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Dust collection #2: Dust collection pipe

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Blog entry by captferd posted 01-16-2012 01:24 PM 3466 reads 4 times favorited 10 comments Add to Favorites Watch
« Part 1: Dust Collecting System Part 2 of Dust collection series no next part

My old shop was small and I used 4” PVC. PVC is ok but it has its disadvantages. My concerns for using it in this project were its weight, and the static electricity that builds up in it especially around my sanders. On the other hand the furnace pipe has its disadvantages as well. I found that after installing it, the larger 6” pipe flexes a little when some of the blast gates are closed. The amount of vacuum that this machine creates is massive but I don’t believe it will completely collapse the pipe. It just bothers me to see that for some reason.

The most important part of installing duct work is to sweet talk your son into doing it for you. I used the I’m an old man approach. Lean forward with your hand on your back and moan and groan a little. works well. It also helps if he does it for a living. The material is cheaper and he will know what hes doing.
The next step of the installation requires a fishing pole and some wax worms. Crappies and walleyes need to be caught. Plan on spending the whole day working on this. In the evening your finished. You can sit back and admire those shiny pipes hangin from the ceiling.

All the pipe are suspended from the ceiling. We started with 5ft of 7” to get us up there then reduced it to 6”. All reductions in pipe size are a loss in vacuum. 7” was just too big for the height of the ceiling (10 ft). I needed to keep it above the lights. T’s were used instead of Y’s were the pipes slit off in different directions. This too is a reduction in air flow. Y’s just weren’t available. I mention this because for those who are looking to run pipe with a smaller Dust collector need to take these things in to consideration to get the maximum air flow possible. It would be well worth going the extra mile to find Y’s for your splits. And were the pipe turns down to their ends they are reduced to 4”. All the connections were sealed with a paste made for sealing duct work.

The common metal blast gates that most places carry fit perfectly in the 4” pipe. The dust collector provides enough vacuum to all the ports at the same time eliminating the need to open and close them. How lucky can a guy get.

Well, no more rolling a dust collector around the shop for me . just need to plug some hoses into my tools and get to work.

-- CaptFerd



10 comments so far

View Grant Davis's profile

Grant Davis

615 posts in 2545 days


#1 posted 01-16-2012 01:56 PM

CaptFerd,
That is a really nice looking set up you have there. You are going to make a few people envious for sure.

-- Grant...."GO BUCKEYES"

View StumpyNubs's profile

StumpyNubs

6176 posts in 1438 days


#2 posted 01-16-2012 04:33 PM

That’s a nice system! Thanks for posting!

-Jim; aka “Stumpy Nubs”
(The greatest woodworking show since the invention of wood is now online!)

-- It's the best woodworking show since the invention of wood... New episodes at: http://www.stumpynubs.com

View kizerpea's profile

kizerpea

746 posts in 1005 days


#3 posted 01-16-2012 08:17 PM

fine lookin new shinny pipe. looks good to me, what gauge is the pipe?

-- IF YOUR NOT MAKING DUST...YOU ARE COLLECTING IT! SOUTH CAROLINA.

View captferd's profile

captferd

130 posts in 1031 days


#4 posted 01-16-2012 10:52 PM

Its 30 guage

-- CaptFerd

View nobuckle's profile

nobuckle

1120 posts in 1398 days


#5 posted 01-17-2012 04:49 AM

That’s going to be a fine running system by the time you get it all done. I’ll be following along closely as I too will soon be upgrading my dust collection.

-- Doug - Make an effort to live by the slogan "We try harder"

View Grandpa's profile

Grandpa

3107 posts in 1313 days


#6 posted 01-17-2012 05:14 AM

This is a great looking job. Want to work on my son? LOL I will tell you that I have seen pipe sucked flat on a collection system when the gates were all close. Don’t know what gauge the pipe was though.

View Sarit's profile

Sarit

482 posts in 1777 days


#7 posted 01-18-2012 12:13 AM

That’s a very clean, professional installation, good work!

View buffalosean's profile

buffalosean

174 posts in 2024 days


#8 posted 01-23-2012 02:18 AM

the oneida website shows 30 gauge pipe that had been sucked right together, like you were talking about Grandpa

-- There are many ways to skin a cat...... but, the butter knife is not recommended

View Woodwrestler's profile

Woodwrestler

55 posts in 784 days


#9 posted 12-26-2012 01:41 PM

how has the 30 gauge main duct been holding up? Which Grizzly DC do you own?

-- What man is a man who does not make the world a better place?

View captferd's profile

captferd

130 posts in 1031 days


#10 posted 12-26-2012 09:43 PM

Well its close to a year since we installed it and its holding up just fine. Haven’t had any pipes collapse. One section that I was concerned about earlier would flex like it wanted to but it was a section of pipe that wasn’t round to begin with. I have noticed a dramatic reduction in the static electricity that my sanders use to create with the PVC that I used in the old shop. Especially with my drum sander, very little to no shocks at all. The dust collector to answer your other question is a Grizzly GO440 Cyclone type collector.

-- CaptFerd

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