the modern distiller

Boiler's are not pressure vessels...

Boiler's are not pressure vessels...

Postby JayD » Sat May 09, 2015 1:52 pm

Please read the following post,

I hope this post finds all members in good health, I am posting this Warning to alert people that converted kegs or boilers for distillation that they are not pressure vessels once modified.

Kegs are rated to 4bar, this converts to 45 psi. Once you modify a keg it no longer has this rating!

So always make sure the boiler is vented to release pressure that may have built up through your still, the pressure if any will vent through your outlet.

Converted kegs are not pressure vessels...they are more like your tea or coffee kettle...a pot on the stove, as long as you are aware of this kegs are as safe as it can be in our use...even specific boilers built are not pressure vessels unless they have been tested to their relevent state codes, passed then stamped with their minimum pressure.

Keep Safe .
JayD :handgestures-thumbupright:
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Re: Boiler's not pressure vessels...

Postby Zymurgy Bob » Sat May 09, 2015 2:45 pm

Good call, but for clarification: no hobby ethanol still should ever ever be operated as a pressure vessel! If your still system develops much more than about a foot of water pressure (.434 psi ~23mm Hg, or 23 Torr)(and that's only in a thumper system), go have a long chat with someone who can be trusted with sharp objects.
Zymurgy Bob, a simple potstiller http://www.kelleybarts.com/zymurgy-bob-books/making-fine-spirits/

You can make whisky in a reflux still, you can make vodka in a potstill,
and you can eat chicken noodle soup with a crescent wrench. But..
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