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Flowsheet Drawing Symbols
Draughting reference for process steam and pipeline related flow sheet diagrams.
Use this guide to make accurate schematic drawings of your steam reticulation, boiler and condensate recovery system.
| - Pipe Line Types - Pipe Supports - Line Fittings - Valves - Valves/Actuators - Instruments - Flow Instruments - Equipment: Process Plant - Equipment Numbering and End Tags |
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| Pipe Line Types |
 Main Process |
 Minor Process/Utility |
 Instrument Impulse |
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 Insultated |
 Traced Heat - Simplest |
 Electrically Heated |
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 Lagged |
 Trace Heated |
 Electrical Impulse |
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 Jacketed |
 Mechanical Link |
 Pneumatic Impulse |
| Pipe Supports |
 Pipe Support |
 Resilient Pipe Support |
 Adjustable Pipe Support |
 Roller Pipe Support |
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 Pipe Anchor |
 Pipe Guide |
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 Pipe Hanger |
 Resilient Pipe Hanger |
 Adjustable Pipe Hanger |
 Constant Load Pipe Hanger |
| Line Fittings |
 Concentric Reducer |
 Eccentric Reducer |
 Flanged Connection |
 Tee Piece - Flanged |
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 Butt Weld |
 Soldered |
 Screwed Joint |
 Compression Fitting |
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 Socket Weld |
 Welded Endcap |
 Screwed Plug |
 Blind Flange |
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 Sleeve Joint |
 Flexible Hose |
 Pipe Crossover |
 Connection |
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 Y Strainer |
 Orifice Plate |
 Sight Glass |
 Steam Trap |
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 Bellows |
 Spade or Line Blind |
 Spade - 2 Position |
 Strainer/Filter |
| Valves |
 Gate Valve |
 Globe Valve |
 Ball Valve |
 Butterfly Valve |
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 Diaphragm Valve |
 Check Valve |
 Swing Check Valve |
 Needle Valve |
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 3 Way Valve |
 Angle Valve |
 Relief Valve |
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| Valves/Actuators |
 Hand Operated Valve |
 Actuated Valve Fail - Closed |
 Actuated Valve Fail - Open |
 Solenoid Operated Valve |
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 Motor Operated Valve |
 Pressure Reducing Valve - Spring |
 Pressure Reducing Valve - Pilot |
 Cylinder Operated Valve |
| Instruments |
 Sensor In Line Local Instrument |
 Sensor In Line Signal Transmitted to Remote Panel |
 Sensor In Line Local Instrument Signal Transmitted to Remote Panel |
 Level |
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 VA Flowmeter |
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| Flow Instruments |
 General Flow |
 Orifice Carrier |
 Pilot Flow Instrument |
 Turbine Instrument |
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 Positive Displacement Instrument |
 Venturi Instrument |
 Sight Glass Instrument |
 VA Flowmeter |
| Equipment: Process Plant |
 Vessel/Tank |
 Pump Flow Sheet |
 Pump Line Diagram |
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 Heat Exchanger Flow Sheet |
 Heat Exchanger Line Diagram |
 Fan |
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 Break Vessel with Demister |
 Tray Column |
 Fluid Contacting Column |
 Fluid Contacting Column Detail |
 Reaction or Absorbing Vessel |
 Reaction or Absorbing Vessel Detail |
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 Cooling Tower |
 Fume Extraction Hood |
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 Open Tank |
 Open Tank with Cover |
 Closed Tank |
 Sealed Tank |
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 Immersed Pump |
 Reciprocating Pump |
 Fan |
 Compressor |
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 2 Stage Compressor |
 Ejector |
 Electric Tank Heater |
 Electric Heater |
| Equipment Numbering and End Tags |
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