Description
Industry-standard valve symbols for P&ID (piping and instrumentation diagram) drafting – free DWG files for plumbing and mechanical documentation, drawn in AutoCAD 2021 format.
Valve symbols included:
- Gate valves – manual, pneumatic, motor, hydraulic and bleeder
- Globe valves – pneumatic, motor, hydraulic, angle and needle
- Ball valves – including motor and hydraulic
- Plug valves – including motor and hydraulic
- Butterfly, diaphragm and check valves
- Safety (gas) and relief (liquid) valves
Paste the set onto your P&ID sheet or copy individual symbols into your library. See also the plumbing symbols list, the HVAC symbols list, and the full hydraulic & plumbing symbols category. A free DWG download.
