our new Elara is available with a carbon steel or stainless steel body, a stainless steel disc and three different easily replaceable seats (MPTFE, metal and fireproof). It is suitable for operating temperatures from -50°C to +400°C and operating pressures up to 50 bar.
Valve Solutions for Wastewater Treatment
Increasing demands and complex processes are presenting modern wastewater treatment with new challenges. InterApp – in cooperation with the AVK Group – offers: + Many years of experience in industrial and municipal wastewater treatment + High-quality butterfly valves, gate valves, check valves and ball valves with all common approvals and certifications + Resistant materials for handling chemically contaminated or abrasive wastewater + A comprehensive product range for pumping stations, aeration basins, digesters, secondary clarifiers, and recovery systems Rely on valves that deliver what they promise.
InterApp Solutions for the Semiconductor Industry
In semiconductor manufacturing, maximum purity is essential – especially when using Ultrapure Water (UPW). Even the slightest contamination can affect product quality, making the use of ultra-clean and reliable components absolutely critical. InterApp butterfly valves meet these demanding requirements: + Bianca in high-purity design + Desponia in grease-free or labs-free version + Manufactured under the strictest cleanroom conditions + Reliable in applications with ultrapure water and high-purity gases Our solutions help meet the industry's exceptionally high quality and safety standards – ensuring a consistently clean and secure production process.