Schematic (P&ID, electrical, fluid power)
Line symbols for P&IDs, electrical, instrumentation and fluid-power diagrams. Drawn from scratch; not certified against the standards (see the notice on each page).
Schematic symbols are drawn from scratch following the usual conventions of ISA-5.1, ISO 10628 and IEC 60617. They are not certified against those standards: check them against your company standard before using them in issued documentation. Each symbol’s note says what could not be verified.
Categories with this type
Diagram symbols
P&ID & process diagrams
Line symbols for process diagrams: valves and actuators, pumps and equipment, piping and line types, instrument bubbles, signal lines, HVAC and annotations. Not certified against any standard.
Electrical diagrams
Line symbols for wiring diagrams, single-line diagrams, ladder logic and lighting and socket layouts: contacts, coils, protection, motors, meters and components. Not certified against any standard.
Hydraulics & pneumatics diagrams
Line symbols for hydraulic and pneumatic circuits: directional valves, cylinders, pumps and motors, pressure and flow valves, accumulators and air preparation. Not certified against any standard.
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