Dust Collection #6: Another saturday, working more on 6" blast gates..almost there

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Blog entry by Holbs posted 04-10-2016 02:41 AM 1462 reads 0 times favorited 3 comments Add to Favorites Watch
« Part 5: 6" DIY Blast Gates Version 2 Part 6 of Dust Collection series Part 7: Building overhead blast gates »

12 6” blast gates. Things nut & bolted together, tighten to make slider snug yet loose. Added detent with ball bearing and spring for open & close. Added spring latch for dust/chipping escape when slider is closed. Next, covering detent spring, re-adjusting entire 6” HVAC to add in these blast gates through the main line and at the ends.

-- The Carpenter Bee is derived from the Ancient Greek word wood-cutter

3 comments so far

View MadMark's profile


979 posts in 1449 days

#1 posted 04-10-2016 03:06 AM

6” ID or OD? The walls look 1/4” thick & 6” ID means your hose/duct is 6-1/2”? Or is the pipe 5-1/2” ID?


-- Madmark -

View Redoak49's profile


3242 posts in 1985 days

#2 posted 04-10-2016 11:22 AM

It looks like SDR35 pipe which has a spec of 6.275” OD average and wall thickness of 0.180”. So I guess ID is about 5.915”
This is what I am using for dust collection.

The gates are looking good.

View Holbs's profile


1864 posts in 2025 days

#3 posted 04-10-2016 03:29 PM

Yes. Sewer & Drain PVC 6” pipe. The inside & outside diameter makes no difference as I plan to use a heat gun upon the PVC to mold it onto my 6” HVAC ducting

-- The Carpenter Bee is derived from the Ancient Greek word wood-cutter

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