ISO 10628

ISO 10628 Diagrams for the chemical and petrochemical industry specifies the classification, content, and representation of flow diagrams. It does not apply to electrical engineering diagrams. ISO 10628 consists of the following parts:

  • Part 1: Specification of Diagrams (ISO 10628-1:2014)[1]
  • Part 2: Graphical Symbols (ISO 10628-2:2012)

This document supersedes ISO 10628:2000 and ISO 10628:1997.[2]

General principles

common elements of flow charts consist of:

Symbols
Symbols in ISO 10628-2
  • Symbols in group 1 (vessels and tanks); group 2 (columns with internals)
    Symbols in groups 1 - 2
  • Symbols in group 3 (heat exchangers); group 4 (steam generators, furnaces, recooling device); group 5 (cooling tower)
    Symbols in groups 3 - 5
  • Symbols in group 6 (filters, liquid filters, gas filters); group 7 (screening devices, sieves, and rakes); group 8 (separators); group 9 (centrifuges)
    Symbols in groups 6 - 9
  • Symbols in group 10 (drier); group 11 (crushing/grinding machines); group 12 (mixers, kneaders); group 13 (shaping machines — processing in vertical direction); group 14 (shaping machines — processing in horizontal direction); group 15 (liquid pumps); group 16 (compressors, vacuum pumps); group 17 (blowers, fans)
    Symbols in groups 10 - 17
  • Symbols in group 18 (lifting, conveying and transport equipment); group 19 (proportioners, feeders and distribution facilities); group 20 (engines)
    Symbols in groups 18 - 20
  • Symbols in group 21 (valve); group 22 (check valve); group 23 (valves and fittings with safety functions); group 24 (fittings); group 25 (graphical symbols for piping)
    Symbols in groups 21 - 25
  • Symbols in group 26 (apparatus elements); group 27 (internals); group 28 (agitators, stirrers); group 29 (internal characteristics and built-in components)
    Symbols in groups 26 - 29

See also

Notes and references
  1. "ISO 10628-1:2014 Diagrams for the chemical and petrochemical industry — Part 1: Specification of diagrams"
  2. ISO 10628-2:2012 Diagrams for the chemical and petrochemical industry — Part 2: Graphical symbols


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