KHGK Caliper Open Automatic Tig Pipe Welding Machine

This KHGK caliper open automatic tig pipe welding machine adopts an innovative open structure design, which can be quickly installed without disassembling the pipe, especially suitable for maintenance and confined space operations. The equipment is equipped with an adaptive caliper system, which is compatible with a pipe diameter range of 16-300mm and can be quickly clamped in 3 seconds. The automatic tig pipe welding machine has passed ASME B31.3 and EN ISO 15614 certification, and the welding qualification rate is stable at more than 99%.

Application:The automatic tig pipe welding machine is widely used in online installation and maintenance of petrochemical units, ship pipeline modification, municipal pipeline maintenance and other fields.

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Features:

Patented opening mechanism: lateral opening and closing angle of up to 180°, easily handling installed pipes；

Intelligent welding system: integrated weld tracking and parameter automatic compensation functions；

Modular design: the main machine weighs only 12kg and supports split handling；

All-position welding: meets the requirements of various welding positions such as 5G/6G.

Technical parameters:

Technical Parameter Of Esab tig welding machine
Welding head	KHGK16-40	KHGK36-90	KHGK70-160	KHGK140-230	KHGK210-300
Welding Speed(r/min)	0.4~3	0.2~2	0.1~1	0.07~0.5	0.07~0.5
Suitable Dia.(mm)	16~40	36~90	70~160	140~230	210~300
Electrode Dia.(mm)	1.6/2.4	2.4	2.4	2.4	2.4

The KHGK have 5 types to suitable for welding different pipe diameters.

It’s also could buy a set of control system and different welding head to used for different pipe.

Power and control system technical parameters
Rated input voltage	380v	Argon flow	8~12L/min
Rated welding voltage	TIG welding, 22.6V	Rated voltage no-load	70V
Phase number	three-phase	Frequency	50/60HZ
Rated power input	9.0KW	Welding current adjusting range	4~400A
Voltage allow fluctuating range	380V±10%	Built-in memory space	100 groups of welding code
Rated duty cycle	400A 60%	Each set can segments	1~12 section
250A 100%	Pulse frequency	0.5~500HZ
Rated input capacity	11.5KVA	Preheating time	0.1~25S
Current decrease time	0.1~25S	Cooling water pressure	1.2kgf/㎡

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KHGK Caliper Open Automatic Tig Pipe Welding Machine

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