Description: Alphanumeric designation (starting with DN) of size for components in a piping system, used for reference purposes; Name: Nominal size socket/pipe
Description: Alphanumeric designation (starting with DN) of the size for components in a pipeline system, used for reference purposes; Name: Nominal size of nozzle/pipe
Description: The specifying designation (type name, type code, abbreviated name, article number) for distinguishing by type and size or design (variant) of the used product/material; Name: Type description