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| hermetic seal by press fit? |  | ||
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| Posted by: battleship81 ® 08/04/2010, 14:43:11 Author Profile eMail author Edit |
So I need to join 4 small o.d. (.185"), "L" shaped, stainless steel tubes to a stainless steel feed manifold, ideally hermetically sealing the tube manifold connection. 100 psi of gas will be fed thru the manifold into the tubes. The "L" shape of the tubes will most likely prevent seal welding from being possible. Will a press fit into the manifold seal the tubes? Will it even come close, because close might be good enough for the application. If not, would some sort of sealant applied to the tubes before the press fit help? My only other idea would be to let the tubes protrude into the manifold during press fit, then plug the inlet to the tube and coat the interior of the manifold with some sort of rubber or sealant, thus sealing the tube/manifold joint. Would this be doable?
Any other ideas?
Thanks! |
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: hermetic seal by press fit? -- battleship81 |
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| Posted by: RWOLFEJR ® 08/05/2010, 09:36:56 Author Profile eMail author Edit |
Solder them in...?
Phosphoric acid based flux and 60-70% tin solder. |
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