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Author: Subject: Using US joints in conjunction with ISO joints
ampakine
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[*] posted on 5-6-2011 at 07:37
Using US joints in conjunction with ISO joints


I moved to Europe from the US a few months ago and brought my lab gear (which was only a few flasks and other bits and pieces) with me but the joints are all 24/40 and since I don't have any 24/40 jointware theres not much I can do with it. Since I went to the hassle of bring it with me I don't want to just sell it so I'm trying to figure out how I can use it with my ISO glassware. Is it a must that I get adaptors or would I be able to connect 24/40 to 24/29 in any way?
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Lambda-Eyde
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[*] posted on 5-6-2011 at 09:14


A 24/40 is just a little bit longer than a 24/29, and will fit perfectly. In some cases the US joints may be a little too long, e.g. fitting a 24/40 male joint into a 19/26-24/29 expansion adapter might not work.

I use both US and ISO jointed glassware together.




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SHADYCHASE54
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[*] posted on 5-6-2011 at 09:36


I also just mix and match 24/40 with 24/29 I ended up buying 6 gas washing bottles from the UK and everything fits just fine.
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CrimpJiggler
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[*] posted on 26-2-2012 at 06:44


Does it go both ways, i.e. will a male 24/29 joint fit into a female 24/40 joint as well as a male 24/40 fits into a female 24/29? I'm testing it out right now and a male 24/29 joint seems to fit nicely into the female 24/40 joint but it might only be the widest parts of each joint that fit nicely together. I'm planning on setting up a HCl gas bubbler at the moment so a leaky joint would be disasterous.

EDIT: Never mind, they go together fine. There is as much friction when I try to turn an ungreased 24/29 cone in a 24/40 socket as there is in a 24/29 socket.

[Edited on 26-2-2012 by CrimpJiggler]
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Endimion17
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[*] posted on 26-2-2012 at 08:00


The tapers are the same, with the exception of US one being 8 mm longer. They fit allright, but I'm not sure if Keck clips could hold them properly.



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