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Forum topic by Kevin posted 02-11-2012 10:58 PM 1973 views 0 times favorited 7 replies Add to Favorites Watch
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Kevin

445 posts in 1861 days


02-11-2012 10:58 PM

Topic tags/keywords: duct work dust collection dust collectors woodshop workshop

What do you guys use to connect the 4” flexible hose to 4” pvc pipe? Obviously I want the smoothest curves and transitions possible when designing the duct work.

I attached a visio drawing, the red shows the current layout for ductwork. If that’s not appropriate someone please advise. I want it done right :)

I’m thinking of going from the dust collector with the 4” pipe up the wall then with a 90 degree long elbow going to the left along side the ceiling wall for 4-6 feet connecting to a wye. From that point it goes down to a planer and across the ceiling to the table saw and jointer. All machines have a 4” opening that the hose will connect to. I plan to run a short 4” hose from the pvc to the machine at each location.

Does this sound like the proper way to run the ductwork to the machines and if so what about the fittings because I know the 4” pvc isn’t going to connect with the 4” hose.

What’s your thoughts?

Thanks,

Kevin

-- Williamsburg, KY


7 replies so far

View Loren's profile

Loren

7561 posts in 2303 days


#1 posted 02-12-2012 03:25 AM

You’ll be fine with your ducting plan running one machine at a time.

Flexible hose fits over the end of a plastic blast gate. You can
also stick it into one end of a PVC sleeve joint used to joint two
lengths of 4” PVC.

-- http://lawoodworking.com

View Kevin's profile

Kevin

445 posts in 1861 days


#2 posted 02-12-2012 04:15 AM

Thanks Loren,

That’s what I plan to do is only run 1 machine at a time. It’s just in the shop so that’s good to hear. On another note, put the blast gates closer to each machine or closer to the wye’s?

Thanks

-- Williamsburg, KY

View ducky911's profile

ducky911

223 posts in 1445 days


#3 posted 02-13-2012 12:16 AM

I have flex hose that with some work,...tug and twist i can put on a metal air gate . The other side fits nice in the 4” pvc sewer pipe. So if you pipe down with your solid pipe to a hieght that you want you gate than you can do like i have. I like the clear 4” pipe much beter than the black stuff

Two 45s would be better on your main run vs a 90

View MedicKen's profile

MedicKen

1599 posts in 2118 days


#4 posted 02-13-2012 04:06 AM

If you are using PVC for the main runs make sure you ground the system. If not you may run the risk of a static discharge and a fire.

-- My job is to give my kids things to discuss with their therapist....medic20447@gmail.com

View Kevin's profile

Kevin

445 posts in 1861 days


#5 posted 02-14-2012 05:31 AM

Thanks guys.

I think i’ve got it planned out now with the help from all of you. I do plan to ground the system just to be safe. I have seen where people run a copper wire around the pvc in on the outside and inside and connect it to a screw. Whats your thoughts on this?

Kevin

-- Williamsburg, KY

View pintodeluxe's profile

pintodeluxe

3363 posts in 1469 days


#6 posted 02-14-2012 06:59 AM

There is a stock connector at Home Depot that slips right in.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View SASmith               's profile

SASmith

1590 posts in 1643 days


#7 posted 02-14-2012 06:02 PM

Here is what I use for flexible hose. It fits perfectly over 4” S&D. Not sure how well it fits blast gates though.
I make my own blast gate using 4” S&D for the inlet and outlet.

-- Scott Smith, Southern Illinois

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