
Open frame welding head
| Model | MWG-90 | MWG-170 | MWG-230 | MWG-325 |
| Pipe OD (mm) | 20-89 | 63-168 | 130-230 | 159-325 |
| Thickness(mm) | 1-10 | 2-10 | 2-10 | 2-10 |
| Welding Process | Pulsed argon arc welding | |||
| Welding Head Cooling | Yes | |||
| Welding wire feeding | Yes | |||
| Welding Power Supply | 400A | |||
| Tungsten electrode Dia | 2.4 | |||

| Model | MWA-400A |
| Power source type | Inverter |
| Welding Current | 5-400A |
| Duty Cycle | 400A/25%; 350A/65%; 250A 100 % |
| Input Voltage | AC380V±10 % 50/ 60 Hz |
| Total Power | 13.9KVA |
| Cooling | Build-in Water Cooling System to welding head |
| Display | 10" touch screen |
| Programs Storage | 80pcs welding parameter |
| Insulation Grade | H |
| Protection Class | IP23 |
| Weight | 120Kg |
| Dimension | 740*520*910 |
| Control Function | Argon gas control Pipe section welding control Welding current and pulsed arc control Welding head rotation control Oscillator motion control Wire feeding control AVC control with on/off function for manual adjustments |
| Safety Control | Motor overload protection Cooling water test Cooling water level and temperature test Tungsten short-circuit protectionionionion |