11 minutes then. That's all you are going to get from the higher capacity 110Ltr. Ar/CO2 canisters. That's continuous welding, so a fair amount of work can still be done. Best to convert to a refillable cylinder if you have any amount of work to do... around 40X the gas in the smallest BOC 'X' size cylinder.
Disconnect the disposables when not in use aswell, they have a tendancy to leak if still connected
weldequip