Reply by brtech

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Posted on Small shop dust collection

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1029 posts in 2951 days

#1 posted 07-12-2013 01:20 PM

I have the HF DC. I use mine rolling around with a 10’ flex. It’s annoying, but it’s efficient and cheap. I have cheap flex, but I’m likely going to upgrade to the Rockler Dust Right

You can hard pipe it; many HF DC owners do. Use 4” Sewer and Drain PVC.

Come up from the DC, pipe one main line and branch to each tool. Use two 45s and a short section of straight pipe instead of a 90 elbow. Use Wyes, not Tees. You can use a short section of flex to the tool, but it’s better not to. Use blast gates on each branch. While it’s usually the case that you only have the one open to the tool you are using, sometimes you find that with some machines on some runs, it’s better to have some other open port.

There is no static safety issue, period.

UPGRADE YOUR FILTER. Get the Wynn Environmental .5 micron. It’s a drop in replacement and seriously improves your safety. It also improves your airflow!

Read about the Thein baffle. You might want to plan one in to your DC. It makes cleaning easier and keeps more dust out of your filter. You can build it into the ring of the DC or have it outboard with a separate drum. The latter makes a smaller installation and more airflow, the former may make your ducting easier and avoids sending chips through the impeller.

A more radical idea, which probably where I’m going, is to wall mount the DC with the motor flipped. This gets you a straight run to the ring and the intake is easier to manage (and closer to the ceiling)

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