Oxweld or Purox to Victor tip sizes
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  1. #1
    Join Date
    Apr 2009
    Location
    Boise, ID
    Posts
    4

    Oxweld or Purox to Victor tip sizes

    I've got an old Oxy-Acetylene Handbook here and I've been reading through it trying to familiarize myself with some techniques before burning up some steel. They reference Oxweld and Purox blowpipes and tips only. I might be wrong, but some of the tip number sizes they mention for welding thin steel seem significantly larger than a Victor tip number.

    Are Oxweld, Purox and Victor tip size numbers the same or different? If different, is there a conversion table readily available to convert to the Victor sizes?

  2. #2
    Join Date
    Mar 2008
    Location
    Greater Seattle, WA
    Posts
    593

    Re: Oxweld or Purox to Victor tip sizes

    I have a Purox oxy-acetylene cutting/welding setup and I can vouch that yeah, the tip sizes are waaay different than the tip sizes of other, more common brands. I don't know where a conversion chart from Purox tip sizes to other could be had, at least off-hand. Howevrer I do have a chart I use showing what size purox tip to use (and also what gas pressures to set) for various thicknesses of metal being welded or cut.

    Edit: 5 minutes on google and I found a cutting torch tips size chart for various brands of cutting tips, here:
    http://www.airgas.com/content/detail...=7000000000128

    Edit 2: and here is a welding tips chart for various brands:
    http://bikesmithdesign.com/Welding/tips.html
    Last edited by jakeru; 05-15-2011 at 08:37 PM.

  3. #3
    Join Date
    Aug 2009
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    4,272

    Re: Oxweld or Purox to Victor tip sizes

    Chart saved for posterity. Zoom in to read or save to disk then zoom if necessary.
    Attached Images Attached Images  

  4. #4
    Join Date
    Apr 2009
    Location
    Boise, ID
    Posts
    4

    Re: Oxweld or Purox to Victor tip sizes

    Quote Originally Posted by jakeru View Post
    I have a Purox oxy-acetylene cutting/welding setup and I can vouch that yeah, the tip sizes are waaay different than the tip sizes of other, more common brands. I don't know where a conversion chart from Purox tip sizes to other could be had, at least off-hand. Howevrer I do have a chart I use showing what size purox tip to use (and also what gas pressures to set) for various thicknesses of metal being welded or cut.

    Edit: 5 minutes on google and I found a cutting torch tips size chart for various brands of cutting tips, here:
    http://www.airgas.com/content/detail...=7000000000128

    Edit 2: and here is a welding tips chart for various brands:
    http://bikesmithdesign.com/Welding/tips.html
    Good find! I searched, but to no avail. There's definitely a big difference there. The book I have is a Linde book, so I suppose that's why they specify their tips. I suppose the oxygen and fuel settings in the book could differ from Victor as well then, huh?

  5. #5
    Join Date
    Dec 2010
    Location
    Seattle
    Posts
    175

    Re: Oxweld or Purox to Victor tip sizes

    Quote Originally Posted by mechelement View Post
    I've got an old Oxy-Acetylene Handbook here and I've been reading through it trying to familiarize myself with some techniques before burning up some steel. They reference Oxweld and Purox blowpipes and tips only. I might be wrong, but some of the tip number sizes they mention for welding thin steel seem significantly larger than a Victor tip number.

    Are Oxweld, Purox and Victor tip size numbers the same or different? If different, is there a conversion table readily available to convert to the Victor sizes?
    If you need Victor data, why not go get that directly? Here's a sample best viewed with fixed-width font:

    VICTOR HEATING TIPS

    Style 11
    Fuel Oxygen Fuel CFH Oxygen CFH
    No. 8: 10-15 20-30 30-80 35-90

    MFA (acetylene only)

    No. 2 4-8 4-8 3-9 3-10 (100/300 series handles)
    No. 4 6-10 8-12 6-20 7-22 (100/300 series handles)
    No. 6 8-12 10-15 14-40 15-44 (100/300 series handles)
    No. 8 10-15 20-30 30-80 33-88 (100/300 series handles)
    No. 10 12-15 30-40 40-100 44-110 (100/300 series handles)
    No. 12 12-15 50-60 60-150 66-165 (310 handle)
    No. 15 12-15 50-60 90-220 99-244 (310 handle)

    MFN (use with 310 handle, all fuel gases except acetylene)

    No. 6 2-10 8-20 6-20 20-80 (100/300 series handle)
    No. 8 10-15 10-20 10-35 40-140 (100/300 series handle)
    No. 10 12-20 10-30 20-80 80-320 (100/300 series handle)
    No. 12 15-25 30-125 30-160 120-640 (310 handle)
    No. 15 15-25 30-125 50-200 200-800 (310 handle)
    NO. 20 15-25 40-135 75-250 300-1000 (310 handle)


    VICTOR WELDING TIPS (data covers W, W-1 and W-J series tips) (types 1,4,13,17)

    Metal Welding Drill Pressures (psig) Consumption (scfh)
    Thickness Tip Size
    (in.) Size Oxygen Acetylene Acetylene
    ---------------------------------------------------------
    1/32 000 75(.022) 3/5 3/5 1/2
    3/64 00 70(.028) 3/5 3/5 1½/3
    5/64 0 65(.035) 3/5 3/5 2/4
    3/32 1 60(.040) 3/5 3/5 3/6
    1/8 2 56(.046) 3/5 3/5 5/10
    3/16 3 53(.060) 4/7 3/6 8/18
    1/4 4 49(.073) 5/10 4/7 10/25
    1/2 5 43(.089) 6/12 5/8 15/35
    3/4 6 36(.106) 7/14 6/9 25/45
    1¼ 7 30(.128) 8/16 8/10 30/60
    2 8 29(.136) 10/19 9/12 35/75
    3 10 27(.144) 12/24 12/15 50/100

    To approximate gross BTU output, multiply flow rate by factor below

    Acetylene 1470
    Propane 2498
    Methane 1000
    Propylene 2371
    Butane 3374

  6. #6
    Join Date
    Nov 2009
    Location
    Hellinois
    Posts
    4,843

    Re: Oxweld or Purox to Victor tip sizes

    Tagged
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