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  1. #1
    Join Date
    Jul 2007
    Location
    tasmania
    Posts
    9

    Default BOC LPG cutting nozzle size??

    Hi All

    I have a heap of cutting to do, mainly 1/4 inch thick and 1/2 inch thick mild steel but also some railway line.

    Would the 1 cutting nozzle do both jobs?

    What size for the Boc 2 seat Oxy/LPG cutting nozzles do I need?

    Available sizes are 6,8,12,15,20 and 24.

    Regards

    Dave

  2. #2
    Join Date
    Sep 2010
    Location
    Lebrina
    Posts
    1,910

    Default

    Number 8 is ideal for 5-10mm, 12 for 12-20mm and number 15 covers 25-75mm.
    Number 12 may scrape in on the railway track, but I doubt it. If you are restricted to only one tip, I would go with a 15 as you can turn the preheat flame down for 5mm but you can't make a number 8 cut 25mm.

  3. #3
    Join Date
    Jul 2007
    Location
    tasmania
    Posts
    9

    Default

    OK, thanks Karl, I'll get a No. 15. I can soon get a smaller one if the 15 uses too much gas on the lighter work.

    Dave

  4. #4
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    71
    Posts
    5,942

    Default

    Dave, when you go to cut the railway line, put a cold chisel nick in it at the point of cut, as it won't need as much preheating prior to cutting.
    Kryn

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