Expect AVK
High-quality valve solutions for the industry
For transporting liquids, gases and solids.
Product rangeOUR BRANDS
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interapp
Highly configurable elastomer-lined and PTFE-lined butterfly valves
For all industrial applications and highest safety standards.
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orbinox
Resistant uni-directional and bi-directional knife gate valves
For water treatment, mining, power generation, pulp & paper and air separation.
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wouter witzel
Vulcanized bonded butterfly valves
For water treatment, power generation, oil & gas, marine and mining & slurry.
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green hydrogen production
Safe oxygen handling and metal ion-free water for the green hydrogen production
Safe oxygen handling and metal ion-free water for the green hydrogen production
with InterApp high-purity butterfly valves.
Learn moreValvefinder Find the perfect solution for your application
from over 900’000 possible configurations.
Valvefinder
special executions
Efficient valve solutions for highly customised needs
Efficient valve solutions for highly customised needs
Our team of highly skilled experts and our flexible productions deliver the optimal solution for your application.
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Electronics and semiconductor industry Ultrapure water for faultless products
with InterApp butterfly valves in high purity and grease-free design.
Case Study