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
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