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Old 09-28-2012, 07:27 AM   #16
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The only possible way I can see this being done is if it is built up on site. The pipe bundle is assembled from the inside out and then the out shell is installed. There is no possible way to assemble that complete assembly unless the inner pipes are large enough to crawl inside and weld from the inside. Maybe they make a small welding robot that do the welding from the inside.


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Old 09-28-2012, 09:58 AM   #17
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another way is have pipe made up outside and insert it into the ports and seal it at each end.....just my thougth... but as i said eariler not a diy project...
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Old 09-28-2012, 10:46 AM   #18
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Is this for export to a country we are not supposed to be doing business with?
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Old 09-28-2012, 10:50 AM   #19
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The internal weld idea is great and it will likely require the construction of a special robotic welding unit, but still... it would work.

The pipe has to be transported to the site in 40' sections so it has to be assembled onsite.

BTW, I was just kidding about the nuclear stuff. As I said before it's just for a chemical plant right here in the good ol' USA. They want different chemicals to be routed to different locations all through a specific diameter of run. I have an appointment set next week with another engineer who sounds like he is a bit more on the ball than the last guy. Let's see what he says.


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