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vishnu0404
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Join Date: May 2010
Posts: 2

Rectangular Flange Design

05/12/2010 3:34 AM

I need to design a rectangular blind flange for a vessel. The process under vacuum -120mbar and 600degC with medium oil vapor. This process absent of oxygen. Current flange 24mm ss400 plate 12mm+12mm weld joint full face. Not even surface on male and female cause the leakage. Gasket doesn't help cause flange to flange not in 100% kiss. Size 2000mm x 1000mm, width flange 65mm. So what kind of flange core surface, bolt size, material and gasket suitable for this condition?
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Anonymous Poster
#1

Re: Rectangular Flange Design

05/13/2010 1:45 AM

Cant you just weld it to stop the leak? Or use liquid gasket silicon type it would prevent leak for sure?
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vishnu0404
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Join Date: May 2010
Posts: 2
#2
In reply to #1

Re: Rectangular Flange Design

05/14/2010 12:52 AM

I've tried that method using silicone glue as sealant but it won't take that temperature. Besides this , silicone not a petrochemical resistant material. FYI , I cant weld cause its a top cover for the vessel, which need to open for PM.
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