Presentation on theme: "Piping and Instrument Diagrams"— Presentation transcript:
1 Piping and Instrument Diagrams CM4120Chemical Plant Operations
2 A P&ID is: A P&ID is not: Language of Symbols Schematic of Process Displays Relative Orientation/ConfigurationCommunication ToolGraphical Table of ContentsPiping IsometricEquipment Fabrication DiagramScale DrawingControl Logic DiagramSomething to Convey Process Information!
3 Line Designator - First Letter W - Water or Heat TransferFluidL - Process FluidG – Gas (not a process fluid)V - Vent or VacuumS - SteamC - Condensate
4 Line Designator - Pipe Size Following line numberis the line sizeGiven in inches
5 Line Designator - Pipe Spec. A – 316 SS tubingw/.038” wallC SS pipeSchedule 40D - Carbon SteelSched. 40 (steam)Sched. 80 (Syltherm)H - Copper Tubing