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The article focuses on how to specify the right valves to control cylinder activation and airflow to the machines. The switching or activation of pneumatic valves to control the flow or direction of air in several ways is mentioned. The need to specify the pneumatic valve type or configuration with the activation method chosen is also cited.

The article focuses on combination of proportional valve and pressure regulator with variable volume flow control from Airtec. It mentions devices of the 82 EPV series ensure the application of pressure and in pneumatic test or dosing processes. It also mentions the electromagnetic actuators are designed for control and units with protection class IP65 achieve a repeat accuracy in the tolerance range.

The article discusses the theoretical and practical aspects of electromagnetic solenoid-driver circuits. It explains a method for power reduction consisting of a resistor, where steady-state hold current flows, and capacitor, which supplied the transient pull-in power, connected in parallel with each other and in series with the solenoid coil. The article presents a power-reduction circuit, with a series of voltage-dropping resistor replaced with switch-mode.