Dust Collection #6: Revisions

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Blog entry by Notw posted 04-24-2015 04:15 PM 2534 reads 1 time favorited 3 comments Add to Favorites Watch
« Part 5: Conclusion Part 6 of Dust Collection series no next part

So after about a month of using my new dust collection system I found a couple of areas that had opportunities for improvement. I added the Dust-Rite 5-micron dust collection filter bag from (#20431) shorting after completing the ducting, taking a peek inside the bag’s window shows that it is collecting a lot of dust. Makes me think my decision to not port outside of the shop was a good decision.

The other issue I ran into was there was a lot of reduction in air flow due to the angle from the input of the Thein baffle and the vertical main duct. In order to eliminate this I moved the vertical main duct over one stud ~16” this allowed me to add a 45 degree elbow and get a lot better airflow. I think this also made the overall appearance look cleaner and allowed for more support at the blast gates.

Overall I am still happy with the system and happy every time I peek inside the 32gal Brute trash can at all the dust it is collecting. Much better than emptying every 3 gallons like I was before with the old system. Thanks for looking.

(Also, in the picture it appears the PVC line coming from the dust collector to the Thein baffle is at an angle, in reality it sits directly under)

3 comments so far

View Wildwood's profile


2960 posts in 3626 days

#1 posted 04-26-2015 01:48 PM

While like your set up! For workshop dust collectors you definitely want something better than a 5 micron bag.

Several articles over the years telling us why we need to use canister filters with our DC in home workshops. I went with a Wynne canister but there are more people selling them today. Even better go with mobile cyclone system, but want one that filters better than 1 micron!

-- Bill

View Wildwood's profile


2960 posts in 3626 days

#2 posted 04-26-2015 03:31 PM

This was the best article ever found on the subject on DC in the home workshop.

Found this link mentioned online on various message boards before getting my DC. After reading info at this link was able to figure out what I needed and could afford. Some of the new mobile cyclone systems out today not really much better than what I have now.

-- Bill

View Notw's profile


1264 posts in 3245 days

#3 posted 04-27-2015 02:29 PM

Wildwood, thanks for the feedback. The 5-micron bag was chosen because it had the smaller inlet opening and I could get a better seal at my 4” connection. I was concerned that the bags with larger openings would not seal as well and therefore would defeat the purpose. If there is an affordable bag that is a 1-micron and has the small inlets please send a link my way. Also, this is the same reason I didn’t go with a Wynn filter. Well, if I’m being honest the inlet size and the price tag both.

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