You want professionally made parts. Your working with ETXREME pressure. A guy building custom HPA airguns blew both his arms off when a pressure tube failed! An explosion could send shrapnel hundreds of yards. I believe that in CO or Washoington ( hopefully both ) require CO2 extraction be done in an explosion chamber.
I wouldn't even dream of diying the pressure vessels, etc. There are a dozen companies making CO2 extractors and I believe a couple sell parts. And I paid $650 for my pump.

And yes, stainless steel is the metal of choice.

Check on skunkpharmresearch.com as the designed an extractor and have documented the build. May even have parts resources

Great find boy I'm thinking now. Could probably get about everything off the shelf. Might need a special flare tool to run your lines. I wounded if stainless is the best metal?
 
I sampled some of the QWET in my Davinci Ascent. It comes with glass oil/wax tanks that drop right into the oven. Crank it up to 430F. Mmmmmm! Tasted good and a good hit. Now not a BIG hit but good especially from a vape designed primarily for dry herb.
 
Yeah I like my DaVinci's, but unfortunately I don't always put the seal on top of the oil cans just right. And then I end up sucking a bunch of oil when I do it that way. Maybe that's why I haven't used mine in a while.
 
I put too much in the tank and couldn't get the top on. What a mess digging some out lol! But thats my fault. Top went on fine with less in it.

Yeah I like my DaVinci's, but unfortunately I don't always put the seal on top of the oil cans just right. And then I end up sucking a bunch of oil when I do it that way. Maybe that's why I haven't used mine in a while.
 
I put too much in the tank and couldn't get the top on. What a mess digging some out lol! But thats my fault. Top went on fine with less in it.
Hey guys.which vaporizers have you tried and which ones would you like to try,im trying to find one that will vaporize dry herb and also waxes/oils.my goal is to make a short list of companies to contact for an interview ,maybe test samples....
 
Did you see the last press in the live dabbbers thread? Has a built in stick!
 
I will look around a local smoke shop too
 
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