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Forum topic by charlie48 posted 09-21-2009 06:40 PM 878 views 0 times favorited 8 replies Add to Favorites Watch
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charlie48

248 posts in 2632 days


09-21-2009 06:40 PM

Hi all,
As you can tell I am new to all of this and to computers, and fairly new to woodworking, the tools in my shop have for the most part been used for remodeling our retirement home and a few small projects,thats about to change.I have a 24×28 garage three season shop.I’m trying to work on the forth season yet this year,but winters in Wisconsin might have other plans. I purchased a 1995 Grizzly D.C. five years ago and its time to think about how it’s going to fit. It’s a 220v,2hp,3600 rpm, 12”inpeller,5” inlet, don’t know cfm?
question,
Can I use 6”pvc for the main trunk with 4” drops ? I plan on using a U shaped configuration with about 27’ of 6” on each side of the collector with (4) 4” -5 drops w/gates on each side.
I’ll to send pics next if I can figure out how,if I can’t my son can.
Thanks
Charlie

-- Charlie............Only time will tell if it was time well spent.


8 replies so far

View PurpLev's profile

PurpLev

8523 posts in 3111 days


#1 posted 09-21-2009 06:51 PM

it really does depend on the CFM and pressure the DC can produce. 6”-8” might be more fitting for higher power Cyclones, although your 2HP may be able to handle it. however – I think a 5” PVC pipe (or metal for better performance -less resistance) would be a better choice, with 4”/5” drops. it’ll give you a better CFM than the 6” piping will, and will connect directly to your DC with no need for reducer.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View Bob #2's profile

Bob #2

3809 posts in 3484 days


#2 posted 09-21-2009 07:19 PM

I would consider branching each side of your “U” into a separate zone with a gate.
27 feet is a pretty long pull to keep particles airborne.
You motor will run cooler with 6” pipe than with smaller sizes. ( Static pressure)
I ran mine with 6” spirolok metal pipe and 4” drops.

Bob

http://lumberjocks.com/boboswin/blog/6465

-- A mind, like a home, is furnished by its owner

View charlie48's profile

charlie48

248 posts in 2632 days


#3 posted 09-22-2009 12:31 PM

Thanks for the comments. I’ll need to figure out the CFM,and zoning is a great idea.
Thanks again.

Charlie

-- Charlie............Only time will tell if it was time well spent.

View 1978's profile

1978

167 posts in 3071 days


#4 posted 09-22-2009 12:35 PM

If you use PVC piping be should to ground.

View SKFrog16's profile

SKFrog16

661 posts in 2662 days


#5 posted 09-28-2009 04:42 PM

You should avoid PVC as it causes turbulence inside the tubing that robs efficiency, 4” round metal ducting is probably the best, in my opinion. Avoid 90 degree turns use 45 degree wyes at your take off points. 4” flex tubing to your blast gates and 4” flex tubing to your devices. I am also using the cyclone garbage can and top for big chunk collection. Helps save down time on bag cleaning. Easier to empty the can than the bag.

-- Methods are many,Principles are few.Methods change often,Principles never do.

View John Gray's profile

John Gray

2370 posts in 3348 days


#6 posted 09-28-2009 05:04 PM

You might try Google for CFM information. Enter Grizzly (dust collector) and the model number. I’d do it for ya’ if I had the model number.

-- Only the Shadow knows....................

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charlie48

248 posts in 2632 days


#7 posted 09-28-2009 11:59 PM

Thanks UnionLabel I’m still resesrching the PVC/metal issue I appreciate your input. I will be putting in some kind of garbage can collection in.

Charlie

-- Charlie............Only time will tell if it was time well spent.

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charlie48

248 posts in 2632 days


#8 posted 09-29-2009 12:10 AM

Thanks John,I e-mailed Grizzly and the reply was around 1400 CFM I appreciate the offer. I will keep you all posted with future updates.
Charlie

-- Charlie............Only time will tell if it was time well spent.

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