Electrical actuators vs pneumatical

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Thread Starter

Boris Uretsky

I am looking for articles and any other printed information that can help me to make a decision what type of valve actuators -electrical or pneumatic-is prefered for new water desalination plant.If somebody has expirience with this subject I will be glad to get support from him.
Thank you,
Best regards
Boris Uretsky
I&C engineer.
 
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Jocko Harmet

Boris,
In order to select an actuator type, you should start with the specifications of the system. The characteristics of Pneumatics and Electric actuators are very different. I would start with items such as: How fast does it have to open and close? Does it have to hold a position inbetween open and closed? What is the failsafe requirement of the application.

Jocko Harmet
Tamtech Inc.
Phoenix, AZ
[email protected]
 
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