> For the complete documentation index, see [llms.txt](https://help.auxalia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.auxalia.com/plant-tools/plantspecdriven/how-to-use/configuration/pid-properties/nozzles-class.md).

# Nozzles Class

If you are planning to use Flange symbols or other connecting symbols (e.g. Couplings or Nipples) with [AutoPipe](/plant-tools/plantspecdriven/how-to-use/concepts/autopipe.md), you can also get Flange Symbols or other connecting symbols automatically added to the Nozzles on Equipment.

### <mark style="color:blue;">PSD\_S1\_EndType (mandatory when using AutoPipe)</mark>

For the Inline Assets and Inline Instruments this property will be filled by [Assign Catalog Data](/plant-tools/plantspecdriven/how-to-use/concepts/assign-catalog-data.md) when a Part is selected from the Pipe Spec. However, Nozzles in P\&ID will not get data from a Pipe Spec.

![](/files/fszHGu8s4BSWBlzen5yt)

Therefore, we set the Default Value for the Single Line Nozzle to FL. In this case [AutoPipe](/plant-tools/plantspecdriven/how-to-use/concepts/autopipe.md) will later add a Flange symbol opposite the Nozzle.

![](/files/IBtcdx1qzi0rPMCLNHLH)