Actuation pneumatic valves according ISO 1219
Valve actuation can be broken down as follows:
Manual operation: It is done, for example, by a button, a pedal or a lever.
Mechanical actuation: It is carried out, for example, by a roller button, a spring or a mechanical lock.
Pneumatic actuation: It is by pressure, differential pressure or low pressure.
Electrical actuation: This is usually done by an electromagnet
Actuation of way valves according ISO 1219
remark: ISO = Abbreviation for International Standard Organisation