Standard P&ID Symbols Legend | Industry Standardized P&ID Symbols Piping and Instrument Diagram Standard Symbols Detailed Documentation provides a standard set of shapes & symbols for documenting P&ID and PFD, including standard shapes of instrument, valves, pump, heating exchanges, mixers, crushers, vessels, compressors, filters, motors and connecting shapes. Instrument Indicator Computer Indicator LC 65 Behind Control Programmable Indicator PT 55 Pressure Transmitter On Central Control Displayed Programmable Device PR 55 Pressure Recorder On Local Control Pane Computer PC Pressure Controller Behind a Local Control Unit Control Panel Indicator 2 55 TI Temp Indicator T T Indicator 3 Indicator 4 Indicator 5 50 Odometer TR TC FI FT Pressure Gauge FR Temp Transmitter Temp Recorder Temp Controller Flow Indicator Flow Transmitter 105 PRC LA 25 FE TE LG AT Thermometer Shared Indicator Displayed Configurable FC LI PI LT 65 Pitot Tube Flow Controller Level Indicator Pressure Indicator P S P X X Not Gate Correcting Element Diamond Pressure Indicating Pressure Gauges Weir Meter Thermometers Pressure Recording Ultrasonic Meter Level Alarm Averaging Pitot Tube V-cone Meter Level Meter Flow Element Venturi Meter Temperature Element Quick Change Turbine Meter Level Gauge Analyzer Transmitter Rotometer Double Transducer Steam Traced Coriolis Flow Sensor Flow Nozzle Meter Flume Meter Manhole Socket Connection Specialty Item Venturi S Or Gate Wedge Meter Flow Recorder 1 Flowmeter Pitot Tube Type Flow Target Meter PIC 40 TT Magnetic Level Controller Support Bracket Sampler Flowmeter Support Leg Straightening Vanes Level Transmitter D Diaphragm Meter Vortex Sensor Support Ring Level Recorder R Rotary Meter And Gate Support Skirt Hand-Operated Gate Valve Check Valve 2 S Solenoid Valve 4-way Plug Valve Pinch Valve Gate Valve Butterfly Valve Closed Gate Valve Flanged Valve Hand-Operated Globe Valve Flanged Valve 2 Shared Indicator LR 65 Valves Globe Valve M Angle Valve Hand-Operated Plug or Cock Valve Check Valve Motor-Operated Valve Electro-Hydraulic Valve Balanced Diaphragm Gate Valve Pilot Gate Valve Gauge Bleeder Valve Spring Gate Valve W Integrated Block Valve Relief Valve Powered Valve Slide Valve Maual Integrated Valve Angle Valve Float-Operated Valve Metering Coke Orifice Needel Valve Back Pressure Regulator Auto Recirculation E/H Ram Valve Angle Globe Valve Piston-Operated Valve P 4-way Valve Hydraulic Valve Weight Gate Valve Rotary Valve Control Valve H Minimum Flow Valve Knife Valve Angle Blowdown Valve Needle Valve Ball Excess Flow Valve 3-Way Valve Normally Closed Ball Post Indicator 3-Way Valve 2 Diaghragm Self Draining Valve 3-Way Plug Valve Plug Valve Rotameter Quarter Turn Valve Double Acting Quarter Turn Valve Spring Acting Water Flow Meter Diaphragm Valve Self-Operating Release Valve Reciprocating pump Diesel motor Pumps Compressor Reciprocating Compressor Reciprocating Compressor 2 Axial Compressor Centrifugal pump Centrifugal pump 3 Centrifugal Centrifugal pump 4 Rotary Compressor 2 Turbine pump Positive displacement pump 2 Centrifugal pump 2 Compressor silencers Rotary Compressor Sump pump Rotary pump Fan Rotary gear pump Selectable fan Peristaltic pump Fan blades Gas blower Fan blades 2 Gear pump Vertical pump ISO centrifugal pump ISO diaphragm pump ISO gear pump ISO Progressive pump ISO positive displacement pump Triple fan blades Rotory Compressor and silencers Liquid ring Compressor Pump 2 ISO Liquid pump ISO reciprocating piston pump Proportioning pump Axial flow fan Liquid ring vacuum pump Vacuum pump ISO screw pump Turbine driver