Hanshen FKR350, Operation Manual

Page: 14 / 47

13
Connection and Grounding
Gas cylinder and regulator
Note
Gas quality will effect to welding result, follows are some key points:
● CO2 welding must use CO2 gas.
●
MAG welding must use MAG mixed gas(argon gas mixed with 5-20% CO2).
●
CO2 and argon mixed, gas mix facility must be used(avoiding mixed mot well)
●
Argon gas must be pure(purity 99.9% up).