Not sure what you mean by bypass. But here is a pic:
Pull vac on a keg and pull tincture thru filters and into keg. I have not been using that 100L keg and have instead been using a 20L collection pot that opens from the top allowing me to clean it very good between runs. Haven’t used the big keg yet because I was afraid something like this would happen where the filters are letting shit slip by.
Then theres a similar set up before the rotovap where rotovap vac sucks tincture thru filters and into rotovap.