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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: 4~400A
  • Rated Duty Cycle: 60% or 100%
  • Motor Type: DC Motor
  • Dimensions: 560*420*520mm
  • Usage: Arc welding machine,tube sheet welding machine
  • Voltage: 380V
  • Power(W): 13.2KW
  • Certification: ISO9001:2008
  • Warranty: 1 YEAR
  • After-sales Service Provided: Engineers available to service machinery overseas
  • diameter: 12-89mm
  • weldable Material: Carbon steel, stainless steel, titanium alloy
  • Control system: Industrial PLC
  • Operation: LCD touch screen
  • Welding method: Automation TIG welding
  • Type: DC inverter arc welding machine
  • weldable wall thicness: 1-6.5mm
  • supply power: panosonic
  • key words: arc welding machine,tube sheet welding mahcine
  • voltage: 380V

Packaging & Delivery

Packaging Details 1.Packed in wood case 1080*750*1330mm
2.according to your special requirement
3.N.W/G.W. 110KG/130KG
Delivery Time Shipped in 15 days after payment

Tube to Tube Sheet Welding Machine Automatic TIG Welding Machine  







Product Application

 Applicable industries: petrochemical, 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.




Technical Parameters


Mains Voltage (3-Phases 50/60Hz)


Rated Input Power


Rated input capacity


Voltage allow fluctuating range


Welding current adjust range



50/60HZ, 3 phase

Rated duty cycle

400A   60%

250A  100%

Rated welding voltage

TIG welding, 22.6V

Rated voltage no-load


Weldable tube diameter


Weldable wall thickness


Tube biggest stretch out length


Tube biggest indentation length


Current up time


Current fall time


Pulse frequency


Duty cycle regulating range

10% - 50%

Argon gas flow


Preflow Time


Lag send gas time


Wire adjustable Angle

0.1 – 1.5 m/min

Wire filling diameter

0.8/ 1.0mm

Welding head rotate speed

0.5-5 r/min

Built-in memory capacity

100 groups welding parameter

Welding speed


Cooling water pressure

1.2 kg.f/m

Tungsten pole adjustable Angle


Weld head Weight 

6 kg

Product 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 99 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.


Welding process and effect




Parameter of Control system 
Control methodPLC
DisplayDigital display
Screen touchResistive screen
Built-in memory capacity100 groups of welding standard
Input InterfaceEnglish

Function: The power supply/control system supplies and controls the welding parameters according to the specific weld program created or recalled from memory..The specific weld program ( can store 100 groups)are setup by our engineer according to your welding situation.


 You also can setup your weld specific program through resisitive touch screen. Our machine can tore 100 groups of weld parameter.The sreen pictures are display as belows:







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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China (Mainland) | Manufacturer, Trading Company
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