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InterApp

High performance products for high performance power plants

Irrespective of the kind of power plant, a reliable and sustainable partner is essential to guarantee the efficiency of your power plant during its entire lifecycle. As a recognised manufacturer of industrial valves, we offer efficient solutions for the most diverse energy sectors.

Renewable energies
Biomass plants
Hydropower plants
Wind and solar plant

Conventional energies
Coal-fired power plants


Consistent reliability

Since power plants require customised solutions, the understanding and expertise of the specific needs in this field are of paramount importance. This is why InterApp’s engineers have acquired a sound knowledge of the different processes. It is based on these insights that we have developed a wide range of products that convince in terms of durability, performance, reliability and resistance in abrasive conditions.

InterApp valves are used in power plant processes, such as flue gas desulphurisation in coal and oil-fired power plants or water cooling and water treatment including demineralisation in general.
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Desponia® – DN 25 up to 1600

The centric elastomer-lined Desponia® butterfly valve is designed for all kind of power plants and working pressures up to 16 bar.

Available with ductile iron body, the valves can be configured with discs of Super austenitic steel, Super Duplex, Stainless steel, PEKK, Hastelloy, as well as with EPDM, EPDM-HT, NBR, NBR gas, NBR-H, FPM and Flucast® liners.

Executions for explosive atmospheres, Quick closing valve EN 161, TA Luft and bonded liner for vacuum are available. Desponia® is approved according to SIL-2.

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Desponia® plus – DN 25 up to 600

The centric elastomer-lined Desponia® plus butterfly valve is designed for all kind of power plants and working pressures up to 20 bar.

Available with ductile iron, carbon steel or stainless steel body, the valves can be configured with discs ofSuper austenitic steel, Super Duplex, Stainless steel, PEKK and Hastelloy, as well as with EPDM, EPDM-HT, NBR, NBR gas, NBR-H, FPM and Flucast® liners.

Executions for explosive atmospheres, Quick closing valve EN 161, TA Luft and bonded liner for vacuum are available. Desponia® plus is approved according to SIL-2.

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Bianca – DN 32 up to 900

The centric PTFE-lined butterfly valve Bianca is designed for highly corrosive applications.

Available with ductile iron body, the valve offers configurations with PFA-overmoulded or Duplex disc and PTFE, PTFE antistatic, Ultraflon® liner.

Executions for explosive atmospheres are available. Bianca is approved according to SIL-3.

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Further products

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