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twistedty
Forcefully Retired



Registered: 07/01/12
Posts: 5,487
Loc: Middle
Last seen: 3 years, 6 months
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Quote:
Fungal growth said:
i DO need the money.
come at me
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STIKAROUND
Rio



Registered: 06/30/10
Posts: 129
Loc: Mid-West
Last seen: 10 years, 10 months
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Re: BLower for FP 24x12x5.9 HEPA? [Re: KnotHardly]
#17137527 - 10/31/12 03:41 PM (11 years, 3 months ago) |
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I did but could not find what the the cfm for 1" static pressure on any of the blowers.
Here are the three I think will work but would like a 2nd opinion
http://www.grainger.com/Grainger/content/html/mktgContent.html?pdf=1TDT3
http://www.grainger.com/Grainger/content/html/mktgContent.html?pdf=1TDT2
http://www.grainger.com/Grainger/content/html/mktgContent.html?pdf=1TDU1
I also checked out the 1TDT7 no info for 1" sp
Is there a way to discern the next cfm given the numbers from the the cfms of .1" -.8" sp?
-------------------- The s GAIA
Edited by STIKAROUND (10/31/12 03:52 PM)
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Fungal growth
Lootinint



Registered: 03/21/10
Posts: 3,641
Loc: under a rock in your yard
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Re: BLower for FP 24x12x5.9 HEPA? [Re: STIKAROUND]
#17140815 - 11/01/12 07:24 AM (11 years, 3 months ago) |
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fyi those links don't work for me, i copied and pasted. don't often do that. your welcome. but the first and the second, either one, will work. the only difference i see is the amps; 1 is 0.98 and the other 2.something. i don't know if it makes a difference, but the fact that i slapped the first blower i found that was big enough on it and it works fine tells me it doesn't. lol! i had the exact ? about static pressure. for RR sed there's not difference afa flowhoods are concerned, treat anything between 0.8 and 1.2 as the same sp. if i understand correnctly, its the backpressure the plenum puts on the motor, which you will be adjusting anyway by adding a prefilter, so some leeway is ok.
found this: RR sed;
Quote:
I'd disregard the difference between .8 and 1.2 inches of water column.
If you've found a blower that will deliver 400 cfm @ .8" it will work for an 18" X 24" filter. What you want is around 100 lineal feet per minute leaving the face of the flowhood. This means for a 1 square foot filter(12 X 12), you'd want a 100 cfm blower at .8" to 1.2" of static pressure in a perfect world. However, inside the plenum behind a flowhood is not a perfect world, so add about 20% to your calculations to account for friction, turns, blower efficiency, etc.
Edited by Fungal growth (11/01/12 07:26 AM)
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RogerRabbit
Bans for Pleasure



Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 11 months, 21 days
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Quote:
I did but could not find what the the cfm for 1" static pressure on any of the blowers.
Use the .8" W.G. figure. RR
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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KnotHardly
Stranger


Registered: 06/24/09
Posts: 35
Loc: Wouldn't You Like To Know
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http://www.grainger.com/Grainger/static/tf_m_daytonblowers.html
scroll down and the list of blowers is in the second column, the spec sheets are linked in the right hand column, the static pressure will be listed on the graph on the left and the cfm output will be listed on the bottom.
-------------------- "I collect mold, spores, and fungus." ~E. Spengler
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