Specification This Stitch Welding machine (Stitchwelder) is accord with CE standard, and can be widely used in HVAC duct system, specialize for the high quality welding line. Most important Components of this machine adopts world well known brand to keep the equipment high quality. This one is very similar with the stitch welding machine of spiro company. The quality is same actually. But the price is much more competitive. Main date TYPE: BJF 55.0 1. Diameter Range: 100-1000mm (If the material diameter is over 500mm, it should be supported by a bracket.) 2. Length Range: 50-100mm (If the material length is over 500mm, it should be supported by a bracket.) 3. Single material thickness range: 0.4-1.2mm; folding material thickness: 6mm ( we can design the machine according to client's request) 4. Welding speed: 4-12m/min; 5. Material: Galvanized Steel, Stainless Steel, Mild Steel 6. Welding Type: Stitch & Continuous Type 7. Transformer: 55 KVA; 8. Electric Power Supply: 3x380V; 50HZ; 9. Power Fuse: 3x120A; 10. Cooling Type: Water cooling System 11. Cooling water pressure: ≥5bar 12. Water flow: 6L/min 13. Pressure air: 5bar 14. Copper wire diameter: ф1.8mm 15. Gross weight: 1150kg