How should your valve be actuated?

Explanation of the individual types of actuation including examples:

Electrical: Valves that are actuated by a current-carrying coil

Mechanical: Valves that switch by other mechanical influences such as the end position of a cylinder

Manual: Valves that are activated manually, i.e. by hand lever or push button

Pneumatical: Valves that are actuated by a compressed air signal