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Thread: 3000psi

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  1. #1

    3000psi

    So my new shoebox is a bigger hit than I expected with the local players. I have had people calling me wanting to come by and fill tanks. I guess I'm antisocial, so I ordered a scuba tank to be able to offer fills at the game.

    I'm not super comfortable filling a 3kpsi tank with a compressor that will be perfectly happy to fill to 4.5k. Yes, I can shut it off early, but that is a fairly unreliable control.

    If I wanted to CONVERT my shoebox to 3k psi, including a new burst disk so that it isn't a dual-pressure setup, and is safe, what would be the recommended way to do that? Move the switch? Adjust the vertical arm that hits the switch? New Spring?

    If you (AGD) are looking for a 3k field tester, I'm interested.

    Thanks,
    'wose

  2. #2
    Join Date
    Jun 2010
    Location
    In the Box shop
    Posts
    41
    Quote Originally Posted by Woodwose
    If I wanted to CONVERT my shoebox to 3k psi, including a new burst disk so that it isn't a dual-pressure setup, and is safe, what would be the recommended way to do that? Move the switch? Adjust the vertical arm that hits the switch? New Spring?

    Thanks,
    'wose


    Pleasae dont mess with the safety of your ShoeBox. There is no recommended way. We will not advise support or condone messing with the built in safety features.

    DO NOT MOVE the switch. DO NOT attempt to adjust the vertical arm that hits the switch.
    DO NOT MESS with the spring. The springs are custom made.

    We will offer 3000psi ShoeBox's for sale in the near furture.

  3. #3
    Join Date
    Dec 2000
    Location
    offshore
    Posts
    7,178
    Once you figure out how long it takes to fill your tank just put the shoebox on a timer to shut it off.
    Email me for low prices on ALL AGD Products and more. tunaman5@verizon.net
    Tunamart

  4. #4
    Gotcha. No messing with the Shoebox. I will "put my hands in my pockets and walk away".

    I like the timer idea Tuna. Thanks.

    What about one of the electric pressure shutoff switches that have been mentioned before, plumbed in after the outlet of the compressor?

    Like mcmaster-carr part 3427K83 which shuts off at 400-4700psi? The 5 amp rating should be plenty to wire in directly, and +-1.5% would be a very nice and tight shutoff range.

    Thanks,
    'wose
    Last edited by Woodwose; 07-09-2010 at 10:49 AM.

  5. #5
    Join Date
    Jul 2008
    Location
    Minneapolis
    Posts
    115
    Quote Originally Posted by Woodwose
    Gotcha. No messing with the Shoebox. I will "put my hands in my pockets and walk away".

    I like the timer idea Tuna. Thanks.

    What about one of the electric pressure shutoff switches that have been mentioned before, plumbed in after the outlet of the compressor?

    Like mcmaster-carr part 3427K83 which shuts off at 400-4700psi? The 5 amp rating should be plenty to wire in directly, and +-1.5% would be a very nice and tight shutoff range.

    Thanks,
    'wose
    that's pretty good.

  6. #6
    I picked up one of those pressure switches, and as soon as I have it hooked up, I'll post a trip report.

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