CADXChange

ResourcesDWG symbol librariesISO 14617: Graphical symbols for diagrams

Machines, heat transfer, separation and handling

ISO 14617: Graphical symbols for diagrams: Machines, heat transfer, separation and handling: 282 ready-made AutoCAD blocks (DWG), free to download and use in your own projects, as a ZIP or one symbol at a time.

282 blocks: pumps, compressors and fans, fluid power machines and cylinders, heat exchangers, boilers, turbines and engines, devices for separating, purification and mixing, material treatment, and transport and handling of material.

Version 1.0 · updated October 17, 2026

Download ZIPPreview in browser

Using AutoCAD 2017 or an earlier version? Download the 2010 format

Free to use and modify in your own projects, including commercial ones. The ZIP holds one plain DWG file in AutoCAD 2018 format and a README; no add-in needed. Provided as is, without warranty.

All 282 symbols

282 of 282 symbols

Missing a symbol? Tell us which one.

Attributes for parts lists

Symbols of devices carry a visible tag (for example V-101) and invisible attributes for the schedule: SERVICE, SIZE, FLOW_M3H, POWER_KW, RANGE, SIGNAL, MANUFACTURER, MODEL and REMARKS. Plain graphical symbols such as lines, arrows and qualifiers have no tag. All blocks carry STD_CLAUSE and STD_REF.

Export the blocks of a diagram to Excel with BlockSync, check the list against the drawing and write the corrections back in one run, with preview and backup.

How to use the library

  1. Unzip the file and open the DWG. Copy the symbols you need into your plan, or drag the blocks in from DesignCenter (ADCENTER).
  2. The symbols are drawn in millimetres on the module of the standard (2.5 mm), mostly 5 to 30 mm in size. Insert them at scale 1 and scale the block up or down to the size of your diagram.
  3. Place the block and join your lines to its ends. Where the standard shows a symbol together with a line or a stub, the line is part of the block. Explode a block if you need to adapt it.
  4. The standard orders its symbols as basic symbols, supplementary symbols that are combined with them, and application examples. The catalog follows that order, and the clause of every symbol is stored in the attribute STD_CLAUSE.