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20l 5k extractiion column sealing problems

Hello community,

We are operating an 20L 5K machine and are having difficulty with the top AND bottom seals for the extraction column. They are very heavy and hard to align and we have leaked gas and terps/oil from the column. Is there some trick or extra piece of equipment we are missing to create the airtight seal? It is not the FAC connectors, it is the bolted cuffs that seem to be the issue.

Thanks everyone


  • Hey, did you ever figure this out? I've never heard of this before. Just a few ideas 1) use anti seize on the cuffs where they rub on the cap 2) make sure you are tightening the big bolts in a 'star pattern' 3) inspect the metal o ring for damage, the smallest scratch can cause a leak

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