The symbols used are an international standard which means a circuit diagram can be sent to any country in the world and be understood, regardless of the language spoken.

A hydraulic schematic also indicates the types and capabilities of components in the circuit. Basic hydraulic circuits use strategic placement of control valves and components to manipulate fluid and ...

NEMA, the National Electrical Manufacturers Association, Rosslyn, Va., recently released ICS 19-2002, Industrial Controls and Systems: Diagrams, Device Designations, and Symbols. According to ...