# pid

**Type:** mxgraph shapes
**Prefix:** `mxgraph.pid2valves`, `mxgraph.pid2inst`, `mxgraph.pid2misc`

## Usage

```xml
<mxCell value="label" style="shape=mxgraph.pid2valves.valve;valveType=gate;" vertex="1" parent="1">
  <mxGeometry x="0" y="0" width="60" height="60" as="geometry" />
</mxCell>
```

## Valve Types

For `mxgraph.pid2valves.valve`, use `valveType=` with:
- `gate`, `globe`, `needle`, `ball`, `butterfly`, `diaphragm`, `plug`, `check`

## Other Prefixes

- `mxgraph.pid2inst` - Instruments (discInst, sharedCont, compFunc)
- `mxgraph.pid2misc` - Miscellaneous