
Seam welder for round air pipe
This round duct seam welding machine is used for welding vertical seam of round duct. Advantage is high-speed, material-saving, seaming tighter and seaming joint firmer.
This is the economic one for seam welder with wires:





FN-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 | 50% |
Maximum Welding ThickneSS (mm) | 1+1 (stainleSS steel),0.8+0.8 (galvanized sheet) |
Length for copper bar | 850mm |
Weight (kg) | 330 |
FN-50 model | |
Rated Capacity (kVA) | 50 |
Input Voltage (V) | Single phase 380V 50HZ |
Input Current (A) | 131 |
No-load Voltage (V) | 5 |
Duty Cycle | 50% |
Maximum Welding Thickness (mm) | 1.2+1.2 (stainless steel),1+1 (galvanized sheet) |
Length for copper bar | 850mm |
Weight (kg) | 380 |
FN-75model | |
Rated Capacity (kVA) | 75 |
Input Voltage (V) | Single phase 380V 50HZ |
Input Current (A) | 197 |
No-load Voltage (V) | 6.1 |
Duty Cycle | 50% |
Maximum Welding Thickness (mm) | 1.5+1.5 (stainless steel),1.2+1.2 (galvanized sheet) |
Length for copper bar | 850mm |
Weight (kg) | 450 |
FN-100model | |
Rated Capacity (kVA) | 100 |
Input Voltage (V) | Single phase 380V 50HZ |
Input Current (A) | 263 |
No-load Voltage (V) | 7.2 |
Duty Cycle | 50% |
Maximum Welding Thickness (mm) | 1.8+1.8 (stainless steel),1.5+1.5 (galvanized sheet) |
Length for copper bar | 850mm |
Weight (kg) | 520 |
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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.
★★★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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