Centrifugal Compressor T Centrifugal Compressor 2 Selectable Compressor Screw pump Doubleflow turbine Positive displacement pump Screw pump 2 Pump Motor driven turbine Cavity pump Centrifugal Compressor 3 Horizontal pump Centrifugal blower Positive displacement pump Submersible pump Ejector Vertical pump Reciprocating pump Spray Packing column Boiler Covered Tank Thermal Insulation Vessel Dome Boiler Floating Roof Tank Heating-cooling Jacket Vessel Knock-out drum Hot Liquid Boiler Open Bulk Storage Brackets Vessel Bag Tank Dome Roof Tank Dished Ends Vessel Bag (ISO) Tank 2 Cone Roof Tank Pit Vessel Barrel Tank 3 Internal Floating Roof Tank Electrical Heating Vessel Staggered Baffle Trays Column Barrel (ISO) Tank 4 Double Wall Tank Wastewater Treatment Packing Column Gas bottle Open tank Mode Filter Filter Fixed bed air Filter Mode Filter indication Filter 2 Motor Vessels Vertical Vessel Mixing Vessel Drum Column Tray Column Fluidized Bed Column Onion Tank Bin Filters HE PA BIO HEPA gas Filter ION Biological Filter Ionexchanger Filter High efficiency Filter Primary Filter Mid-effect Filter Oxygen-enriched Filter Filter Gas Filter Press Filter Liquid Filter Filter Highpass Filter Fixed bed liquid Filter Cartridge gas Filter Lowpass Filter Bandpass Filter Rotary liquid Filter Roll air Filter Air Filter Filter 2 Air Filter 2 Rotary Filter The Filter Suction Filter Liquid ring Compressor Axial Compressor Centrifugal Compressor Air Compressor Compressors Compressor silencers Compressor Ejector Compressor Compressor 2 Piston Compressor Compressor, Vacuum pump Ring Compressor Rotary Compressor 2 Centrifugal Compressor 2 AC air Compressor Centrifugal Compressor Roller vane Compressor Rotory Compressor 3 Centrifugal Compressor 3 Screw Compressor Reciprocating Compressor 3 Rotory Compressor and silencers Selectable Compressor Turbo Compressor Spray Cooler Shell and Tube Heat 3 Reboiler Oil Burner Single Pass Heat Exchanger Fired Heater Diaphragm Compressor Rotary Compressor T Heat Exchanges TEMA TYPE BEM TEMA TYPE BEU TEMA TYPE AEM TEMA TYPE AEL Cooler Forced-draft Cooling Tower Single Pass Heat Exchanger Air-blown Cooler Induced-draft Cooling Tower Double Pipe Heat Exchanger Induced Flow Air Cooler TEMA TYPE NEN TEMA TYPE BKU Plate Exchanger Plate and Frame Heat Exchanger Heat Exchanger Fin-fan Cooler Hairpin Exchanger Condenser Electric Heater Spiral Heat Exchanger Extractor Hood Heat Exchanger 2 Heat Exchanger 3 Straight Tubes Heat Exchanger Heater Spiral Heat Exchanger 2 Hose reel Air Cooled Exchanger Light Water Station Briquetting Machine Combustion Chamber U-Tube Heat Exchanger Silencer U-tube Heat Exchanger Thin-Film Evaporator Reboiler Heat Exchanger Boiler Vent Coil Tubes Heat Exchanger Finned Tubes Heat Exchanger Exchanger Dryer Floating Head Heat Exchanger Condenser Cooling Tower Cooling Tower 2 Vertical Turbine Plate Heat Exchanger Shell and Tube Heat Kettle Heat Exchanger Cooling Tower 3 Shell and Tube Heat 2 Dryer Roller Conveyor Belt Dryer Generator Heat Consumer Fluidized Bed Dryer Motor Generator Drying Oven Spray Dryer Dryers Moving Shelf Dryer General Crossflow Inducted Draft Screen Plate Tower Fluidized Reactor Fluid Catalytic Cracking Counterflow Forced Draft Boom Loader Packed Tower Alkylation Automatic Stoker Fluid Coking Chimney Tower Hyperbolic Hydrocracking Furnace Electric Motor Furnace Tubular Hydrodesulfurization Hydrocracking Transport Agitator, Turbine Agitator, Disc Mixers In-line Mixer Mixer Various Mixers Various Mixers Agitator, Propeller Various Mixers 2 Agitator, Anchor Agitator, Helical Agitator, Cross-beam