Sealey professional mig welder 250amp 230v with binzel euro torch sealey supermig255 all our supermig models are suitable for welding with co2 argon or co2 argon mix each uses a forced air cooling system to slow transformer heating in order to increase duty cycle and a non live torch to prevent the risk of accidentally striking an arc model no supermig180 and above are supplied with an industrial argon co2 regulator a contract for the supply of gas should be arranged with your local ga