This shows some of the process flow valves that are included in the RFFlow
software. They are used to draw process flow diagrams (PFDs) or process and
instrument drawings (P&IDs).
If you haven't already done so, first download the
version of RFFlow. It will allow you to open any chart and make
Once RFFlow is installed, you can open the above chart in RFFlow by clicking
From there you can zoom in, edit, and print this sample chart. It is often
easier to modify an existing chart than to draw it from scratch.
To draw this flow chart without downloading it, run RFFlow, click on the
More Shapes button
, scroll and open the Industrial Objects
folder, click the Valves
and click the Add Stencil