Agitator, Stirrer Agitator, Impeller Medium Crushers Various Crushers Jaw Crusher Hammer Crusher Roller Crusher Impact Crusher Cone Crusher Agitator, Gat Paddle Crushers Crusher Coarse Crusher Fine Crushers Vibration Crusher Hammer Crusher Centrifuges Centrifugal Pump Centrifugal Compressor T Centrifugal Compressor 2 Centrifugal Compressor 3 Centrifuge Screw Centrifuge, Pusher Centrifuge, Solid Shell Centrifuge Screw, Perforated Shell Centrifugal Pump Centrifugal Pump 4 Centrifuge, High Speed Centrifuge, Separator disc Centrifugal Pump 2 Centrifugal Fan Centrifuge, Skimmer Centrifuge Centrifugal Pump 5 Motor-operated Valve Diesel Motor Centrifuge, Perforated Shell Centrifugal Blower Centrifugal Pump 3 Motors M Motor AC Motor Generator Step Motor Motor Generator AC Generator Motor-driven Turbine Electric Motor DC Motor Gear DC Generator Motor Turbine Impact Separator Injector Elevator Elevator 2 Vertical Shaping Machines Gravity Separator Reducer Z-form Elevator Skip Hoist Pelletizing Disc Cyclone Separator Rupture Disc Lift Conveyor Piston Press Hoists Conveyor, Chain, Closed Roller Press Peripheral Electromagnetic Separator Electrostatic Precipitator Separator Viewing Glass Viewing Glass with Lighting Conveyor, Screw, Closed Aerator with Sparger Crane Roller Conveyor Cyclone Solidifier Back Draft Damper Bag Filling Machine Conveyor Curved Gas Vent Permanent Magnet Spray Nozzle Rotary Table Feeder Box Truck Overhead Conveyor Belt Skimmer Firing System Manual Forklift Screw Conveyor Screening Flame Arrestor Scraper Conveyor Truck Forklift Palletizer Bucket Elevator Proportional Feeder Piston Extruder Shaping Machines Industrial Truck Rotary Valve Feeder Rolling Bin Truck Metering Proportional Feeder Ship Elevator 1 Screw Extruder Shaping Machines Gas Flare Horizontal Shaping Machines Double Containment Electrically Insulated Expansion Joint Flange In-line Mixer Hose End Caps Separator Chimney Conveyor, Vibrating, Closed Piping and Connecting Shapes Major Pipeline Top to Top Connect Pipeline Sonic Signal Major Straight Line Pipe Nuclear Straight Line Pipe Pneumatic Control Battery Limit Line S Bursting Disc Flame Arrester Pneumatic Binary Signal Line Drain Silencer Drip Pan Elbow Exhaust Silencer Heat Trace Electric Binary Signal Line Flange Electric Binary Signal Line Sleeve Joint One-to-Many General Joint Union Exhaust Head Damper Socket Weld Triangle Separator Breakthrough Screwed Connection Triangle Separator 2 Mid Arrow Multi-Lines Elbow Y-strainer Diverter Valve Y-type Strainer Tundish Butt Weld Welded Connection Flanged Dummy Cover Open Vent Electrical Bounded Syphon Drain Slope Requirements Line Hydrant Soldered/ Solvent Swivel Joint Reducer Pulsation Dampener Blind Disc D Detonation Arrestor F Flame Arrestor S In-line Silencer Duplex Strainer Spectacle Blind S Vent Silencer T Basket Strainer Rotary Valve Steam Trap Cone Strainer Expansion Joint 2 Orifice Plate Clamped Flange Coupling Pilot Operated Relief Valve with Renote Sensor Coupling Electrically Insulated Flame Arrestor Explosion-Proof Flame Arrestor Detonation-Proof Flame Arrestor Fire-Resistant Flame Arrestor DS Desuperheater Open Disc Bursting Disc Orifice Compensate Mechanical Link Interchangeable Blind Basket Strainer Breather Orifice Plate Multi-Lines Removable Spool Strainer Side by Side Traced Line Bell Mouth Breather Electronic Serial Top-Bottom Flow Indicator End Cap 2 Electric Signal Line H Flexible Hose Ejector or Eductor Exhaust Head Fire-Resistant, ExplosionProof Flame Arrestor Valve Manifold www.edrawsoft.com
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