Hi all, Still working on this project though not much time lately as back in full time work so progress is very slow. Have tried a few more flashback arrestor designs as this is the stumbling block that I'm at ATM, with no success. Does anyone out there know of a tried and tested design that works ?.

Thanks

John

Quote from King Fred on April 26th, 2013, 05:14 AM

Hi all, Still working on this project though not much time lately as back in full time work so progress is very slow. Have tried a few more flashback arrestor designs as this is the stumbling block that I'm at ATM, with no success. Does anyone out there know of a tried and tested design that works ?.

Thanks

John

use water and bottle flash back arrestor.

thanks
geenee

Quote from King Fred on April 26th, 2013, 05:14 AM

Hi all, Still working on this project though not much time lately as back in full time work so progress is very slow. Have tried a few more flashback arrestor designs as this is the stumbling block that I'm at ATM, with no success. Does anyone out there know of a tried and tested design that works ?.

Thanks

John

Have u tried JDC products ??

You know what might work John?  Just a simple vertical pipe, 3/4 filled with water and a liquid check valve at the bottom.  The pipe could be 3/4 inch, probably clear, maybe 10 to 12 inches long.  Use a check valve with Buna or Vitol seal, stainless steel ball and spring, crack pressure something low around 1 psi.  Certainly that would seal off any back pressure having liquid on the seal.  Gas should flow from the bottom up easily with nothing able to flow back down.

Just a thought.

Thanks for suggestions guys. Was thinking about a wet type system after seeing one on youtube.

 https://www.youtube.com/watch?v=Dh8AXSjbemo

So think thats the way I will go as have not had any luck with dry type setups that I have tried, and i have tried a few with spectacular failures (should get a video cam setup, you guys would love some of the explosions I've made). Maybe I'm testing them to hard but better to be safe I say.
Thanks again for the advice.

John

dry type=quenching disk(Stan) but hard to find.

thanks
geenee