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KHYB Roller Fabricated Pipe Orbital Welder
Used for fabricated pipe orbital welding projects. Suiting for Minimum pipe OD ≥50mm, which includes roller positioners, pipe centering support, welding actuator etc.


Chemical, boiler, heat exchanger, pressure vessel, pharmaceutical, construction machinery, military and nuclear power industries etc.


Weight: 110kg
Size: 980×600×1120 mm(L×W×H)

1. PLC control system, can store up to 100 groups welding programs, each group of welding program can be divided into 1-12 paragraphs. The operating interface uses the LCD10.1 touch screen, easy to setting the programs.

2. Adopting OTC brand DT300PⅡmodel DC inverter pulse power source, high welding efficiency, stable arc, finished welding effects will be beautiful and strong.

3. Water cooling system, ensure the machine can keep working with long time.

4. The trolley type designing, easy to move.

5. Water, electric, gas connect joints are connected conveniently, the machine has engine start function.


a) Equipment structure:
The equipment includes roller positioners, pipe centering support, welding actuator, welding system, and control system.

b) Operating Principle:
Cleaning the pipe end, beveling the pipe end with standard technology, ensure the unfitness of pipe butt joint is no more than 1mm, and it needs spot welding firstly.

Model KH Orbital 300A
Control Method - IGBT Inverter
Rated Input voltage|Phase No. - AC 220V/380V±10%
Three Phase
Input Power Frequency Hz 50/60
Rated Input Capacity KVA/KW 9.0/5.9
Rated Input Current A 300
Suitable Pipe OD mm φ50-800mm (customized)
Pipe thickness mm 5-25mm
Rated Unload Voltage V 65V
Rated Load Sustained Rate % 60
Rated Welding Voltage V 19V
Range Of Input Current A 4 - 300
Initial Current A 4 - 300
Pulse Current A 4 - 300
Ending Current A 4 - 300
Welding Wire Dia. mm φ0.8, 1.0, 1.2, 1.6
Wire feeding speed mm/min TIG, 0-1500mm/min
MIG/MAG, 50-3000mm/min
Rise Time Of Current S 0 - 20 s
Fall Time Of Current S 0 - 20 s
Pre-flow Time Of Gas S 0 – 20 s
Lag Time Of Stopping Gas S 0 - 20 s
Pulse Frequency Hz 0.5 - 30
Pulse Width % 5 - 95
Memory Parameters Group - 1 – 100 group
Each set can segments - 1 – 12 segments
Cooling Method - Water cooling
Size(L*W*H) mm 900*700*1100
Weight kg 90
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