Reply by brtech

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Posted on HF Dust collection question

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1029 posts in 2948 days

#1 posted 03-24-2012 06:27 PM

Yes, my blast gates fit 4” S&D PVC just fine. They fit inside.

Yes, PVC is MUCH better than flex

Just remember: Wyes not Ts, wide sweep or 2×45 with straight, not 90s.

The thing is: you usually do hard pipe runs overhead. So you have to come up out of the DC, across to the drop, down to the tool inlet. The pipe length is often 2X what flex direct from the DC to the tool would be. PVC is much better, but is it 2X better? Probably not. But it’s a heck of a lot easier to open the blast gate than it is to snake the flex over and mate it to the tool.

You do have to remember to close the blast gates you aren’t using.

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