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  1. #1
    Join Date
    Jul 2012
    Location
    Phoenix, AZ
    Posts
    40

    Post Oxy acetylene help need some tips?

    I never used oxy acetylene before I'm unsure on what my pressures should be when I hook up my regulators for oxy and acetylene. What pressures should my oxy and acetylene be at? Any thoughts?

  2. #2
    Join Date
    Feb 2011
    Location
    Cloverdale,Ca
    Posts
    305
    Depends upon your tip size and what task you are performing. You should consult your manufacturers literature to find the correct pressures.
    Living the dream !!

  3. #3
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,830
    Your cut set literature will have the basic pressures you need.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  4. #4
    Join Date
    Jul 2012
    Location
    Phoenix, AZ
    Posts
    40
    Nice thanks guys.

  5. #5
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,395
    Read the manual.


    I find that most guys run pressures way too high.

    Assuming (big leap) that you're using the typical small oxygen acetylene setup, 5 and 5 are good starting points.

  6. #6
    Join Date
    Apr 2012
    Location
    Paper Street Soap Company
    Posts
    2,304
    Acetylen 5 and Oxy 15.

    Been setting them up that way for years.

  7. #7
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Does he know how many turns to open acetylene tank?

  8. #8
    Join Date
    Nov 2011
    Location
    St. Louis
    Posts
    3,208
    7 A, 11 O and adjust from there at the torch valves. Nice strong hiss, 3/4" blue flame for suction line, 1/2 for liquid line.

    Keep the service wrench on the acetylene tank and poised to close in a hurry.

    Works for me - however I have no idea what my tip size is...just the one I inherited and got used to.

    I'm betting once you get used to it...you won't be paying all that much attention to pressures. Until your tanks run out.

  9. #9
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    [QUOTE=Keep the service wrench on the acetylene tank and poised to close in a hurry.
    [/QUOTE]

    Also a great tip,

    open tank quarter turn past when you see the primary pressure gauge read pressure.

  10. #10
    Join Date
    Mar 2007
    Location
    Chicago
    Posts
    28
    Check out this guy on YouTube. He has a lot of great videos on brazing that are made well.

    http://www.youtube.com/watch?v=hZlcS...e_gdata_player


    The Day You Stop Learning Is The Day You Think You Know Everything.

  11. #11
    Join Date
    Jul 2012
    Location
    Phoenix, AZ
    Posts
    40
    Awesome thats sounds easy enough to remember thanks.

  12. #12
    Join Date
    Jul 2012
    Location
    Phoenix, AZ
    Posts
    40
    Thanks I appreciate it.

  13. #13
    Join Date
    Dec 2010
    Location
    Somewhere in Cali
    Posts
    172
    I would say 5a 7o.

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