scope:

This Standard specifies graphical symbols in diagrams for

(a) mechanical elements such as weights, springs, clutches and brakes

(b) pipe and duct elements such as restrictors, nozzles and air vents

(c) devices for storage such as tanks, pressure vessels and gas bottles

For the fundamental rules of creation and application of graphical symbols in diagrams, see ASME Y14.40.0.

For an overview of the ASME Y14.40 series, information on the creation and use of registration numbers for identifying graphical symbols used in diagrams, rules for the presentation and application of these symbols, and examples of their use and application, see ASME Y14.40.1.