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Thread: Blast Gate

  1. #11
    Join Date
    Jan 2004
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    iBILD Solutions - Southern NJ
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    7,930

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    Quote Originally Posted by bleeth View Post
    If you have a supplier of Valterra 2" Valves in the US for under 10 bucks I want to know them!!
    I've got 8 of them I'll make a deal on. 2" Valterra PVC. Brand New. PM if interested.

    Here's 8 of them actuated like the screenshot Bob posted: Dual Pump Vac System

    Brian - nice work as always. It's nice when you can make something for your own shop rather than watching it go out the door all the time.

    -B
    High Definition 3D Laser Scanning Services - Advanced ShopBot CNC Training and Consultation - Vectric Custom Video Training IBILD.com

  2. #12
    Join Date
    Jun 2011
    Location
    Melbourne, Australia
    Posts
    1,008

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    You got me Dave! Yes they have gone up. Early last year we got a 3" and 11/2" for $16.00 as motorhome replacements. But you're right, the cheapest Camco 3" is $10.47 but nowhere near as good as Valterra. A reall bummer they dont make 4" in this style as there would be about zero leakage. But I reckon Brian is on the right track trying to reduce leakage as you tend to keep adding more ports each year. A similar seal system to Valterra could well work using wood valves. In our own system I ended up with Garry type pneumatic cylinders working the standard plastic gates via $10 240 volt solenoid valves linked to the starter. The idea stopped blast gates not being open when the machine idle. Bit tricky on planers though as you need to allow time to clear (not clever enough to make a Dana electronic delay!)

    http://www.amazon.com/Camco-39513-RV...=pd_sbs_auto_2
    Buddy BT48 with 6' power stick
    2.2 HSD Spindle
    Aspire 9.5
    6" ShopBot Indexer

  3. #13
    Join Date
    May 2011
    Location
    ny
    Posts
    776

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    Bob if you put a flow control valve on the cylinder the close rate will slow and should give enough time for clean out.

  4. #14
    Join Date
    Jun 2011
    Location
    Melbourne, Australia
    Posts
    1,008

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    Brian, I have never tried that and will give it a bash. Thanks.
    Buddy BT48 with 6' power stick
    2.2 HSD Spindle
    Aspire 9.5
    6" ShopBot Indexer

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