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Inexpensive 7" DC fittings?

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Forum topic by bigblockyeti posted 10-02-2017 03:48 PM 330 views 0 times favorited 12 replies Add to Favorites Watch
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bigblockyeti

4544 posts in 1498 days


10-02-2017 03:48 PM

Topic tags/keywords: question

After a quick cursory search on LJ (and Google) I’ve yet to find any inexpensive vendors of 7” DC fittings and pipe except for this one: http://www.blastgateco.com. even Amazon has the same part number for the 7” elbow but at several times the price, it isn’t worth it. If nothing else materializes I will eventually make my way up there but the crating and shipping add a hefty sum to what I was hoping to find locally, any other ideas in sheet metal?


12 replies so far

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Carl10

59 posts in 234 days


#1 posted 10-02-2017 04:13 PM

Not sure if you have checked out KenCraft https://www.kencraftcompany.com/product-category/dust-collector-fittings/ but they have nice heavy duty DC fittings for very good prices ($29 for 24 gauge 6” Y). They are also very nice to deal with on the phone.

Hope that helps. Let us know what you do.

Carl

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AZWoody

1090 posts in 1002 days


#2 posted 10-02-2017 04:52 PM

There is a large increase going from 4” to 6” and then even larger increases on the larger sizes.

I believe Grizzly has some of the other sizes in metal fittings but for blast gates, it might be best to make your own for the sizes you need.

I know ClearVue makes a 6” one that I use as well as transitions that let you go from 6” to double 4” as well.

View Hermit's profile

Hermit

132 posts in 1103 days


#3 posted 10-02-2017 08:35 PM

I would check at a/c wholesalers in your area. Here, most will sell to the public. I bought all my metal duct and fittings at one of these places and was a lot cheaper then anywhere else I could find. They may not have 7 inch in Stock but they can get it probably pretty quick.

-- I'm like the farmer's duck. If it don't rain, I'll walk.

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bigblockyeti

4544 posts in 1498 days


#4 posted 10-02-2017 08:54 PM

I’ve done a bit if digging (used to be an HVAC tinner) and I can still buy at a couple wholesalers but finding large radius 90° elbows is proving the most problematic. I also want at least 26ga spiral pipe and most suppliers only carry 30ga and want a hefty minimum order for anything heavier. I did find 7” nordfab steel flex hose reasonably priced on Amazon and if it’s 5’ long, that would make 2 elbows I need.

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AandCstyle

2855 posts in 2035 days


#5 posted 10-02-2017 09:53 PM

Hey, Big, I don’t know if this will help you or not, but I never use large radius elbows. I do use 2 45 degree elbows with a short connector between them. However, I use PVC where there aren’t any large radius elbows to be had, the economics might not work out with metal fittings.

-- Art

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Hermit

132 posts in 1103 days


#6 posted 10-02-2017 10:00 PM

I also used 2-45’s because they couldn’t get the 90’s in 26 ga

-- I'm like the farmer's duck. If it don't rain, I'll walk.

View shipwright's profile

shipwright

7707 posts in 2576 days


#7 posted 10-02-2017 11:24 PM

This might interest you. I saved a ton of money doing this.
http://lumberjocks.com/shipwright/blog/31966

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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bigblockyeti

4544 posts in 1498 days


#8 posted 10-03-2017 12:28 AM

Thanks Paul, I actually have that as one of my favorites. I am planning on running either 4” or 5” PVC after the first 7” run which will consist of two 7” elbow and between 8’ & 10’ of spiral pipe and a wye into the side of the pipe which I will fabricate. Beyond that initial run, everything will look very similar to what you’ve done.

View shipwright's profile

shipwright

7707 posts in 2576 days


#9 posted 10-03-2017 04:04 AM

You’re welcome. Glad I could help.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

View Sparks500's profile

Sparks500

70 posts in 108 days


#10 posted 10-03-2017 11:44 AM

I learned this from the Pentz web site. They were actually pretty easy, pvc primer and cement covered with urethane caulk.

-- Rockhound: You realize we're sitting on 45,000 pounds of fuel, one nuclear warhead and a thing that has 270,000 moving parts built by the lowest bidder? Makes you feel good doesn't it?

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Sparks500

70 posts in 108 days


#11 posted 10-03-2017 12:06 PM

I used a pipe fitters cutting gauge to make the segments. a belt sander helps too.

-- Rockhound: You realize we're sitting on 45,000 pounds of fuel, one nuclear warhead and a thing that has 270,000 moving parts built by the lowest bidder? Makes you feel good doesn't it?

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bigblockyeti

4544 posts in 1498 days


#12 posted 10-03-2017 01:11 PM

Thanks Sparks, I may try that method, just need to see what sizes I can get a deal on CPVC.

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