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Click Valves in the Material data section.
The Valves dialog opens.
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Open the Global preselection tab.

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Select a class for the desired Calculation Type (valve type) in the drop-down list in the Class column.
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Select the desired Calculation Type (valve type) and click Select ....
The Select valve series dialog opens.

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In the Select valve series dialog, click VDI import....
The Windows explorer opens.

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Select the desired file.
The Classification dialog opens.

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Select the manufacturer, to which the new dataset is to be added and confirm with Enter.
The imported data set is available in the Select valve series dialog.