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  1. #1
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    Nov 2011
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    St. Louis, MO
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    Default Compressor 4 Sale

    Ingersoll Rand 2 stage Air Compressor 5cfm 3300psi
    3HP 3ph electric motor
    Auto pressure shutoff switch
    3 Stage Eagle Air Purifier system (Model #50LCO65WM)

    StL MO Area Asking $2000 OBO

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    Air Storage Cylinders 4 Sale
    5 - 3500psi cylinder CGA347 valve July-2003 Hydro Asking $100 ea
    2 - 2265psi cylinder CGA540 valve June-1998 Hydro Asking $60 ea
    2 - 2265psi cylinder CGA580 valve June-1998 Hydro Asking $60 ea

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  2. #2
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    Atlanta, GA
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    Default

    What size cylinders are these? K or T?

    How long do hydros last on these. 5 or 10 years?


  3. #3
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    Default

    Quote Originally Posted by khersh View Post
    What size cylinders are these? K or T?

    How long do hydros last on these. 5 or 10 years?
    The 2265psi cylinders are "K" size, or approx 250 cu ft at rated pressure. (9" D x 51"H)
    The 3500psi cylinders are "2HP" , or approx 365 cu ft. (9" D x 51" H)

    All cylinders are out of hydro. I believe DOT says that hydros for fixed cylinders are good for ten years.


  4. #4
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    Jan 2005
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    Orlando, Fl.
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    Default

    Hydro? On storage? Hmm how do you Hydro a Sub ballast Tank?


  5. #5
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    Default

    Quote Originally Posted by curtschu View Post
    Hydro? On storage? Hmm how do you Hydro a Sub ballast Tank?
    I have wondered that myself.
    Being that a Hydro is hydraulic and I don't think compressible gasses are involved, your only dealing with the elasticity of the metal, It shouldn't be that big a deal even if a vessel ruptured.


  6. #6
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    Default

    Quote Originally Posted by a64pilot View Post
    I have wondered that myself.
    Being that a Hydro is hydraulic and I don't think compressible gasses are involved, your only dealing with the elasticity of the metal, It shouldn't be that big a deal even if a vessel ruptured.
    I have never seen a Hydro go boom and I assume it is nothing like a Blevie sp? of Propane but it does still release a lot of energy in a very short time. I'd rather not be there thanks. my healthy respect of high pressure gas is well ingrained


  7. #7
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    Eustis, FL
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    Default

    Quote Originally Posted by curtschu View Post
    I have never seen a Hydro go boom and I assume it is nothing like a Blevie sp? of Propane but it does still release a lot of energy in a very short time. I'd rather not be there thanks. my healthy respect of high pressure gas is well ingrained
    I have... we used to be a hydro facility. It's not a big deal at all. Albeit a bit wet.


  8. #8
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    Oct 2009
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    Gainesville, FL
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    What sort of maintenance has to be done to keep the purifiers working properly?


  9. #9
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    Jun 2011
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    Forsyth, GA
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    Default

    they make a pop sound.
    Quote Originally Posted by a64pilot View Post
    I have wondered that myself.
    Being that a Hydro is hydraulic and I don't think compressible gasses are involved, your only dealing with the elasticity of the metal, It shouldn't be that big a deal even if a vessel ruptured.

    Chris Richardson

  10. #10
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    Oct 2004
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    Default

    DOT requires all DOT stamped storage cylinders to be tested every 5 years. There is a test that can be done that will allow this to be extended out in time, but I do not remember the interval. If the cylinder is made under the ASME rules, then it is not required to be tested, unless the rule it is certified under requires testing. There are hydrotesting services that test the big submarine cylinders using stress gauges rather than a water bath, it is interesting to watch. There are stress gauges attached around the cylinders in rows that are about a foot or less apart, the cylinder is filled and pressurized, and the stresses are recorded on a computer. It is not cheap.

    http://www.psicylinders.com/inspecto...-storage-banks

    "Have you ever noticed
    When you're feeling really good
    There's always a pigeon
    That'll come shiat on your hood?" John Prine 4-7-2020

    "Into the blue again; in the silent water
    Under the rocks, and stones; there is water underground" Talking Heads


 

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