Good point, Steve.
http://www.climaticcontrol.com/about.html is the "About Us" page for the company that provides that article. I found it when searching for the keywords turndown and rangeability.
If I was smart, educated and experienced enough to vouch for every tech article I've ever linked-to or mentioned as interesting my brain would have exploded long ago (that's not to say that it is properly functioning now - perhaps a slow but unnoticed core meltdown is happening).
Paul
Steve McKenzie wrote:
> Hi Paul
>
> Having extreme difficulty accepting the description below about ball
> valves. It reads like an advert and is quite misleading. I hope you
> didn't do a cut and paste before agreeing with what your were posting.
> With quite a number of significant exceptions, ball valves offer
> significant engineering challenges when pressed into control service.
> Seat/ball wear, cavitation issues and contollability all require special
> attention. As for the claimed 10% of CV dead zone on "globe" valves,
> well, check out your own plant in the critical service areas; I hope you
> are doing better than 10%.
Received on Mon Feb 07 22:04:00 2005
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