Symbols of Chemical Apparatus and Equipment
Below are listed some symbols of chemical apparatus and equipment normally used in a P&ID, according to DIN 30600 and ISO 14617.
| 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 | ||||
| Steam trap | Viewing glass | Pressure reducing valve | Flexible pipe | ||||
| Valve | Control valve | Manual valve | Back draft damper | ||||
| Needle valve | Butterfly valve | Diaphragm valve | Ball valve |
Read more about this topic: Piping And Instrumentation Diagram
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