Thien Baffle Separator #4: Dust Collection 101

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Blog entry by Lance posted 11-23-2011 03:43 AM 14893 reads 2 times favorited 8 comments Add to Favorites Watch
« Part 3: The Glue Up Part 4 of Thien Baffle Separator series Part 5: Harbor Freight's Wye Inlet !!!! »

Well, this is what I’ve been working on the last couple weeks. I’ve spent hours on the computer designing the best way to run my ducting around my shop.

I finally came up with this system below, but I can’t seem to find a 5” wye that will fit to aluminum blast gates. The first one I ordered was the wrong size, the second one from Penn State was beat up and the blast gate weren’t even close to fitting correctly.

-- Lance, Hook'em HORNS! ""V""

8 comments so far

View Lance's profile


428 posts in 2526 days

#1 posted 11-23-2011 03:50 AM

FEEDBACK, PLEASES!!!!!! this buying and sending it back is killing me!

-- Lance, Hook'em HORNS! ""V""

View Paul Pomerleau's profile

Paul Pomerleau

309 posts in 2693 days

#2 posted 11-23-2011 04:45 AM

This might sound like a dumb idea, but can you use your circle cutting jig and cut a ring 4.95” ID and 5.17” OD to use as a spacer between your pipes?
Perhaps a couple out of 3/4” plywood glued together to give you the thickness that you need.
Just a thought.
Your plan looks great by the way, a lot better than my shop-vac setup.
Keep us posted.

-- Close to Ottawa Ontario Canada

View will delaney's profile

will delaney

326 posts in 2635 days

#3 posted 11-23-2011 05:45 AM

Wow! I wish I could be half as productive as you. Like the wall mounted HF.

View Rick  Dennington's profile

Rick Dennington

5862 posts in 3194 days

#4 posted 11-23-2011 05:50 AM

Check with Home Depot or Lowes… They carry duct work of all sizes for heating and air installations. I’ve even seen Y in different sizes…...You never know…

-- " At my age, happy hour is a crap and a nap".....

View thebigvise's profile


191 posts in 2900 days

#5 posted 11-23-2011 05:55 AM

I just installed DC in my shop using 4” PVC. It is less expensive than metal, easier to work with, the fittings fit, and it’s readily available down the street at Lowe’s. It is powered by a 5 HP Oasis single stage collector. I’ve been very pleased with its amazing suction. Total cost: about $800.

-- Paul, Clinton, NC

View OnlyJustME's profile


1562 posts in 2377 days

#6 posted 11-23-2011 06:52 AM

Just use a pair of these to reduce the diameter of the y duct.
available at lowes and home depot and possibly harbor freight too.
taping or sealing all the joints does make a big difference. i had to do that with my HVAC system in my house and now i get warm air on the second floor too.

-- In the end, when your life flashes before your eyes, will you like what you see?

View ken_c's profile


323 posts in 3162 days

#7 posted 11-23-2011 03:01 PM

don’t they make a blast gate adapter – yes they do: ring? here is an alternative to pennstate as well.

View Lance's profile


428 posts in 2526 days

#8 posted 11-23-2011 04:41 PM

Yes, I saw those ken, I’m going to try this system next for all my blast gate with hose. The only thing is I don’t want to over load the separator with a lot of weight on one side with attachments.

I have the Economy wye from Penn State right now but Im thinking of the Premium wye b/c of the 20 gauge, and I’m sure it wont get beaten up and should be some what of a circle when I get it. I didn’t want to pay that kind of $$$$ for it but I think it’s my only option, just hope the blast gate fit.

This is me new option with the premium wye I think, hopefully it will work!

-- Lance, Hook'em HORNS! ""V""

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