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Quick Details

  • Condition: New
  • Place of Origin: Henan, China (Mainland)
  • Brand Name: KEHUI
  • Model Number: KHGK
  • Arc Current: 4-400A
  • Pulse Frequency: 50HZ/60HZ
  • Pilot Arc Current: 4-400A
  • Rated Duty Cycle: 60%
  • Motor Type: AC Motor
  • Dimensions: 1000*1200*1600
  • Usage: pipe weld
  • Voltage: 380V
  • Power(W): 13.2kw
  • Certification: ISO9001, CQC, SGS
  • Warranty: 12 Months
  • After-sales Service Provided: Engineers available to service machinery overseas
  • Rated input voltage: 250A/400A
  • Advantage: Stainless Steel Tube welding
  • Phase number: Three phase
  • Frequency: 50/60Hz
  • Argon gas flow: 8~12L/min
  • Service life: 8~12 years
  • International standards: ISO9001 & CCC
  • Service type: OEM service
  • key words: inverter wedling equipment
  • type: arc welding machine

Packaging & Delivery

Packaging Details 1.Packed in wood case
2.standard packages
3.according to your special enquipement
Delivery Time Shipped in 15 days after payment

Low Price!!! Orbit Auotomatic TIG ARC tube/pipe welder/Welding machine



Product application
Applicable industries: Petrochemical, boiler, refrigeration, medicine, aerospace, pressure vessel, ship building, food machinery, atomic energy ,etc.
Applicable scope: Apply to the pipe’s external diameter from 16mm-230mm such as tube – pipe,tube-elbow, the tube flanges,the materials of which is carbon steel or alloy steel or stainless; butt welding may adopt wire filling or no wire filing. 




Parameter of weld head
Type of welding headKHGK 16-40KHGK 36-90KHGK 70-160KHGK 140-230
Welding Speed(r/pm)0.4~30.2~20.1~10.07~0.5
Weldable Dia.(mm)16~4036~9070~160140~230
Electrode Dia.(mm)1.6/
Dwell time(s)     0.1~20.1~20.1~20.1~2
Automatic arc length control
Filler Wire
Wire Diam.(mm)0.8/1.00.8/1.00.8/1.00.8/1.0
Power Source
Setting Range(A)8~4008~4008~4008~400



Parameter of power supply
Rated input voltage380 V
Rated input capacity11.5 KV A
Rated power input9.0 KW
Voltage allow fluctuating range380 V±10%
Phase numberThree-phase
Frequency50/60 HZ
Welding current adjust range4~400 A
Rated duty cycle400 A   60%
250 A 100%
Rated voltage no-load70 V
Rated welding voltageTIG welding, 22.6 V
Pulse frequency0.5~500 HZ
Built-in memory space100 groups of weld parameter
Each set can segments1~12 section
Duty cycle regulating range20%-50%
Argon flow8~12 L/min
Preheating time0.1~25 S
Current rise/fall time0.1~25 S
Cooling water pressure1.2 kg/f



Note: Trolley which loaded Panasonic power source , weld head, Argon gas cylinders.

Easy to mobile 


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:



Function and characteristics
1.Welding head have four specifications, according to different environment, the clients can choose one or several specifications
2. Suitable for various kinds of pipe - pipe joint way and various groove form
3.According to different working environment, welding process can use built-in wire or external wire
4.Main parts of welding head are made of aviation materials, which has many advantages such as light weight, stable structure size and keeping formation under high temperature
5. Under aegis of the forced water cooling, welding head can work long time
6. Driving and wire feeding are done by stepper motor,so welding head is reliable
7.In order to reduce labor intensity and make the operation more convenient, the balancer is used.
8. Clients can choose the arc length automatic adjustment device and yawing device. According to different requirements, yawing device can be used mechanical and swing magnetic pendulum
9. PLC control system and LCD touch human-machine interface(resistive touch screen) can store up to 100 groups of welding standard; each group of welding scope can divide 1-12 section, inputting simply; the workers do not need professional foundation.
10. Adopting Panasonic IGBT inverter control dc pulse power make welding high effectively and arc more stable and welding bead more beautiful.
11. Mandatory water cooling system, equipped with 16 liters stainless steel tank, not affected by field water hydraulic conditions of limits, cooling fully, reliable convenient
12. The cars type integration design, mobile freedom, equipped with small tools and argon gas bottle seat, more welding head can store in the tools.






Welding  effect














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