Closed Loop Extractor help- build- buy

I need some expert advise. Would really really appreciate someone with some knowledge about closed loop systems to chime in.

I’ve been open blasting for a few years. About 90% of the time I run 2 ozs and the other times I run 3 +. All personal.

I’m putting together a closed loop system where I can do mostly 2oz runs with the option to easily configure it to go to 3-4 ozs.

Here is what I have. One tube is 8” and the other 18”. And a few other pcs I can use.




And here is what I want to build. SOMEWHAT.




Here is my idea. Since I do most of my runs with the 8” tube, I want to gear it towards that with one simple addition to run the 18” if I choose.

My idea io buy the 6”x6” welded base for the solvent side.

The collection side will have a 4”x4” spool and a 4” splatter platter to run the 2 ozs.

Then, for me to run the 18” tube, all I have to do is buy another 4”x4” spool for the collection side. This would give me 10”x4” on the collection side and 6”x6” on the solvent side.

Does this make sense? More importantly, will it work?

Parts list to follow. Thanks in advance.

Here is this list. I’m at around $500.

Here is how I did it. https://web.archive.org/web/20160303074119/https://skunkpharmresearch.com/passive-butane-extractor-and-reclaimer/

Fadedawg said:

Here is how I did it. https://web.archive.org/web/20160303074119/https://skunkpharmresearch.com/passive-butane-extractor-and-reclaimer/

Click to expand...

Beautiful my friend. Thanks for that. I did stumble across that article a couple days ago. I did do SOME research.



I've learned over the years to always go bigger (on certain things). I've been thinking about how much material I'm REALLY going to run. Think I'll stick with a 4" setup for now.

This is what i ended up doing. I copied this design pretty close with a few changes.

On the collection side - instead of the 4”welded bottom, I replaced it with a 4”x4” spool and a 4” splatter platter with the associated gaskets and clamps. Also bought two 5’ braided lines and changed the three valves.



This way I can expand both sides by adding a spool, clamp, and gasket along with my 18” tube.

The above system sells for $600. With my changes and additions, I paid $465.

Stuff arrived.

60g tube 1.5” x 8” I already had. Just assembled the lil guy and pressure tested it. Can’t wait to use it. It’ll be a few days.

That’s all. Didn’t want to leave the thread hanging. I’ll post my first run with this this coming week. It won’t be much but I’ll post it.

Keep in mind this is my first time using a closed loop extractor. And it’s only a 4”. This round I didn’t weigh the starting material so I won’t weigh the finished product. It’s a 60g tube. I packed it pretty good.

So I did the first run. Cleaned it out and all. I thought wtf, I have the butane to use again and the dry ice is good. So I put it back together and ran the butane for a second run just to see……



This second run is a pretty good % of the first run. Doesn’t mean much here, but for the big guys that’s huge.

Remember I don’t know my starting weight.

First run:



Second run:



That’s pretty significant.

And on top of that I did a rook move.



This muffined up cold in my vac chamber and stayed like that. I released pressure too fast and blew a hole in the middle of the muffin. Shit was all over my chamber like cotton candy. It happens.

How much material for that 4.5gs?
Im never going to try this but it does look like fun. Reminds me of my still

Boatguy said:

How much material for that 4.5gs?
Im never going to try this but it does look like fun. Reminds me of my still

Click to expand...

Didn’t weigh it. Best guess would be close to 45 grams. Can’t wait to run some BKRs through there.

Leaf and larf?

Straight bud. Cheese x Purple Gorilla. Now that I think about it, the starting material was probably closer to 35-40 grams. I could have broke them up better and packed it tighter.

I’ll do another run next time I’m in town to grab some dry ice. The bud will be broken up better and packed tighter. And weighed. The butane will be run through twice back to back.

It will be Cheese x Purple Gorilla again. I will do my best to get 60 grams crammed in there. Then I will post again.

Did another run today. Instead of dry ice I used regular ice. Cheese x PG again. Got 65 grams of bud in my 60g tube. Lol. Don’t ask.



Ran the butane through twice and opened it up.



I’m pretty impressed.



I will have a weight in the morning.

So here it is. There is at a minimum of another gram on my pad and in the base. We’ll just call it 11 grams from the 65 grams of material. 17% return.