Common Symbols Used in Pneumatic Systems and Instrumentations ~ Learning Instrumentation And Control Engineering Learning Instrumentation And Control Engineering

Common Symbols Used in Pneumatic Systems and Instrumentations

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Pneumatic Systems are still popular in older plants and even in modern plants where their use is inevitable. Pneumatic diagrams representing pneumatic systems have defined ways they are represented. They are commonly represented with symbols. These symbols needs to be understood before you can correctly interpret pneumatic drawings and diagrams. These common symbols are shown below:

Pneumatic Directional Control Valves Symbols
Symbols of Directional Control Valves (Photo Credit: AutomationDirect.com)




















Symbols of Simple Pneumatic Valves
Pneumatic Valve Symbols (Photo Credit: AutomationDirect.com)















Line Symbols Used in Pneumatic Drawings
Line Symbols in Pneumatic Symbols (Photo Credit: AutomationDirect.com)



















Symbols of Common Equipment Used in Pneumatic Drawings and Systems
Symbols of Common Pneumatic Equipment. (Photo Credit: AutomationDirect.com)

Common Actuator Symbols Used in Pneumatic Drawings
Actuator Symbols (Photo Credit: AutomationDirect.com)