| Item | YF-DH-25 | YF-DH-20 | YF-DH-16 |
| Working situation | Automatic welding machine | Automatic welding machine | Automatic welding machine |
| Welding range | Φ3-Φ28mm | Φ3-Φ20mm | Φ3-Φ18mm |
| Minimum | 20mm | 20mm | 20mm |
| weight | 3.3kg | 2.5kg | 2.1kg |
| cable length | 2m | 2m | 2m |
| way of working | arc formula | arc formula | arc formula |
| material | high temperature insulating plastic | ||
technology continues to progress,subject to change,to prevail.
