Valve Actuator Types

valve actuator
Actuators are used for the automation of industrial valves and can be found in all kinds of technical process plants: they are used in wastewater treatment plants, power plants and even refineries. This is where they play a major part in automating process control.
The valve parts through which force is applied to move or position flow-directing elements.

types
A person of a specified character or nature
(type) write by means of a keyboard with types; "type the acceptance letter, please"
A category of people or things having common characteristics
(type) a subdivision of a particular kind of thing; "what type of sculpture do you prefer?"
(type) character: a person of a specified kind (usually with many eccentricities); "a real character"; "a strange character"; "a friendly eccentric"; "the capable type"; "a mental case"
A person, thing, or event considered as a representative of such a category