To prevent rusting

To stabilize the arc

To control arc temperature

To increase welding current

Pre heat the base metal

Push the molten metal

Remove the excess metal

Release excess oxygen and to push the molten metal

Bent nozzle with three pre-heating holes

Straight nozzle with six pre-heating holes

Bent nozzle with six holes

Flute cutting straight with six holes

Suitable for brass, copper welding

Suitable for stellite, flame cleaning

Suitable for mildsteel, stainless steel

Suitable for pure aluminium, cast iron & brass welding

Oxygen, hydrogen & carbon

Carbon monoxide unburit ash

Hydrogen, dust particles, ash

Hydrogen, lime dust, ammonia & water vapour