Dust collection fittings - Woodworking Talk - Woodworkers Forum
 
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post #1 of 12 Old 04-27-2019, 12:59 PM Thread Starter
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Dust collection fittings

I bought this for my job site table saw and find out the size is the same OD

Woodstock D4229 2-1/2-Inch T-Fitting https://www.amazon.com/dp/B00AX5I8C4..._DOiXCbPJGYZAQ

I can’t find any 2.5” couplings at Lowe’s or home depot. Any recommendations?




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post #2 of 12 Old 04-27-2019, 02:50 PM
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Do you have a Woodcraft store nearby? They would have it.

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post #3 of 12 Old 04-27-2019, 02:52 PM
where's my table saw?
 
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a common problem!

There is no "standard" for vac or DC sizes.
Try this?
https://www.amazon.com/Shop-Vac-9068...07&s=hi&sr=1-4



Even those with stated dimensions vary a bit and that's the problem.

You can butt them together and slide a sleeve over the joint and clamp on either side to seal them. Use something like this for the sleeve:
https://www.google.com/shopping/prod...blpASAQ8wII2wI


or this:
https://www.google.com/shopping/prod...blpASAQ8wIIwwM


or this:
https://www.google.com/shopping/prod...blpASAQ8wIIugM


When all else fails, look in your frige, pantry or recycle bin for a plastic bottle that's the correct size. Cut off both ends and use hose clamps to seal it. Aluminum duct tape will work rather than the hose clamps. I have made 20 different size funnels by cutting the ends of plastic bottles and they work great for engine oil and trans fluid on ATVs and motorcycles etc.

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #4 of 12 Old 04-27-2019, 03:40 PM Thread Starter
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Quote:
Originally Posted by JamesTinKS View Post
Do you have a Woodcraft store nearby? They would have it.


Nope nearest one is like over an hour away


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post #5 of 12 Old 04-27-2019, 03:41 PM Thread Starter
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Quote:
Originally Posted by woodnthings View Post
There is no "standard" for vac or DC sizes.
Try this?
https://www.amazon.com/Shop-Vac-9068...07&s=hi&sr=1-4

I have this it’s the same 2.5” OD :(

Even those with stated dimensions vary a bit and that's the problem.

You can butt them together and slide a sleeve over the joint and clamp on either side to seal them. Use something like this for the sleeve:
https://www.google.com/shopping/prod...blpASAQ8wII2wI


or this:
https://www.google.com/shopping/prod...blpASAQ8wIIwwM


or this:
https://www.google.com/shopping/prod...blpASAQ8wIIugM


When all else fails, look in your frige, pantry or recycle bin for a plastic bottle that's the correct size. Cut off both ends and use hose clamps to seal it. Aluminum duct tape will work rather than the hose clamps. I have made 20 different size funnels by cutting the ends of plastic bottles and they work great for engine oil and trans fluid on ATVs and motorcycles etc.





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post #6 of 12 Old 04-27-2019, 08:21 PM Thread Starter
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If the OD is 2.5” what size is the ID ?


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post #7 of 12 Old 04-28-2019, 03:19 AM
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I was waiting on a 4" coupling to come in and just so I could use my dust collector I used a 2 liter soda bottle. Cut off top and bottom of the bottle then cut the leftover tube lengthwise so you basically have a sheet of see thru plastic. Wrap it around the pipe/fittings and secure with hose clamps. Worked so good I never removed it and it has the added benefit of being see thru.

Mike
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post #8 of 12 Old 04-28-2019, 12:03 PM
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Quote:
Originally Posted by Mikhail2400 View Post
I was waiting on a 4" coupling to come in and just so I could use my dust collector I used a 2 liter soda bottle. Cut off top and bottom of the bottle then cut the leftover tube lengthwise so you basically have a sheet of see thru plastic. Wrap it around the pipe/fittings and secure with hose clamps. Worked so good I never removed it and it has the added benefit of being see thru.
There is always a solution if we look for it.

Sometimes we get a way to anal about these things and look for products, not solutions. The only thing I ever worry about in a connection is either having a tight butt joint or having the adapter taper in to the direction of flow to prevent obstructions. Duct tape can solve most problems with a little ingenuity, if you have ever had to remove a temporary duct taped joint to replace it with a proper fitting this will soon become apparent.

“Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.”
― Marcus Aurelius
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Last edited by FrankC; 04-28-2019 at 12:06 PM.
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post #9 of 12 Old 04-28-2019, 12:11 PM
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You might want to look at "hub-less couplings" in the Plumbing section. They come in many sizes and shapes, even transitions and elbows. They are made from Neoprene rubber with car radiator hose type clamps on each end. They are flexible enough to stretch or shrink about 1/4" to fit almost any requirement, and the band clamps will allow a good tight seal. My Dust Deputy connects to my vacuum pipes using these.

Charley

https://www.woodworkingtalk.com/atta...1&d=1556276354

Last edited by CharleyL; 04-28-2019 at 12:14 PM.
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post #10 of 12 Old 04-28-2019, 12:14 PM Thread Starter
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Quote:
Originally Posted by CharleyL View Post
You might want to look at "hub-less couplings" in the Plumbing section. They come in many sizes and shapes, even transitions and elbows. They are made from Neoprene rubber with car radiator hose type clamps on each end. They are flexible enough to stretch or shrink about 1/4" to fit almost any requirement, and the band clamps will allow a good tight seal. My Dust Deputy connects to my vacuum pipes using these.



Charley


Yes I was looking at those to but seems like 2.5” is not a common size for plumbing. It goes from 2” and 3” nothing in between


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post #11 of 12 Old 04-28-2019, 12:50 PM
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I use these on a lot of my Dc items... you can cramp them down pretty tight, just check the inside diameter. probably go with the larger one. If the gap is too large still, throw some duct tape around the female portion.
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post #12 of 12 Old 05-11-2019, 03:19 PM Thread Starter
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I finally found the fittings for my setup.

Dust Right 2-1/2 in Rubber Union... https://www.amazon.com/dp/B006TWQDG8...p_mob_ap_share

2-1/2 in to 2-1/4 in Conversion Port https://www.amazon.com/dp/B006JLIR9U..._ZaY1CbJHXJAV5


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