×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Double acting vs single acting actuator

Double acting vs single acting actuator

Double acting vs single acting actuator

(OP)
Hi

How we can select between single acting vs double acting actuator. What is the criteria or requirements to base decision on?

Thank you

RE: Double acting vs single acting actuator

For the same supply air pressure, a double acting actuator develops more torque than a single acting actuator. Conversely, a double acting actuator is smaller than a single acting one for a given required torque.

On the other hand, from recollection, a double acting actuator has no failsafe position on loss of instrument air, and they fail put in the last position. Single acting actuators can be made to fail open or fail close on loss of IA. So choose a double acting actuator only when there are no safety or operating issues with the valve being partially open (or closed) on loss of IA, and if you need a more compact actuator.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login



News


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close