Spot welder for round air pipe
This round duct spot welding machine is used for welding vertical seam of round duct.
1. Our 50mm diameter brass rods are made of solid brass, not iron or aluminum rods wrapped around brass.
2. While other manufacturers use brass for the flexible connection, we use pure copper. Pure copper has better conductivity, while brass has poor conductivity and flexibility.
3. This bronze copper plate contains alloy components. Ordinary brass is relatively brittle, while this alloy copper has high strength.
4. Chromium-zirconium copper is a special material for copper electrode heads, with a higher hardness than pure copper. Some manufacturers use pure copper instead of chromium-zirconium copper.
5. Solenoid valves and cylinders use Taiwan AirTAC.
DN-35 Model | |
Rated capacity (kVA) | 35 |
Input voltage (V) | Single-phase 380V 50Hz |
Input current (A) | 92 |
No-load voltage (V) | 4.2 |
Duty cycle | 20% |
Maximum welding thickness (mm) | 2+2（stainless steel）,1.5+1.5（galvanized steel） |
Weight (kg) | 270 |
DN-50 Model | |
Rated capacity (kVA) | 50 |
Input voltage (V) | Single-phase 380V 50Hz |
Input current (A) | 131 |
No-load voltage (V) | 5 |
Duty cycle | 20% |
Maximum welding thickness (mm) | 3+3（stainless steel）,2+2（galvanized steel） |
Weight (kg) | 320 |
DN-75 Model | |
Rated capacity (kVA) | 75 |
Input voltage (V) | Single-phase 380V 50Hz |
Input current (A) | 197 |
No-load voltage (V) | 6.3 |
Duty cycle | 20% |
Maximum welding thickness (mm) | 4+4（stainless steel）,3+3（galvanized steel） |
Weight (kg) | 370 |
 Air Duct Automatic Production Line VIII |  Air Duct Flange Corner Installation Machine | Flexible Air Duct Connector |  TDC Duct Flange forming machine |
Fodi Machinery Co.Ltd Development History
★ Profound experience in HVAC Ducting Machinery (Since 1988).
★ Profound experience in Automatic Spiral Duct Forming (Since 2004).
★ Profound experience in Automatic Duct Production Line (Since 2006).
★ Have the largest inventory for HVAC Duct Making machines in the industry.
★Got Pantened for Fire Damper Series
★ The real manufacturer with the most complete varieties of HVAC Ducting Machinery in China.
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★★★Fodi company can give you both CNC duct production line machine which can manufacture air duct automatically. We will suggest a whole machines series in accordance with different customers needs★★★
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