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  • eric75
    replied
    I like to use a gas lens because it reduces the turbulence in the gas flow coming out of the nozzle. Less turbulence means the shielding gas goes further before dispersing and getting carried away be air currents in the room. It reduces the chance of oxygen and other non-inert gasses will reach the molten metal. It allows more tungsten extension. It allows you to run lower flow rates.

    I don't know about the Pyrex ones, but the kind I use are pretty cheap from the local welding supply. They simply replace the collet body on your torch. You have to use a differnt nozzle that is sized to thread onto the gas lens.

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  • Sundown
    replied
    There is a difference between a normal gas lens setup and the CK Gas saver lens setup. With the gas saver setup you can cut your gas flow by about 40% of normal. A single size saver setup retails for about $30-35 or so, thats with a pyrex cup, alumina slip on cups are also available. The gas saver cups are slip-on and won't fit any of the screw on gas lens that are common. Be extra careful with the pyrex cups as they don't even bounce when they hit the floor, you will be picking up peices for awhile.

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  • fun4now
    replied
    KC??oooops CK LOL

    i got them off e-bay. i too was looking at them on there site but could not figure out how to order from them. i got a set of 5 of all the parts for 3/32" tung. i paid like $30.00 i think. but as i couldnt find out how to order from CK i have no ideal what they should or do caust .
    i sent mine out with the dyn. starter kit i sold so i never got to try them but from the looks of the wright up on them i will try to get some again when i finaly get a TIG setup.

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  • Caliber
    replied
    Fun4now, I bought a set like that off of ebay, 3/32 size. I than bought HTP's pyrex cup kit- which has the tungsten adapter and wedge collet for each size .040, 1/16, 3/32 ,1/8, but they only include one heat shield, one pyrex cup, and one collet body. Good thing is these one items fit all sizes and I got 5 each of them off of ebay. All together I now have a complete kit with 2 extra spare cups and 2 extra collet bodies 4 extra 3/32 adapters & collets, for less than $90.00
    Rich

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  • Eicon
    replied
    gas lens

    I think the gas lens is primarily usefull to Filter out any obstructions entering the torch which in turn contaminates the weld. Lenses are usefull when making critical welds or Xrays.

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  • Sundown
    replied
    Originally posted by fun4now
    a gas lense reduces the amount of gas needed wile TIG'ing.
    see atached for a pic.

    this set came from KC but you can get them from most dealers i would think
    I am guessing that you mean CK, can you tell me if you got those from a dealer local to you or Online. I have been trying to find a www dealer to get some replacements as the local dealer here thinks he is Jesse James (the old west outlaw, not the current version). Thanks.....

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  • fun4now
    replied
    a gas lense reduces the amount of gas needed wile TIG'ing.
    see atached for a pic.

    this set came from KC but you can get them from most dealers i would think
    Attached Files

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  • farmboy weldor
    started a topic gas lens?

    gas lens?

    ive been looking at some threads about tig question , and i was wondering what a gas lens is?
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