channi · Dec 16, 2014

hi people, i know ive read it somewhere that you can use a c02 fire exstinguisher plumbed in to the mig, i only use disposable bottles so would my regulator fit or would i need to fit the welder out with a bigger regulator as ive been offered a co2 bottle but if its not going to work(fit) then theres no point in accepting it

cheers guys

200tdi ayre · Dec 16, 2014

channi said:
hi people, i know ive read it somewhere that you can use a c02 fire exstinguisher plumbed in to the mig, i only use disposable bottles so would my regulator fit or would i need to fit the welder out with a bigger regulator as ive been offered a co2 bottle but if its not going to work then theres no point in accepting it

cheers guys

Almost certainly wouldnt fit

channi · Dec 16, 2014

ok cheers it was worth asking

Thor1950 · Dec 16, 2014

using co2 for welding creates brittle welds.

channi · Dec 16, 2014

ok cheers

trax · Dec 16, 2014

do hobbyweld or something similiar. it's not too badly priced

channi · Dec 16, 2014

they probably do i was just trying to save a couple of quid really becuse it was offered as a freebee, the disposable one work out bloody exspensive,il have to put my hand in my pocket in the new year

trax · Dec 16, 2014

channi said:
they probably do i was just trying to save a couple of quid really becuse it was offered as a freebee, the disposable one work out bloody exspensive,il have to put my hand in my pocket in the new year

with hobby when i did it you pay like 60quid for the bottle and about 30quid for a refill.

you just swap the bottle for a refill and when you are totally done you get the 60-12 fee back.

might have changed now.

channi · Dec 16, 2014

i got a fix n weld just down the road their prices are about sixty a cougar i think it is and no real contract the bottle if i remember rightly just pay for a refill

Discokids · Dec 16, 2014

You need a regulator for a pub gas bottle, there's loads on eBay and a thread on here about this very subject the other day.

channi · Dec 16, 2014

Discokids said:
You need a regulator for a pub gas bottle, there's loads on eBay and a thread on here about this very subject the other day.

i know about a pub bottle but i was asking about a fire exstingisher, i thought i read a thread the other day but i couldnt find it i should of searched

Discokids · Dec 16, 2014

It's in the disco section, currently half way down the 4th page. My point was that if you wish to use a fire extinguisher you need to obtain a suitable regulator such as one for a pub gas bottle. Regs for the small disposable bottles will only fit small disposable bottles.

channi · Dec 16, 2014

channi said:
hi people, i know ive read it somewhere that you can use a c02 fire exstinguisher plumbed in to the mig, i only use disposable bottles so would my regulator fit or would i need to fit the welder out with a bigger regulator as ive been offered a co2 bottle but if its not going to work(fit) then theres no point in accepting it

cheers guys

thats what i asked

channi · Dec 16, 2014

Discokids said:
It's in the disco section, currently half way down the 4th page. My point was that if you wish to use a fire extinguisher you need to obtain a suitable regulator such as one for a pub gas bottle. Regs for the small disposable bottles will only fit small disposable bottles.

yep ok just read the thread apologies all round any chance of a pic to see how its set up

Discokids · Dec 16, 2014

Here you go. Pretty basic really, could even call it a bodge!

channi · Dec 17, 2014

Thor1950 said:
using co2 for welding creates brittle welds.

would you say your welds are brittle ? cheers for the pics

Discokids · Dec 17, 2014

Not really. I always test them using land rover special tool No1. No problems so far.

pressbrake · Dec 17, 2014

channi said:
would you say your welds are brittle ? cheers for the pics

no they are not on the thickness your dealing with, just doesnt give as good a penetration but again probably not a problem

timtheenchanteruk · Dec 17, 2014

not sure why CO2 would cause brittle welds, AFAIK the gas is to sheild it from oxidising, CO2 is good at this, Argon better, as a result you need less argon to sheild than you do CO2???
Seeing as a big pub bottle costs me around £11 a fill, and everyone else I know uses CO2 for general work, Ill stick with CO2 unless somone can give me a good reason not to

timtheenchanteruk · Dec 17, 2014

Though pressbrake might have answered my question before I got round to penning a reply

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