1、P&IDPiping & Instrument Diagram,What is P&ID,Basic Engineering documentIndicating -Process Requirement -Equipment in the Plant-Piping and Piping Component-Instrument and LogicRelations,What should be indicated on P&ID?,Process requirement,- PFD : all line and flow, every item- not on PFD : relieving
2、 system, pump minimum flow,compressor anti surge flow, isolation system- item for maintenance, operation, pre-commissioning,commissioning, start-up,What should be indicated on P&ID?,Equipment,- all equipment with exact number and components : all nozzles, manholes, internals- type of connection to p
3、iping- equipment item number, service name, major specification,What should be indicated on P&ID?,Piping,- all lines for normal operation, startup, shutdown, emergency, special operation, and maintenance- all piping components (valves etc.) and notes on them (CSO, CSC, TSO) - line information : line
4、 no., size, fluid symbol, piping service class, insulation- configuration requirement : No Pockets, Free Draining,What should be indicated on P&ID?,Instrumentation,- instrumentation for controlling, monitoring, emergency shutdown, sequence control, interlock, automatic start/stop- field instrument-
5、control and shutdown valves with their type, size, failure status- pressure relief valves with their set pressure and size- kind of signal : pneumatic, electric, hydraulic, capillary tubing,softlink,What should be indicated on P&ID?,Other,- battery limit between client and contractor- area battery l
6、imit- change of responsibility between Piping and Instrument, Contractor and Vendor- extent of packaged equipment supply- breaks of line information : line number, piping service class, insulation,What information can you get?,For EquipmentOutline/InternalsFor PipingLine No./Size/Material/Insulation
7、/Line Configuration/Piping Component TypeFor InstrumentTag No./Function/Control Method,P&ID is used for,Detail Engineering of each disciplinesPiping layout/Material PurchaseInstrument Logic/DCS Plan, etcPlanning of Construction/Commissioning/Plant Operation/Maintenance,How to Develop/Finalize,P&ID I
8、FH,P&ID Symbols,P&ID Symbols,P&ID Symbols,P&ID Symbols,P&ID Practices,Control valve loop,LT/FT Cascade Control,Split range control(1),Split range control(2),Place equipment and its componentsConnect main pipingComplete control valve loop Place other instrument and connect signals Indicate safety devices incl. alarmPlace piping components (Valve/Fitting) as requiredCheck detail and add items required incl. vent/drain connection,
