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David Ragan
07-29-2017, 11:17 AM
Anybody cobbled together a gated wye for "Shop-vac" 1.25" ID, 1.5" OD corrugated hose?

Please note-I already been all over Google, Amazon, and Shop-Vac site, and I don't need something made for industrial pressures.

The deal is to enable my little vacuum under grinder bench to service all the grinders-wyes in the system w gates @ machines would be great.

I suppose I can cut and splice the hose or get pvc for the wyes.

What about the gates?

Thanks guys, D

glenn bradley
07-29-2017, 12:02 PM
I have a Rubbermaid bin full of old shop vac hoses and fittings somewhere out in the shed. After a couple of years of sub-optimal franken-hose attempts I changed my approach. I bought 2-1/2" hose which fits a wide array of off-the-shelf gates, wyes and so forth. The connection point solution being a fitting that converts from 2-1/2" to shop vac. This has freed me from all the odds and ends I used to cobble together.

To your specific requirement, my smaller bandsaw and DP vac is a good example. One of the Ridgid hose ends happened to fit the 2-1/2" hose so it remains as the connection point on this vac.

364921

A short piece of 2-1/2" hose hits a wye which goes to the DP

364920

and the BS.

364922

I gate at the tool for convenience; the vac is tucked into a bit of a hole that is troublesome to get to.

Marc Jeske
07-29-2017, 1:11 PM
This interests me also, so I'm gonna Google.

So, like you said, plumbing PVC DWV (Thinwall pvc)1 1/4 or 1 1/2 wye and other fittings, and duct tape, or better.

For gates, .. maybe this and adapt to size...

https://www.woodcraft.com/products/2-1-2-abs-blast-gate?gclid=CjwKCAjw5PDLBRB0EiwAh-27Mgn4CgsAjq6hAbm_Rfq_u5tEms4suzHVlo8k03hfpmstdv3w QR88vRoCZiQQAvD_BwE

Or... heres a neat idea - still need to adapt though..

http://www.leevalley.com/us/wood/page.aspx?p=51506&cat=1,42401,62597

Spendy but Look at this link CLOSELY for ideas...

http://www.ultimategarage.com/shop/part.php?products_id=400

Possibility..

https://builtinvacuum.com/parts/all/outlet-cover/basic/

How bout just a cheap plumbing pvc cap you remove off the wye.. and plug on hose, to all act as a "Gate" ? maybe, but inconvenient.

Look around here...

http://www.nosawdust.com/index.htm

Clone this w BB ply, correct size pvc pipe, and epoxy ?.....

https://www.grainger.com/product/1DYB8&AL!2966!3!166591268601!!!g!460970688472!?gclid=Cjw KCAjw5PDLBRB0EiwAh-27MtzOqvvp307JdcAVfheKDOesAiyLNkbS5Bo8IjVkEDFHd0mq covJXRoCQQkQAvD_BwE&cm_mmc=PPC:+Google+PLA?campaignid=719343286&s_kwcid=AL!2966!3!166591268601!!!!460970688472!&ef_id=WTejvAAAAFFo7iix:20170729154738:s

Getting closer now.. 1 1/2", but you would have to modify, OR mount w handle on underside,or wood dust will plug the bottom of slot....

http://www.usplastic.com/catalog/item.aspx?itemid=23307&catid=0&clickid=popcorn

Same w this...

https://www.amazon.com/Valterra-T1001VPM-Bladex-Waste-Handle/dp/B000BGM7LS

Heres another photo of a Valterra - I'm thinking if you remove the seals, and sand 1/4" or so from the bottom edge to expose the slot, it may work as a kinda self cleaner, but no guarantee.
If you leave the gaskets in, and it doesn't get lubed by liquid as in the use it's made for, it slides kinda tough after awhile.
Silicone spray fixes that, and is ok cause it's waste, and stays in the pipe.
Course you know about NOT getting silicone on projects, right ?
They use these most often as drains on RV waste tanks.
Also, if you go to Mfg site, they are available w various config's of connecting nipples..

http://images.dyersonline.com/catalog/product/cache/1/image/a1eed0813d52712d6e948f99c3696e26/v/a/valterra_1-1-2_waste_valve_with_plastic_handle-54620-6.jpg



That's all I found, I think a modded Valterra is your best bet.
Remember, you can get them w different hubs.

And they're like $12.

Let us know how you progress, I'm sure some others are interested as I am. Marc

David Ragan
07-31-2017, 3:04 PM
Thanks for that search, Marc.....You found way more than I was able to; still no gates that small

A woodworker on www showed his method of making a gate using PVC pipe and BB ply-already have all that.

Now, I'm considering making 4 Y fittings, just splicing the hose together to form a Y using a roll of plastic screening and epoxy (both of which I also already have). Such a technique is used in fiberglass casting all the time (instead of Plaster of Paris).

It a sure bet the finished cobbled together will be very ugly-but I will post picture (my main requirement is air-tight).

Thanks, David

Marc Jeske
08-04-2017, 12:42 PM
http://www.sawmillcreek.org/showthread.php?228002-My-DIY-self-cleaning-2-1-2-quot-blast-gate

David Ragan
08-05-2017, 12:57 PM
Now, that is very top-notch post; and a great idea. Better than my hillbilly approach.

Valterra stuff is available on Amazon.

Thanks Marc and Johnathan (for the original above).

george wilson
08-06-2017, 7:32 AM
DO NOT EVER use a vac with wood dust in it or in the hoses,for a grinder !!! A vac can catch fire and be like a jet engine in your shop. I ONLY use a dedicated large Delta shop vac with my Wilton belt grinder.

Are you aware that some home insurance companies will cancel your policy if they find out that you have a vacuum system? They are considered dangerous. Also,be sure that everything is GROUNDED. The hoses need a small copper wire run along the side of all hoses or exhaust piping,if it is rendered not grounded by use of plastic gates. Static is dangerous around fine wood dust,with a lot of oxygen running through it. I grounded EVERYTHING in my system.

David Ragan
08-14-2017, 1:37 PM
Thanks for that George
I have all the copper wire-just found this very point debatable so never grounded
Otherwise, yes, no hot metal goes into main system; have dedicated shop vac for that