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Quick Details

  • Condition: New
  • Place of Origin: Henan, China (Mainland)
  • Brand Name: KeHui
  • Model Number: KHB12-80
  • Arc Current: 4~400A
  • Pulse Frequency: 50/60HZ
  • Pilot Arc Current: 4A
  • Rated Duty Cycle: 60%
  • Motor Type: Stepper Motor
  • Dimensions: 12mm-89mm
  • Usage: TIG welding machine for Boiler, pressure vessel, heat exchanger etc.
  • Voltage: 380V±10%
  • Power(W): 13.2kw
  • Certification: ISO9001, SGS, CQC
  • Warranty: 12 months
  • After-sales Service Provided: Engineers available to service machinery overseas
  • tube diameter: 12mm - 89mm
  • Weldable wall thickness: 0.8-6.5mm
  • Welding speed: 50-150mm/min 0.5-5r/min
  • Cooling method: Water cooling
  • operate: LCD touch screen
  • N.W: 150KG
  • storage welding databases: 100 groups
  • inverter welder: IGBT inverter
  • Power: Panasonic power supply
  • Welding method: Automation orbital TIG welding machine

Packaging & Delivery

Packaging Details Inner cartons wrapped with plastic wrap, the outer layer plywood box.
Delivery Time Shipped in 15 days after payment


1. Automatic orbital welding machine
2. 12-89mm tube diameter
3. PLC controller
4.21 year manufacturer




Main Technical Specifications:

Rated input voltage

380V±10%  (Three Phase)

Rated input capacity


Rated power


Rated Input Frequency


Rated load sustained rate


Rated welding voltage

TIG welding   22.6V

The rated no-load voltage


Weldable tube out diameter


Weldable tube wall thickness


Tube Max stretch out Length


Tube Min indented length


Welding current adjusting range

4 - 400A

Pulse frequency


Duty cycle ratio adjusting range


Argon gas flow


Wire feeding speed


Welding Wire diameter


Built-in memory capacity

100 group welding parameters

Welding speed


Cooling water pressure


Tungsten electrode adjustable Angle


Weight of Welding head

7.5 kg

Weight of host machine (consist of power supply, controller, water cooling system, tool box)

152 kg



Automatic welding machine Application

 Applicable industriespetrochemical, boiler, pressure vessel, shipbuilding, food machinery, etc.

 Applicable productspressure vessel, boiler, heat exchanger, etc.

 Suitable for : the pipe outer diameter 8mm-80mm of carbon steel, stainless steel, copper alloy, titanium alloy, etc.

Automatic welding machine Function

 1.Suitable for various kinds of welding of  tube-tube sheet .

 2.Weld head compact structure and small volume. Using elastic and positioning mandrel, three supporting frame that can make the circumferential, axial and radial adjusting, quickly and  accurately ! Imported motor and transmission institutions make head movements more reliable!

 3.Program-controlled system humanist, the operation is simple, friendly man-machine interface, can be stored up to 100 welding standard, each group of welding standard can be divided into 1-16 segment, input simple, without professional basis and special language!

 4. IGBT power inverter control dc pulsed current and welding arc stability of high efficiency, strong, weld bead molding beauty!

 5.Mandatory water cooling system, not affected by field hydraulic conditions such as restrictions, cooling fully, reliable convenient.

 6.The cars type integration design, mobile free and easy to use.



l  21 years’ experience focus on welding industry


l  In 2014, the company is authorized to distribute share and stock 


l  Auto welding, save cost


l  Fusion welding, fillet welding


l  Easy to weld tube to plate, tube welding, and plate welding


l  Welding joint looks smooth and nice


l  TIG welding, argon gas protection











Our Services

warranty: One Year

After-sale service: 

1. Training for less than two weeks in our factory.

2. Training CD video

3. Video call.

4. Our engineers available to service machinery oversea.



Packaging & Shipping


Packaging Detail: waterproof antirust Plywood cases seal packages
Packaging Size :1.16m x0.75m x1.34m
G.W: 210 kg


1. By sea: From Qingdao city, or Shanghai city, or according to alients' requirment.

2. By air:  From Zhengzhou city, or according to alients' requirment.


Key words


1. automatic orbital welding machine

2. automatic TIG welding machine

3. automatic tube to tube welding machine

4. automatic tube to tube sheet welding machine

5. automatic argon arc welding machine

6. automatic inverter tig welding machine

7. closed chamber head orbital welding machine

8. open head orbital welding machine

9. automatic electric arc welding machine

10. tube welding machine

11.circular seam automatic welding machine = girth seam automatic welding machine = circumferential seam automatic welding machine

12. automatic submerged arc welding machine

13. automatic SAW welding machine


Attention:welding machine = welder = welding equipment = soldering machine;tube = pipe;sheet = plate;





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