Alternative to a Proportioning Motorized Valve?

  • #1

Main Question or Discussion Point

Hey guys,

I'm looking for a way to control the opening of a valve as per feedback from an upstream flow meter. I have a motorized proportioning ball valve, but it takes about 10-15 seconds to complete it's rotation (one-way).

I need to find a way to expedite this so was wondering if there are any other type of valves (pneumatic or electrically actuated) that could do this in about half that much time?

I tried searching for some but couldn't find anything that fit my requirements. Please note that size & price is somewhat of a constraint.

Thanks,
KV
 

Answers and Replies

  • #2
174
102
There are options, but most of them are expensive. Given your requirements, you may be able to contact the manufacturer of your valve and get a faster actuator. That could involve using a larger actuator with a gear change. It could just be a gear change (if the existing actuator has sufficient torque).
 
  • #3
BvU
Science Advisor
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In addition, you want to re-examine process conditions and check if the piping, etc. can survive the quicker changes in flow/pressure !
And that your feed-forward control remains stable in the presence of disturbances.
 

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