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Associate

Join Date: Sep 2016
Posts: 25

Pneumatic Actuators

03/17/2018 7:45 AM

I have been working in a valve manufacture industries.

Recently I learned about tandem actuator. Is there is any tandem actuator for rack and pinion type?is there is any possible way to couple the two rack & pinion to get more torque under the tandem principle?

I have come across a drawing of my competitor he had implemented the same principle on a normal rack and pinion type by one above the other how it is possible.

Kindly share the lecturer or some information on this.

It will be very useful for my career development.

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Guru
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#1

Re: Pneumatic Actuators

03/18/2018 1:43 AM

Why not buy one of your competitors' valves and reverse-engineer it? Does that sound unethical to you?

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Guru

Join Date: Jul 2005
Location: Stoke-on-Trent, UK
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#2

Re: Pneumatic Actuators

03/18/2018 4:55 AM

Have you considered scotch yoke type actuator? Can give higher torque at valve disc break-out, which might be all you need. Plenty of data on the web.

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Associate

Join Date: Sep 2016
Posts: 25
#4
In reply to #2

Re: Pneumatic Actuators

03/20/2018 11:32 AM

Hi,

Thanks for your reply, but scotch and yoke actuator is a costlier option and we can't afford those for a price competitive market like India. That's the reason we are looking for this option.

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Guru
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#5
In reply to #4

Re: Pneumatic Actuators

03/21/2018 10:04 AM
  • Without an USP, price is the only selling point.
  • Re-engineering the equipment such that it creates an USP will yield advantages and reduce dependence on price competitiveness.
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Guru

Join Date: May 2016
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#3

Re: Pneumatic Actuators

03/19/2018 11:22 AM

You are looking for a Rotork RHQ actuator. It uses double acting parallel cylinders and a rack an pinion drive.

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