NS EN ISO 10628 : 1ED 2001

Foreword
1 Scope
2 Normative references
3 Definitions
4 Classification, information content and presentation of
  flow diagrams
5 Draughting rules
Annexes
A - Equivalent terms in other languages
B - Examples of flow diagrams for process plants
C - Selection of graphical symbols
D - Code letters

Defines general rules for preparing flow diagrams for process plants for representation of the configuration and function of process plants and to form integral parts of the complete technical documentation needed for planning, mechanical engineering, erecting, managing, commissioning, operating, maintaining and decommissioning of a plant.