ISO 561:1989 Preview
Coal preparation plant -- Graphical symbols
This standard was last reviewed and confirmed* in 2015.
*Therefore this version remains current
The symbols have been selected in accordance with the following principles: a) the plants should be widely used; b) the symbols should be easy to draw and readily be distinguishable one from another; c) the principle and not the appearance of any particular type of machine should be represented, d) where a single symbol represents a group of items for which separate symbols are s-tandardized nationally, the ISO symbol should be readily distinguishable from any one of the national symbols.
Current status : PublishedPublication date : 1989-11
Edition : 2Number of pages : 13
Technical Committee:Coal preparation: Terminology and performance
- ICS :
Equipment for processing of minerals
Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation