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Dust collection question? Bag or Canister?

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Forum topic by SilsbyWoodworks posted 03-15-2009 04:01 PM 4121 views 0 times favorited 5 replies Add to Favorites Watch
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SilsbyWoodworks

11 posts in 2840 days


03-15-2009 04:01 PM

Looking to buy a dust collector and wondering if the lj’s could give me some advice. What is better, if the microns are the same a bag or canister. I know the price is a little more but does it really help?


5 replies so far

View ND2ELK's profile

ND2ELK

13495 posts in 3241 days


#1 posted 03-15-2009 04:12 PM

I just installed a Penn State Temp 142CX dust collection system with .5 micron cannisters. I feel the cannisters are better. If you go to my blogs and tool reviews you can see pictures and read more on the system. Good luck on picking a system.

God Bless
tom

-- Mc Bridge Cabinets, Iowa

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papadan

1182 posts in 2835 days


#2 posted 03-15-2009 10:47 PM

I have a 2hp Grizzly that has 1 micron bags. Been using it for about 7 years now without a single problem. I also use a Long Ranger 220v remote to operate it.

-- Carpenter assembles with hands, Designer builds with brains, Artist creates with heart!

View dalec's profile

dalec

613 posts in 3355 days


#3 posted 03-16-2009 01:18 AM

I have done some reading on the subject of dust collection. I am not an expert by any stretch.

The filtering quality of bags vary greatly. The felt bags can filter down to 1 micron which is better than some canisters. The answer to your question may not be a straight forward go with a bag or go with the canister.

I suggest reading Bill Pentz’s articles on dust collection and related health issues. You can google his name and you will find many references. His articles give you a better sense of just how damaging the very fine dust that most bags and canister filters do not capture.

Dalec

View marcb's profile

marcb

768 posts in 3140 days


#4 posted 03-16-2009 01:25 AM

To maximize the air flow you need oversized bags if you use bags. Canisters get rid of this space need which can be a bit much for cramped shops. I also find blowing the dust out of canisters easier than beating bags.

wynn environmental sells canisters that can be used in conversions.

View Moron's profile

Moron

5032 posts in 3360 days


#5 posted 03-16-2009 01:54 AM

you need one or the other and “all” of them have a “bag” because “air sucked in, must have air “pushed out”. The air pushed out part might be a filter instead of a bag, but suffice to say they serve the same purpose….......its the bag vs the canister related to frustration or convenience,

I find the more you spend the better the convenience of “dumping the dust” and or shavings. Emptying the “bag” is easy but putting the “bag” back on is a PITA…........the bigger the bag, the bigger the pain in is to put the bag back on and anyone who has changed the “bag” knows what I’m talking about. Pulling the bag onto the sleeve can, at times be like ie.,........trying to pull up small pantyhoes on a fat friend only your fat friend is a guy and he doesnt want to wear them, .......then hold the bag and try and wrap the belt around it….......its certainly not a job I like doing but I’m thankful I have the opportunity to do it once a week.

vs dumping the drum…..........................hands down winner.

as a rule, the cannister/drum type can collect a smaller micron for a longer period of time but not to say that a bag type cannot collect the same size micron but because the filters are often disposable, changing them often ensures cleaner air is returned and as some one previously said, theres no beating the bag.

Just like the “cleanable filters” or the disposable filters on a drum system, not all bags are created either.

I hope that made sense

-- "Good artists borrow, great artists steal”…..Picasso

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