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Thread: dust collection

  1. #1

    dust collection

    Hi , I`m having trouble trying to install my dust collector in my shop.
    I can`t determine if I should use pvc or flex hose. Witch is better ?

    Please Help.

  2. #2
    Join Date
    Oct 2006
    Location
    Tokyo Japan
    Posts
    15,807
    Welcome to the Family JW

    I used PVC pipe, as it was way cheaper than flex hose, and the smooth inside of the PVC keeps the air moving faster than the flex hose.

    I use the flex hose that is smooth on the inside (expensive!) but only at the very end of the run, at the machine, I try to keep it to a minimum, as it is expensive and reduces air flow, over PVC.

    Cheers!
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  3. #3
    Join Date
    Dec 2006
    Location
    Floydada, Tx
    Posts
    1,941
    Flex hose has to much restriction. The pvc is smooth on the inside and allows the the air to move better. Size alos makes a difference. What do you have for a collector?

  4. #4
    Join Date
    May 2007
    Location
    Thomasville, GA
    Posts
    6,000
    I've used snaplock pipe for all of my DC runs. There have been too many stories about static shock in PVC installations unless you run a ground wire. I use a small amount of flex that has a wire in it for some final connections and for connecting to some machines I have on carts.
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  5. #5
    Join Date
    Oct 2006
    Location
    ozarks
    Posts
    4,993
    hi j.w.,
    is this a hobby shop or a business? what kind of pump are you running?( pump= blower) how many feet of what diameter pipe are you planning to pull air through? lotsa questions to address before i`ll offer any advice other than to read bill pentz`s site

    http://billpentz.com/woodworking/Cyclone/Index.cfm
    [SIZE="1"] associated with several importers and manufacturers.[/SIZE]

  6. #6
    Join Date
    Nov 2006
    Location
    Delton, Michigan
    Posts
    17,475
    hey JW i too used pvc and it made a big differnce in my setup but as tod states his questions need to be answered for the best solution to occur. use very little flex as bill stated.
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

  7. #7
    Join Date
    Sep 2008
    Location
    Pretoria, South Africa
    Posts
    52
    I use 110mm PVC for all my main pipes and 50mm PVC down from my ceiling to the workbench. The 50mm downpipes is on 1.4m long, but useless - to much friction. I am in the process of changing this to 110mm as well.

    You will need some flexible to connect to the machien, but as said before, try to get the smooth one - and keep it as straight as posible.

    Uys
    _______________________________________
    Uys van Rooyen
    Pretoria, South Africa

    Uys is pronounced "Ace" - it's Dutch

  8. #8

    reply: dust collection

    I`m using a cyclone dust collector I picked up at Harbor fright and added
    a 40 gallon can. I don`t know yet what size pipe or hose I will be using yet.
    I would like to get all the info I can before I spend that money. My shop is a
    24 x30 and I will have my equipment on two walls.


    Thank you for your replays.

  9. #9
    Join Date
    Nov 2006
    Location
    Delton, Michigan
    Posts
    17,475
    jw if you could be more explicit on your cyclone it would help in leading you in good direction ,,tod has alot to offer but we need to know for one thing the size of your motor and impellor on your cyclone that is what determines the abilty to draw away your dust and chips.. also the length of runs also are critcial in the info given. there is agod bok out there from tauton press on dust collection that would be very helpful to you in this endeavor.
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

  10. #10

    dust collection

    The dust collection syatem I have is 2HP, 120 volt , 60 HZ , 20 AMP.
    It has a 4 inch intake 3450 RPM at 1550 CFM air suction.

    I`m not sure what the lingth of the runs will be hopefully it will not be over
    30 ft.

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