Valve P&ID symbols

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Commonly used P&ID symbols (Piping and Instrumentation Diagram symbols) for manual valves. Note that they may differ slightly from one project to another.

Gate Valve  

Normally Closed Gate Valve  

Ball Valve  

Normally Closed Ball Valve  

Globe Valve  

Butterfly Valve

Check Valve

Plug Valve

Needle Valve

Self Draining Valve

Integrated Block and Bleed Valve

Auto Recirculation Valve

Angle Valve

Angle Globe Valve

3-way Valve

Y Blowdown Valve

Angle Blowdown Valve