Connect a mini welding regulator to sodastream bottle?

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That looks like a good reg, much more heavy duty than the other aluminium ones available. I don't like the look of a lot of the ali adaptors and regs given they have 860 psi up their ass.
Looks like you need a 10mm Metric Male Thread to suit.
Have you ordered and received that reg yet? Looks the goods.

Edit - just found some good info here:

http://www.woodworkforums.com/f160/disposable-gas-cylinder-thread-81459

" Just an update on these threads for anyone trying to do something similar.
I turned up an adaptor to try things out. The thread on the disposable gas cylinders is 10mm x 1. The thread on the full size regulators is Type 10 which is 5/8 - 14 RH BSP.
These disposable cylinders are expensive but I can't justify the $167 cylinder rental for the amount of use I give it. Another negative on the cylinder rental is that the smallest I can get is an E type which equates to a lifetime of gas and a big bottle to lug around and store.
Been looking at the home brew scene where they use a sodastream CO2 cylinder for their kegging so got myself a gas bottle and made up an adaptor from it to the regulator. The sodastream bottles have a CGA 320 thread. At 330 grams of gas in a bottle (disposables are 390g) and $15 refill at Kmart, Woolies, BigW I'm going to use that option."

Best I've found so far is these:

http://www.ebay.com/itm/Pipe-1-4-NP...apter-Fitting-Oil-Pressure-N-6L-/201765011596

Proving to be a bit of a challenge, but I do like the look of the regulator you've linked.
 
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That looks like a good reg, much more heavy duty than the other aluminium ones available. I don't like the look of a lot of the ali adaptors and regs given they have 860 psi up their ass.
Looks like you need a 10mm Metric Male Thread to suit.
Have you ordered and received that reg yet? Looks the goods.

Edit - just found some good info here:

http://www.woodworkforums.com/f160/disposable-gas-cylinder-thread-81459

" Just an update on these threads for anyone trying to do something similar.
I turned up an adaptor to try things out. The thread on the disposable gas cylinders is 10mm x 1. The thread on the full size regulators is Type 10 which is 5/8 - 14 RH BSP.
These disposable cylinders are expensive but I can't justify the $167 cylinder rental for the amount of use I give it. Another negative on the cylinder rental is that the smallest I can get is an E type which equates to a lifetime of gas and a big bottle to lug around and store.
Been looking at the home brew scene where they use a sodastream CO2 cylinder for their kegging so got myself a gas bottle and made up an adaptor from it to the regulator. The sodastream bottles have a CGA 320 thread. At 330 grams of gas in a bottle (disposables are 390g) and $15 refill at Kmart, Woolies, BigW I'm going to use that option."

Best I've found so far is these:

http://www.ebay.com/itm/Pipe-1-4-NP...apter-Fitting-Oil-Pressure-N-6L-/201765011596

Proving to be a bit of a challenge, but I do like the look of the regulator you've linked.

YES! thank you, that's exactly what I've been looking for

Edit - well you've sent me in the right direction with that info on the threading, but I've found that the only way to get that pesky regulator down to the soda-stream bottle is another 3 adapter fittings, which is not worth the cost. I think I'm just gonna buy a "Mini All In One Regulator Charger" and an adaptor that turns the sodastream thread into 5/8 inch. Many thanks for all that information :)
 
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