After installation, you can open the catalog in Spec Editor

After installation just run the PLANTREGISTERCUSTOMSCRIPTS command and restart Autodesk® AutoCAD® Plant 3D.

The app will install the content to the C:\AutoCAD Plant 3D Content folder. 

Create a new spec and add all components from the catalog to the spec.

Load the spec created in Plant 3D and use the available part in your projects

Installation notes:

These catalogs are compatible with AutoCAD Plant 3D 2019 & higher versions. This installer will copy the catalog “Hershey Valves Catalog -Metric.pcat” into your content catalog location. The default location is: C:\AutoCAD Plant 3D 2023 Content\ CPak Common\Hershey Valves Catalog -Metric\

Uninstallation notes:

To uninstall this content pack, please go to Control Panel => Programs and Features => select the " Hershey Valves Catalog -Metric " => Uninstall