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All Replies on Upgrading from 2.5 to 4" dust collection system

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View Redvan's profile

Upgrading from 2.5 to 4" dust collection system

by Redvan
posted 10-29-2018 05:51 PM


8 replies so far

View mathguy1981's profile

mathguy1981

93 posts in 266 days


#1 posted 10-29-2018 06:46 PM

Mike, I am setting up my Harbor Freight DC with 4” DWS pipe from the Home Depot. It’s thin walled (NOT schedule 40) PVC that’s Drain, Water, Sewer piping. Each 10 foot section is about $10. I got all my elbows, wyes, etc from there two. For blast gates, I splurged and got the aluminum self-cleaning from Lee Valley tools. I got the clamps to hang the pipe from them too.

-- Two thumbs and counting

View RobS888's profile

RobS888

2604 posts in 2207 days


#2 posted 10-29-2018 07:05 PM

I’ve found that I can pull a 4” flex hose onto the thin walled drain pipe and then just use a hose clamp.

I have lots and lots of Rockler connectors. 2 boxes in my shed.

-- I always suspected many gun nuts were afraid of something, just never thought popcorn was on the list.

View pottz's profile

pottz

5028 posts in 1346 days


#3 posted 10-29-2018 07:18 PM

same as mathguy,its cheap and easy to setup.i screw all the connections and tape the joints with hvac foil tape so no air leaks,i dont recommend using any glues because if your like most the setup will change in time and this makes disassembly easy.the blast gates i get from rockler but i may upgrade to the aluminum ones myself.

-- sawdust the bigger the pile the bigger my smile-larry,so cal.

View bmerrill's profile

bmerrill

49 posts in 435 days


#4 posted 10-29-2018 08:43 PM

Anyone grounding the PVC pipe with wire inside or outside the pipe? If so could a strip of aluminum duct tape be used instead of wire on the outside of the pipe?

-- "Do. Or do not. There is no try". Yoda

View pottz's profile

pottz

5028 posts in 1346 days


#5 posted 10-29-2018 10:53 PM



Anyone grounding the PVC pipe with wire inside or outside the pipe? If so could a strip of aluminum duct tape be used instead of wire on the outside of the pipe?

- bmerrill


i did in the beginning because i was told static electricity would be a problem but stopped doing it totally and have had no issues.if you do dont run the wire inside or you could end up with clogs if long curls of wood catch and build up.i never thought about that happening and had to take a section apart,which is why i just never added a ground wire again.ive read some getting static shocks,but i havn’t had any problem.

-- sawdust the bigger the pile the bigger my smile-larry,so cal.

View mathguy1981's profile

mathguy1981

93 posts in 266 days


#6 posted 10-30-2018 08:07 PM

No wire, a waste and an extremely remote chance of anything drastic happening.

-- Two thumbs and counting

View Redvan's profile

Redvan

13 posts in 407 days


#7 posted 10-31-2018 05:30 PM

Thanks everyone,
Home Depot, here I come….

Mike.

View Redvan's profile

Redvan

13 posts in 407 days


#8 posted 11-03-2018 01:34 PM

New development:
Upon review of 4” fittings at Rockler, i saw that they offer a connector for thin walled PVC pipe.
So, if I plan to use 6 blast gates and 4 other fittings, would i need 20 of these PVC fittings, one for each side of each fitting?

Also,;
“mathguy1981” mentioned that he also got his fittings for the twpvc at Home Depot. Do the Rockler fittings mate with standard PVC fittings?
“RobS888” noted that he can pull 4” hose onto the twpvc. Is the twpvc used as a main run and then hose from there to blast gates and then to equipment?

Please give me a very clear picture of how this all goes together.
I really do not want to hear the critic (wife) harping on how I got it all wrong and wasted time, effort and money.

Mike.

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