Electrically Actuated Valve

electrically
(ELECTRICAL) Standard house current, number of circuits, outlets and fuses or circuit breakers sufficient for everyday needs. Condition of wiring.
(ELECTRICAL) PEEK™ polymer is the material of choice for a switching jack in a coaxial connector used in mobile telephones
by electricity; "electrically controlled"

actuated
(actuate) trip: put in motion or move to act; "trigger a reaction"; "actuate the circuits"
Cause (a machine or device) to operate
Cause (someone) to act in a particular way; motivate
(actuate) motivate: give an incentive for action; "This moved me to sacrifice my career"
moved to action; "a man actuated by unworthy desired"

valve
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
control consisting of a mechanical device for controlling the flow of a fluid
A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes