Air Fed Welding Helmets

Do You Know What You Are Breathing?

Air fed welding helmets with a built-in respirator are considered to be one of the best ways to protect a welder’s lungs from harmful welding fumes produced during the welding process.

When welding with MIG and TIG, noble gases argon and helium can displace oxygen in unventilated areas. In such cases, a supplied-air respirator is required.

When welding with MAG, large quantities of carbon monoxide can form around the welding arc. Carbon monoxide cannot be filtered away. If the ventilation is bad, the oxygen level must be monitored and a supplied-air respirator used.

Alloyed electrodes are common when welding with MAG. The alloys often contain manganese or silicates. This means that large quantities of manganese oxide and silicates are diffused into the surrounding air when you are welding. A powered air respirator with a particle filter usually offers sufficient protection against alloy particles.

When welding ordinary steel, a powered air respirator with a particle filter is recommended.

View our RPE guide for welders

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