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In the tree view, click Piping > Piping Specification > Model Rules > Nominal Piping Diameter Compatibility Exceptions Rule.
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Click the Insert Row Command to insert a blank row in the grid view.
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In the Nominal Piping Diameter End A column, enter the nominal pipe diameter for the end of the applicable joint that represents End A.
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In the Nominal Piping Diameter Units End A column, type the units for the NPD on End A. For example, type mm or in.
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In the Materials Practice End A column, select the industry practice for the materials grade of the fitting at End A. For example, select German Standards (DIN).
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In the Materials Category End A column, select the classification for the materials grade of End A.
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In the Nominal Piping Diameter End B column, enter the nominal pipe diameter for the end of the applicable joint that represents End B.
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In the Nominal Piping Diameter Unit End B column, type the units for the NPD on End B. For example, type mm or in.
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In the Materials Practice End B column, select the industry practice for the materials grade of the fitting at End B. For example, select German Standards (DIN).
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In the Materials Category End B column, select the classification for the materials grade of the fitting at End B.
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Click the Save Command .
The NPD Compatibility Exceptions Rule sheet inhttps://hexagonppm.com/support/ppm-smart-community workbook corresponds to the Nominal Piping Diameter Compatibility Exceptions Rule node. See Piping Reference Data.