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Re: Dust collection planning for new shop layout #dustcollection

 

Tom here's what on the website. The biggest problem is getting the CFM out of Felders crappy dust collection at saw source but that's?another over discussed problem. One other word of warning, get the autoclean option or you could run into all the bullshit I went through with this glorified vacuum?cleaner.

FELDER? Quality and precision from AUSTRIA
RL 160,?Clean air suction unit, H3
?
Business and industrial woodwrokers can benefit from certified FELDER-Clean-Air Dust Extractors in various price and performance categories. Mobile and space-saving, the RL 125, RL 140, RL 160 and RL 200 models offer flexibility and highest performance within the smallest of spaces. All models filter the air so that the dust remaining in the air is under 0.1 mg/m?. This means that all three extractors comply with ¡°Category H3¡±. Unlike conventional dust extractor units, Felder positions the fan on the clean-air side. This means that there is negative pressure throughout the entire extraction system and no dust can escape.

¡ñ?Certified
¡ñ?Max. Airflow 1883 CFM (3200 m?/h)
¡ñ?Nominal air flow rate 20 m/sec. 1450 CFM
¡ñVacuum 2200 Pa
¡ñ?Mobile
¡ñ?Inlet size ? 160 mm (6?¡±)
¡ñ?Bag volume 106 gal.
¡ñMotor power 4.0 HP (3.0 kW)?

I can confirm the 1450 cfm being close, we tested after about 10' of straight pipe and got 1400 cfm.


On Sat, Jul 18, 2020 at 7:46 PM <tom@...> wrote:
Thank you for all of the responses guys, this is very helpful.?

John, I am getting 850 cfm from the Felder catalog, but it's important to note that it's at 8.8" of static water lift. Looking at the flow graphs on the Oneida website, it's somewhat comparable to their mid-range cyclones. I suspect that at lower static pressures it will easily exceed 1000 cfm, as your testing shows.?

David, thank you for the pics, great food for thought.?

Jason, thanks for the input on the circuits. To some extent I'm a little limited by what I can run from the house (Shop is on a sub-panel), but yes I think I should reasonably be able to get another 240V circuit or two going for the machines. Yeah, I'm not necessarily sold on the RL units, it just seemed like a good starting place. Actually, I started with the RL 140 due to small footprint, then grew to the 160. Anyways, I'll include the Oneida 5hp Dust Gorilla Pro and High Pressure setups in my consideration as well. I have the Dust Gorilla Mini and the Dust Cobra in my shop and have been very pleased with both.?

I'll look at moving the J/P. The bright side is, when I ordered it Felder included the mobility kit for free, and it only takes a moment or two to move it out into the work aisle.?

I'm sure that my work flows will change over time, so I'm doing what I can to try to make the Shop as modular as possible so it can change and adapt as my business grows/changes. I know it's expensive, but I'm inclined to go with the NordFab quick fit system because it seems like it would be quick/easy to reconfigure if needed. I may add another outlet on the dedicated dust collector circuit in the corner behind the service door, in the event I may someday decide that's a better place. Nothing set in stone yet.?

--
Tom Gensmer
Heritage Home Renewals, LLC
Minneapolis, MN



--
John Kee
JMK Services
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