P&ID Symbols

Below are common symbols normally used in a P&ID, according to ISO 10628 and ISO 14617. Symbols of Instruments used in P&ID Pipe Thermally insulated pipe Jacketed pipe Cooled or heated pipe Jacketed mixing vessel (autoclave) Half pipe mixing vessel Pressurized horizontal vessel Pressurized vertical vessel Pump Vacuum pump or compressor Bag Gas bottle Fan Axial fan Radial fan Dryer Packed column Tray column Furnace Cooling tower Heat exchanger Heat exchanger Cooler Plate & frame heat exchanger Double pipe heat exchanger Fixed straight tubes heat exchanger U shaped tubes heat exchanger Spiral heat exchanger Covered gas vent Curved gas vent (Air) filter Funnel […]

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