Flexlite GX Materials
Manuals
Flexlite GX Online Manual
Technical specifications
GX 203G Download
GX 205G Download
GX 208GMN Download
GX 253G Download
GX 255G Download
GX 303G Download
GX 303W Download
GX 305G Download
GX 305GMN Download
GX 305W Download
GX 308GMN Download
GX 403G Download
GX 403W Download
GX 405G Download
GX 405W Download
GX 408GMN Download
GX 428W Download
GX 503W Download
GX 505W Download
GX 528W Download
GX 605W Download
GX 608W Download
Declarations of conformity
Flexlite GX Download
Brochures and leaflets
Flexlite GX factory installed consumables Download
Guns and torches catalogue - EN Download
References
Buster Boats Read more
Chris Jensen A/S Read more
Levator Read more
Mesekon Read more
Meyer Turku Read more
Turku Vocational Institute Read more
Videos
Excellent ergonomics Watch video
Kemppi Flexlite guns and torches for efficient welding Watch video
Long-life consumables Watch video
Smart cable design Watch video
Universal connectivity Watch video
FAQ
Where can I get service and/or consumable parts for Kemppi equipment?

You can get service and consumables from your nearest Kemppi representative. Please see our representatives near you.

How can I find the closest Kemppi service workshop near me?

You can find the closest repair workshop from our map search.

Natural extension to your hand

Flexlite GX guns for MIG/MAG welding are designed to increase user comfort and welding productivity. Their innovative production methods, high-quality materials and strict quality control guarantee that you can rely 100 % on your Flexlite GX welding gun.

The pistol grip handle, anatomically designed shape and excellent balance reduce wrist loading, allowing the welder to concentrate on challenging tasks to achieve the perfect weld. This has a good effect on both welding quality and productivity.

If you calculate the total cost of ownership for a Flexlite GX gun for MIG/MAG welding, you will see that it stands out for its long-life consumables, for its efficiency and good ergonomics, and that it clearly improves your overall welding productivity.

The Flexlite GX welding guns are available in alternative power classes and lengths, including different neck versions. 

In Kemppi Configurator, you are able to configure the MIG welding gun package suitable for your needs.

 

Benefits

  • Available in three value levels, each designed to serve special welding needs
  • Gas-cooled and water-cooled versions available
  • Ball-jointed cable protection reduces wrist loading
  • Removable pistol grip handle included in every product package
  • Up to 35 % lower contact tip temperature thanks to innovative gun neck structure
  • The genuine Kemppi consumables are a guarantee of a long lifetime
  • Less consumables means lower inventory costs
  • K8 level GX welding guns have optional LED work lights
  • On-torch remote controls are available for K5 and K8 level welding guns
  • Anatomically designed handle gives a firm grip
  • All models are equipped with a QR code that takes you directly to relevant information
Download brochure Watch video
Excellent ergonomics

Excellent ergonomics

Lower fatigue has positive effect on welder's work and results in better quality and efficiency.

Efficient welding

Efficient welding

High-performance welding torch uses the power source capacity efficiently and helps create smooth and spatter-free welds.

Long consumable life

Long consumable life

Reliable and durable Kemppi consumable parts support welding quality and productivity.

Select your product

Welding power needs
Cooling
Cable length
Machine connector

K3 level welding guns

GX 203G
GX 203G 200 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX203G35 (3.5m), GX203G5 (5m)
Load capacity, Ar + CO2 (35%)
200 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
No
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2
Type of connection
Euro
LED option
No
GX 253G
GX 253G 250 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX253G35 (3.5m), GX253G5 (5m)
Load capacity, Ar + CO2 (35%)
250 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
No
Welding process
MIG/MAG
Contact tip
M6
Wire diameters (mm)
0.6‒1.2
Type of connection
Euro
LED option
No
GX 303G
GX 303G 300 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX303G35 (3.5m), GX303G5 (5m)
Load capacity, Ar + CO2 (35%)
300 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
No
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2
Type of connection
Euro
LED option
No
GX 303W
GX 303W 300 A, Water-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX303W35 (3.5m), GX303W5 (5m)
Load capacity, Ar + CO2 (100%)
300 A
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Remote control
No
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Euro
LED option
No
GX 403G
GX 403G 400 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX403G35 (3.5m), GX403G5 (5m)
Load capacity, Ar + CO2 (35%)
400 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
No
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Euro
LED option
No
GX 403W
GX 403W 400 A, Water-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX403W35 (3.5m), GX403W5 (5m)
Load capacity, Ar + CO2 (100%)
400 A
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Remote control
No
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Euro
LED option
No
GX 503W
GX 503W 500 A, Water-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX503W35 (3.5m), GX503W5 (5m)
Load capacity, Ar + CO2 (100%)
500 A
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Remote control
No
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Euro
LED option
No

