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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
yzorg

Fire back-pressure valve aka Bubbler

by yzorg Jan 26, 2011
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Nice made one of PLA will try to make one ABS Ill let you know how it goes.

The second container i made in PLA and coated it with several layers of two component glas-fibre resin.
Gave me a very solid and tough part.

What does it do, exactly?

In this container produced HHO Gas must pass trough a water barrier, making bubbling noise..
This Protects my HHO generator from Flames leaking back into the system.
I want to do some welding with the HHO output, so this is one of my safety assurances.

I don't see too many prints on thingiverse that need to be airtight/watertight but i'm really interested in seeing the capability of prints to be airtight and watertight. Good luck!

yea thats why im working in this section...

a good way i have now is print on transparent ABS or PLA and then use a transparent Expoxy or silicone fluid to coat the inner surface multiple times.

works very well so far.