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Amazon Shop: HEPA Filter, Laminar Flow Hood

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OfflineFlashman
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Registered: 01/05/05
Posts: 38
Loc: Location, Loction
Last seen: 12 years, 3 months
Sebo Vacuum Cleaner - Hepa Filtraton
    #3602918 - 01/09/05 12:03 PM (12 years, 5 months ago)

I have the spare parts box for a 'Sebo automatic X' vacuum cleaner.
These models have Hepa filtration, the filter is stamped with:

"Sebo S-Class Filtration. Anti Allergy, Hospital Grade >99.9%"


Apparently the system uses the dust bags as filter No 1, the Microfilter then an exhaust filter.

Info about dustbag filtration:
"The SEBO multi-layer bags effectively retain bacteria, allergens and other potentially harmful substances. The bags can be sealed for hygenic disposal."

From http://www.sebo.co.uk/store/erol.html

Also the flow rate (at the motor) is 89 CFM.

The PDF says about the filtration :
"The 3-step filtration
system:
"First, the three-layer full-size filter
bag (a) collects the vast majority of
the debris.
Then, any remaining particles are
collected by the hospital-grade
micro-hygiene filter (b).
Finally, the micro-exhaust filter (c)
cleans the exhaust air that the
vacuum emits.
The S-class filtration system* as
described above, results in 99.9%
effectiveness to 0.3 microns making
the SEBO automatic X-Series
vacuums the perfect choice for
customers who suffer from allergies
and asthma.

Now, could this be used as the basis of a flow hood?

Is 99.9% effective to 0.3 Microns adequate? Will an 89CFM fan deliver
enough aif-flow after going through 3 filters?


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Invisibleagar
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Re: Sebo Vacuum Cleaner - Hepa Filtraton [Re: Flashman]
    #3602997 - 01/09/05 12:27 PM (12 years, 5 months ago)

You would prefer 99.97 effective rate.

You thinking of using the parts, fan & filters from this VC to build a flowhood? If so.... it would seem the working area would nbe VERY SMALL. Those VC suck air through a fairly small diameter area (tube)at a high velocity (to create strong SUCTION).

Used in reverse, the escape velocity of the air would be high, in a small area. You want the static pressure to bend a candle flame at a 90 degree angle. Not snuff it out.

OFF =

ON =  :thumbup:


--------------------


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OfflineFlashman
Sir

Registered: 01/05/05
Posts: 38
Loc: Location, Loction
Last seen: 12 years, 3 months
Re: Sebo Vacuum Cleaner - Hepa Filtraton [Re: agar]
    #3603030 - 01/09/05 12:36 PM (12 years, 5 months ago)

I only have the bags, medical filters and exhaust filters. I would have to supply my own fan. I only need a small sterile area.

Some sources say S-Class is 99.9, other say 99.97%

Should I keep looking for something else, or is 99.9, 0.3 microns good?


--------------------
Woof Woof


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Invisibleagar
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Re: Sebo Vacuum Cleaner - Hepa Filtraton [Re: Flashman]
    #3603058 - 01/09/05 12:48 PM (12 years, 5 months ago)


The better the FILTER, the better the results, just as the pictures show. If you can find a small square style 99.97 hepa filter that is easy to rig to a squirrel cage fan, I believe you would be better off, rather than trust conflicting info on VC filters.

Great Squirrel cage fans can often be had for FREE, taken out of dead or obsolete funaces, about to go in the trash - at furnace repair places.


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Amazon Shop: HEPA Filter, Laminar Flow Hood

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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