K5 level welding guns

GX 205G
GX 205G 200 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX205G35 (3.5m), GX205G5 (5m)
Load capacity, Ar + CO2 (35%)
200 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 255G
GX 255G 250 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX255G35 (3.5m), GX255G5 (5m)
Load capacity, Ar + CO2 (35%)
250 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Welding process
MIG/MAG
Contact tip
M6
Wire diameters (mm)
0.6–1.2
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 305G
GX 305G 300 A, Gas-cooled, 3.5m, 5m, 6m or 8m, Euro connector View more
Technical specifications
Product code
GX305G35 (3.5m), GX305G5 (5m), GX305GS6* (6m), GX305GS8* (8m)
*GS models 6m/8m delivered without a wire liner
Load capacity, Ar + CO2 (35%)
300 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2 (3.5m and 5m models) 1.0–1.2 (6m and 8m GS models)
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 305GMN
GX 305GMN 300 A, Gas-cooled, Multineck, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX305GMN35 (3.5m), GX305GMN5 (5m)
Load capacity, Ar + CO2 (35%)
350 A
Changeable neck
Yes
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 305W
GX 305W 300 A, Water-cooled, 3.5m, 5m or 6m, Euro connector View more
Technical specifications
Product code
GX305W35 (3.5m), GX305W5 (5m), GX305WS6* (6m)
*WS model 6m delivered without a wire liner
Load capacity, Ar + CO2 (100%)
300 A (3.5m and 5m models) 250 A (6m WS model)
Load capacity, Ar + CO2 (100%)
300 A (3.5m and 5m models) 250 A (6m WS model)
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6 (3.5m and 5m models) 1.0–1.6 (6m WS model)
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 405G
GX 405G 400 A, Gas-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX405G35 (3.5m), GX405G5 (5m)
Load capacity, Ar + CO2 (35%)
400 A
Changeable neck
No
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 405W
GX 405W 400 A, Water-cooled, 3.5m, 5m, 6m or 8m, Euro connector View more
Technical specifications
Product code
GX405W35 (3.5m), GX405W5 (5m), GX405WS6* (6m), GX405WS8* (8m)
*WS models 6m/8m delivered without a wire liner
Load capacity, Ar + CO2 (100%)
400 A (3.5m and 5m models) 300 A (6m and 8m WS models)
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6 (3.5m and 5m models) 1.0–1.6 (6m and 8m WS models)
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 505W
GX 505W 500 A, Water-cooled, 3.5m or 5m, Euro connector View more
Technical specifications
Product code
GX505W35 (3.5m), GX505W5 (5m)
Load capacity, Ar + CO2 (100%)
500 A
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes
GX 605W
GX 605W 600 A, Water-cooled, 5m, Euro connector View more
Technical specifications
Product code
GX605W5 (5m)
Load capacity, Ar + CO2 (35%)
600 A (40%)
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
1.2–2.4
Type of connection
Euro
LED option
No
GXR10 Gun Remote
Yes

K8 level welding guns

GX 208GMN
GX 208GMN 200 A, Gas-cooled, Multineck, 3.5m or 5m, Kemppi connector View more
Technical specifications
Product code
GX208GMN35 (3.5m), GX208GMN5 (5m)
Changeable neck
Yes
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
Yes
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2
Type of connection
Kemppi
LED option
Yes
Load capacity, Ar + CO2 (60%)
200 A
GX 308GMN
GX 308GMN 300 A, Gas-cooled, Multineck, 3.5m or 5m, Kemppi connector View more
Technical specifications
Product code
GX308GMN35 (3.5m), GX308GMN5 (5m)
Changeable neck
Yes
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
Yes
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.2
Type of connection
Kemppi
LED option
Yes
Load capacity, Ar + CO2 (60%)
300 A
GX 408GMN
GX 408GMN 400 A, Gas-cooled, Multineck, 3.5m or 5m, Kemppi connector View more
Technical specifications
Product code
GX408GMN35 (3.5m), GX408GMN5 (5m)
Changeable neck
Yes
Rotating neck
Yes
Pistol grip handle
Yes
Type of cooling
Gas
Remote control
Yes
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Kemppi
LED option
Yes
Load capacity, Ar + CO2 (60%)
400 A
GX 428W
GX 428W 420 A, Water-cooled, Normal neck or N250, 3.5m, 5m or 8m, Kemppi connector View more
Technical specifications
Product code
GX428W35 (3.5m), GX428W5 (5m), GX428WS8* (8m)
*WS model 8m delivered without a wire liner
Load capacity, Ar + CO2 (100%)
420 A (3.5m and 5m models) 300 A (8m WS model)
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Remote control
Yes
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6 (3.5m and 5m models) 1.2–1.6 (8m WS model)
Type of connection
Kemppi
LED option
Yes (3.5m and 5m models) No (8m WS model)
GX 528W
GX 528W 520 A, Water-cooled, Normal neck or N250, 3.5m or 5m, Kemppi connector View more
Technical specifications
Product code
GX528W35 (3.5m), GX528W5 (5m)
Load capacity, Ar + CO2 (100%)
520 A
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Remote control
Yes
Welding process
MIG/MAG
Contact tip
M10x1
Wire diameters (mm)
0.8–1.6
Type of connection
Kemppi
LED option
Yes
GX 608W
GX 608W 600 A, Water-cooled, 5m, Kemppi connector View more
Technical specifications
Product code
GX608W5 (5m)
Load capacity, Ar + CO2 (35%)
600 A (40%)
Changeable neck
No
Rotating neck
No
Pistol grip handle
Yes
Type of cooling
Water
Remote control
Yes
Welding process
MIG/MAG
Contact tip
M10x1
Type of connection
Kemppi
LED option
Yes

