O2 Bottles

[pnorkle]

Hiya - Have been looking for Bernzomatic O2 bottles online.. they're quite rare in WA. I did get pointed to "Hot Devil" disposable bottles.. does anyone know if they're compatible?
Cheers.

 

[Moog]

I'm pretty sure they are the same, I was going to get one from supercheap, but then I found a benzomatic a couple of $ cheaper locally

 

[pnorkle]

That's interesting, regarding price.. $34 for the HD @ SCA - but one of our LHBS sells Bernzomatic @ $40.

I just got an email while I was typing out the above line - Toolmart have confirmed they are interchangeable - best thing is, they sell the bottles for $27... and are less than 5 minutes from me. Bonus.

 

[Moog]

wow that IS a good price

 

[Lionman]

How do these compare in capacity to the Tradeflame bottles?

By my calcs, as they don't give the same units of capacity, the tradflame has a net weight of about 140g compared to the Bernzomatic at 40g.

Thats 3.5x more gas for less than twice the price.

 

[Lionman]

The Tradflame bottle has the equivalent of 110L, which should weigh about 140g given oxygen is 754L/kg.

Is that right?

 

[pnorkle]

Yeah, sounds about right. And looks like it has the same thread again as the Bernzo/HotDevil.

 

[Quokka42]

Yep, a local tool supply place lists the thread size and they are all the same.

 

[nathanvonbeerenstein]

Yeah, sounds about right. And looks like it has the same thread again as the Bernzo/HotDevil.

Tradeflames are not the same threading as bernzomatic/hot devil. Vastly different!

 

[Lionman]

Tradeflame bottles use an M10 thread.

I use a reg like this one, no issues after a couple of dozen batches. The gauge reads in L/min which is handy, although the scale could be better. I usually set it for a bit under 1.5L/min for around 60 seconds.

EDIT sorry, forgot link
https://www.ebay.com.au/itm/DISPOSA...988380?hash=item4684ef561c:g:TvYAAOSwy4hUUEYj

 

[pnorkle]

Thanks @Lionman - any idea how many batches you get out of a bottle?

 

[Lionman]

If I use ~1L per batch it should be up to 100 batches I would say.