Reply by DIYaholic

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Posted on HF Dust collection question

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19597 posts in 2642 days

#1 posted 03-24-2012 05:07 PM

5” ducting/connectors is/are difficult to source, according to posts here on LJs. I believe 5” MAY be available online, but probably not worth the added cost. I would go with 4” ducting.

Reducing ducting/hoses from 4” to 2-1/2” hoses creates too much resistance. Not only the CFMs (volume of air) are reduced, but the flexible hose also is an added restriction. Staight & smooth is the goal!!! Whether standard PVC, sewer & drain PVC or metal ducting, the “utimate” design should be as straight as possible and have as short of a run of flex hose as possible. ANY bend in ducting should be 45 degrees as opposed to 90 degrees. If neccesary, run 2 45 degree fittings with a short straight section (instead of 1 90 degree fitting).

I have the HF 2HP DC also. I have not run ducting yet, but I will be shortly. I’m more than likely going to use the 5” to 4” “Y” fitting that came with the unit and duct the shop with 4” metal ducting.

The other consideration for shop dust collection is an ambient air cleaner. The ambient air cleaner filters the air of the small (.5 micron) particles that the “Dust Collector” misses at the machine. It is the small particles that end up being inhailed & DESTROY lung function. You can do a search for shop made &/or purchased air cleaners.

Good luck, have fun & STAY SAFE in your shop.

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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