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Why rerate, your vessel has a higher designpressure?

Hmm, 4 years ago I worked too with Autocad 3D-Autopipe. When the support is not in the right direction, you can rotate it, I think.

That's a bargain. Send me 10.

Google wasn't good enough?

excuse my stupidity, what is barred, bicelado and chamflan? Do you mean tees used in pigginglines?

Subtle BI :-)

As designers we do our best. As less flanges as possible is one of the issues.

There is a lot on the net. Google can do a lot. P.E. : http://www.witzenmann.be/be/media/Expansion_joint_manual_1501uk_5_12_12_20_download.pdf www.ork-flex.com/catalog/pdf/e-catalog4.pdf

I think: The run of pipes means the routing. Without the drawing we don't know what point B and H is. What is a points data table?

I have seen the issue of the longer studbolts and firehazard more here, but when everything is burning, is that then still an issue?

Yeah, they pay for it, but I think it's worth. Inferior valves cost more.

I can understand the point of view from Shell, i worked a long time for another big company, they bought approx. 3000 valves, from 2" to 6" from a new vendor. They rejected 92%, because of leakage.

L.I. ,is that favourable?, i.e. less labour costs?

http://www.lr.org/nl/energy/upstream/documenten/software.aspx No, the fluid, design pressure etc, it is mostly cat. IV. Download the software, it is very useful.

bigmig, the link provided by Chris works for me, You just have to have patience

1) The lenght of the bellow, the rating and size of the flanges, and the movements. 2) Yes, you need a calculation of teh movements. 3) The vendor will provide you all the info. 4) ?

marchie, have You seen the stresscalcs?

Re-using existing old revised valves? Isn't it more economical to buy new ones?

Nice painted[bigsmile]

Valves should be provided with a certificate from the vendor.