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  • 5" air ducks guage

    5" air ducks

    I was on 4" and want to convert to 5" as my Delta dust collector has a 5" input.

    The 5" diameter straight air duck at my DIY center are 30 Guage Is this tick enough?

    Is it true that if I use 30Ga. and forget the trap closed while running the dust collector, the air ducks will collapes?

    I am from Montreal Canada and I just can't find 26 ga. around here. They carry the black stove air ducks that is a thicker guage but they are 6", so they won't fit my system.

    Any body made a system using 5" 30 Ga. for 1280 CFM (Delta 50-760)

  • #2
    Re: 5" air ducks guage

    I got my answer
    30 Ga. is too thin. Final!

    Must be 26 Ga. An even better option is a 26 Ga. spiral. This is especialy made for dust control
    This is available in Montreal area at 2.61$ per foot. sold in 5' and 10' length.
    www.spiromega.qc.ca

    They have all sort of connectors specialy made for dust collection in all the sizes possible.

    Comment


    • #3
      Re: 5" air ducks guage

      Check your local plumbing/ HVAC shop for a 5"x6" reducer. This is what I used on my system as 6" fittings are more available. As for performance my system works well. I have no way to compare my system to another.

      Comment


      • #4
        Re: 5" air ducks guage

        I found in one of my books that running 6" pipe is too large for a "Garage size" dust collector.

        Even if mine is a Delta 50-760 1200 CFM with a 5" intake. Using a reducer installed the wrong way to make it an enlarger is a bad idea.

        The system just won't have the momentum; It needs a lot of power to move 6" of static mass of air for the length of pipe between the dust collector and the machine; resulting in loss of CFM. For example, try sipping a sand grain using a drinking straw: you will swallow the sand grain. Now try sipping a sand grain using a paper towel tube. It won't even move. Try with an even smaller straw (like what is used with WD-40 spray can): Air will choke at your mouth nothing will come in the tube.
        It is better of to run 5" the whole way with 5" flex 3 feet long with 5" to 4" reducer directly at the port of the machine.
        Having that in mind, I wanted to make the system with 5" instead of the easyly available 6" black stove pipes. 4" the whole way is too small.

        As stated above in the thread, I found dust collector specialized pipes at cheap price in my area.

        Comment


        • #5
          Re: 5" air ducks guage

          I found in one of my books that running 6" pipe is too large for a "Garage size" dust collector.

          Even if mine is a Delta 50-760 1200 CFM with a 5" intake. Using a reducer installed the wrong way to make it an enlarger is a bad idea.

          The system just won't have the momentum; It needs a lot of power to move 6" of static mass of air for the length of pipe between the dust collector and the machine; resulting in loss of CFM. For example, try sipping a sand grain using a drinking straw: you will swallow the sand grain. Now try sipping a sand grain using a paper towel tube. It won't even move. Try with an even smaller straw (like what is used with WD-40 spray can): Air will choke at your mouth nothing will come in the tube.
          It is better of to run 5" the whole way with 5" flex 3 feet long with 5" to 4" reducer directly at the port of the machine.
          Having that in mind, I wanted to make the system with 5" instead of the easyly available 6" black stove pipes. 4" the whole way is too small.

          As stated above in the thread, I found dust collector specialized pipes at cheap price in my area.

          Comment

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