ISO 4067-1:1984

Technical drawings — Installations — Part 1: Graphical symbols for plumbing, heating, ventilation and ducting

Establishes basic symbols for drainage and water supply, space heating and cooling, and ducted air handling systems. They may be combined with designations specified in a description ora system of more detailed symbols based on these basic symbols. This part of ISO 4067 will be modified as soon as results are available from the work concerning the coordination of symbols for use in drawings in all technical areas.