Silly question I know, but the tare weight on my boc (originally) co2 bottle is stated as 14kg. Have just weighed it and its at 15kg. I would have thought that 1kg of compressed gas is a fair bit, but there's less of a hiss than when I was welding with it last week. I pointed the torch at some dusty ground and it did move some dust, and the welds seem ok visually.
So two questions really,
1. Do the bottles empty completely, or is there some residual gas left when pressure drops below a certain point?
2. Will it be obvious by weld appearance when gas has run out?
cheers
fred
So two questions really,
1. Do the bottles empty completely, or is there some residual gas left when pressure drops below a certain point?
2. Will it be obvious by weld appearance when gas has run out?
cheers
fred