AVK Industrial consists of highly reliable and recognized brands.
Water treatment / desalination plants
Pulp and Paper Industry
Oil & Gas
Dams and Reservoirs
District Cooling & Heating
Mining and slurry
Headquartered in Rotkreuz, Switzerland, InterApp operates its own research and development as well as manufacturing, assembly and testing facilities in Switzerland and In Spain. With more than 40 years of experience, InterApp sets technological standers with their proprietary valve and fluid technology.
ORBINOX is one of the World's leading products of Knife Gate Valves and is present in more than 70 countries worldwide with Over 45 years of experience designing, manufacturing and distributing knife gate valves, penstock, dampers and valves for hydraulic works.
Since 1966, the Dutch company Wouter Witzel has been an international leader in our field for many years. We develop and produce a wide range of high quality industrial butterfly valves and accessories. The products are used in pipelines as shut-off valves, control valves and non-return valves. In addition, full range of manual control devices, actuators and accessories is available for specific conditions.