> For the complete documentation index, see [llms.txt](https://help.besmart.software/t4r/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.besmart.software/t4r/features/list-of-mep-features/pipe-duct-symbols.md).

# Pipe / Duct Symbols

Adds direction symbols to selected pipes or ducts

**Icon:** <picture><source srcset="/files/ZZ5rGAabvonZr1TPkPF8" media="(prefers-color-scheme: dark)"><img src="https://1447183368-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmPkPo171IOKFjHd2P5BI%2Fuploads%2Fwl0epVtqdGiVYBqkIoAM%2FPipeDuctSymbols.png?alt=media&amp;token=de22f430-9633-4486-b74f-32b91d3b4b26" alt="" data-size="line"></picture>

**Location:** ribbon Be.Smart T4R MEP, panel Description

**Packages:** Be.Smart T4R Silver

### Overview

The function Duct symbols adds annotation symbols on ducts and pipes.&#x20;

In the dialogue, you can specify the system, symbol, offset and diameter.

<div align="left"><figure><img src="https://1447183368-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmPkPo171IOKFjHd2P5BI%2Fuploads%2FJjc60H7CYqr8ztTqroi4%2Fpipes%20symbols.png?alt=media&amp;token=ffda19e3-11b0-4ef9-b925-2e5281d6c69c" alt="" width="452"><figcaption></figcaption></figure></div>

#### Click to play the video tutorial ↓

{% file src="/files/1CC4WAhQmxCMuKOjji3z" %}
