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Name/model

GNH-50/1422×12200

GNH-50/1460×12200

Mode of welding

Automatic are welding

Automatic are welding

Pipe diameter(mm)

Φ360～Φ1422

Φ360～Φ1460

Wall thickness(mm)

X80≤40;Q345≤40

X80≤40;Q345≤50

Welding length(mm)

8000～12200

6000～13000

Material(mm)

Q345、X42～X80

Q345、X42～X80

Welding wire number

2～4

2～4

Welding wire diameter(mm)

Φ3.2～Φ4.0

Φ3.2～Φ4.0

Welding speed(variable frequency speed control)(m/min)

0.5～0.3 Stepless speed regulation
 

0.5～0.3 Stepless speed regulation

Carriage speed(variable frequency speed control)(m/min)

0.5～25 Stepless speed regulation

0.5～25 Stepless speed regulation

Carriage power(kw)

18.77

18.9

Speed of turning roller(m/min)

0～9.9 Frequency control of motor speed

4.55

Welding seam precision(mm)

Longitudinal welding :±0.5
vertical welding:±0.5

Longitudinal welding :±0.5 
vertical welding:±0.5

Lifting height of cantilever(mm)

≥200mm

≥200mm

Lifting height of earthing device(mm)

≥1500mm

≥1500mm

Retreating distance of machine(mm)

≥20000mm

≥20000mm

Fluctuation of current

Current≤1%,Voltage≤7%

Current≤1%,Voltage≤7%

Welding method

Fixed welding point and moving pipe

Fixed welding point and moving pipe

Adjusting range of current(A)

DC240～1500A AC240～1200A

DC240～1500A AC240～1200A

Adjusting range of voltage(V)

DC24～46V AC24～44V

DC24～46V AC24～44V

Production efficiency(pcs/min)

1/12

1/12

Overall dimensions(L×W×H)(mm)

31000×5000×3500

31000×5000×3500