Thank you, dogtop. Have you used Visio P&ID (Link)or just the base version? I noticed that AutoCAD P&ID has been discontinued, and thought that was odd. EDraw is one that I have seen repeatedly. And if it is half as useful as it seems to be then it will be perfect.
Also, for everyone, I used to...
I am working in the environmental field and mapping processes for Leak Detection and Repair (LDAR). I need to create P&IDs for our process to number the components to be inspected and managed under the environmental regulations. Any suggestions on what software to use? FYI - The plant engineers...