+Tech TopicsAutomation NotebookIssue 35 - 2016Learning ResourcesNotebook IssueOnline OnlyPneumatic eBookPneumaticsPneumatics eBookProductTechnology Brief
Directional air control valves are the building blocks of pneumatic control. Pneumatic circuit symbols representing these valves provide detailed information about the valve they represent. Symbols show the methods of actuation, the number of positions, the flow paths and the number of ports. Here is a brief breakdown of how to read a symbol.