Less parts, lower costs

Kemppi Flexlite GX welding gun models have fewer consumables which means lower inventory costs and makes Flexlite perfect for workshop cost management. In addition, genuine Kemppi spare parts last long and guarantee that your welding gun serves you with maximum efficiency and quality.

Accessories

All Remotes Other Consumables
Kemppi GXR10 - gun remote product image

GXR10 - gun remote

On-torch remote control device for K5 level Flexlite GX welding guns allows accurate ...

On-torch remote control device for K5 level Flexlite GX welding guns allows accurate and immediate welding current adjustment and memory channel selection.

Product code: GXR10

Kemppi GXR80 - gun remote with display product image

GXR80 - gun remote with display

Sophisticated gun remote control with display for K8 level Flexlite GX welding guns. ...

Sophisticated gun remote control with display for K8 level Flexlite GX welding guns. Gun remote has a bright and clear LED display for managing the welding parameters, memory channels and WPSs.

Product code: GXR80

Kemppi Pistol grip handle for Flexlite GX guns product image

Pistol grip handle for Flexlite GX guns

Standard accessory included in all Flexlite GX welding gun packages. Pistol grip hand...

Standard accessory included in all Flexlite GX welding gun packages. Pistol grip handle for MIG welding guns allows a natural wrist position.

Product code: SP0118020

Kemppi Gun necks product image

Gun necks

Gun neck carries the electrical current to the tip of the gun along with the shieldin...

Gun neck carries the electrical current to the tip of the gun along with the shielding gas and cooling liquid. You can extend your welding gun lifetime by updating the neck.

Kemppi MIG/MAG gas nozzles product image

MIG/MAG gas nozzles

Available as threaded or non-threaded and come in many different shapes and sizes for...

Available as threaded or non-threaded and come in many different shapes and sizes for various applications. Available in copper material. Kemppi gas nozzles are easy to clean and change and provide better reachability for special applications (root passes, narrow gap).

Kemppi Contact tips Kemppi LIFE+ product image

Contact tips Kemppi LIFE+

Original Kemppi contact tips ensure optimized welding current transfer to filler wire...

Original Kemppi contact tips ensure optimized welding current transfer to filler wire. Kemppi LiFE+ contact tips last up to 5 times longer than standard copper tips, due to innovative alloying and hardening techniques.

Product code: CT10C1SD001 - CONTACT TIP 1.0 C1 STD M10 CT12C1SD001 - CONTACT TIP 1.2 C1 STD M10 CT10C1SD003 - CONTACT TIP 1.0 C1 STD M6

Kemppi Contact tips product image

Contact tips

Original Kemppi contact tips ensure optimized welding current transfer to filler wire...

Original Kemppi contact tips ensure optimized welding current transfer to filler wire. Kemppi contact tips are available for all wire materials in most common wire sizes from 0.6mm up to 1.6mm. Larger diameters up to 3.2mm are also available.

Kemppi Contact tip adapters product image

Contact tip adapters

Copper or brass contact tip adapters are available for all genuine Kemppi contact tip...

Copper or brass contact tip adapters are available for all genuine Kemppi contact tips.

Kemppi Wire liners product image

Wire liners

Kemppi wire liners are strong, durable and efficient, designed to suit specific fille...

Kemppi wire liners are strong, durable and efficient, designed to suit specific filler wire materials and applications. Most of Kemppi's wire liners are color-coded the same way as the feed rolls in Kemppi wire feeders. This helps to select suitable material for your use. Kemppi liners support the filler wire and ensure its reliable delivery to the welding arc.

Kemppi DL Chili Liner product image

DL Chili Liner

Kemppi's patented teflon liner DL Chili is a two-component plastic liner type that re...

Kemppi's patented teflon liner DL Chili is a two-component plastic liner type that represents the latest solution for reliable feeding of aluminum, stainless steel, acid-resistant and solid steel filler wires. DL Chili technology reduces the surface friction between the filler wire and the liner wall, reducing drag by up to six times compared to traditional plastic.

Kemppi Wire guide tubes product image

Wire guide tubes

Wire guide tube guides and focuses filler wire to the gun's wire liner when the wire ...

Wire guide tube guides and focuses filler wire to the gun's wire liner when the wire moves from the wire feeder to the gun.

Kemppi Neck wire liners product image

Neck wire liners

A short piece of wire liner inside gun neck, used in gas-cooled multi-neck MIG weldin...

A short piece of wire liner inside gun neck, used in gas-cooled multi-neck MIG welding guns.

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Technical specifications