For example, a website might publish a blog post titled "50 Essential ISO 14617 Symbols for P&ID" with redrawn graphics. These are legal to download and often exactly what you need.

ISO standards are copyrighted intellectual property. The revenue from selling these standards funds the development of future rules and safety regulations. Downloading a scanned copy from a file-sharing site (like Scribd, Academia.edu, or torrents) is a violation of copyright law and could expose your company to legal liability.

A circle with two horizontal lines passing through it or a rectangle with internal crossing lines (TEMA type).