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Shop: Bridgetown Botanicals Bridgetown Botanicals   Unfolding Nature Unfolding Nature: Being in the Implicate Order

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OfflineSurf707
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Registered: 01/15/20
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Flow hood question
    #26446200 - 01/22/20 11:47 AM (4 years, 7 days ago)

Hey, guys. I’m debating ordering a filter and blower from FP, the links will be below. I’m having a little confusion with the calculations though. So I’m going with a 24 x 18 x 5.8 filter along with their recommended blower, the Universal Blower - 1,040 CFM @ .8 inch SP. Now if I add a prefilter, presumably for a .2 wg, how does this effect the blowers efficiency. Mainly my question is how do I determine if this will give me 100 FPM. From everything I’ve read I see people using around 500cfm blowers etc. is the one they recommend overkill? Thanks for any help guys!

https://fungi.com/products/24-x-18-x-5-8-micron-filter

https://fungi.com/products/universal-blower-1040-cfm-8-sp


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OfflineSurf707
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Last seen: 10 months, 27 days
Re: Flow hood question [Re: Surf707]
    #26446357 - 01/22/20 01:01 PM (4 years, 7 days ago)

Actually just received a response from FP. With that blower I’m looking at this equation the rep from FP gave me:


Example: Series II Flow Hood: EAMF2418 + EAFB2
1040 CFM @ 0.8"SP / 3 sq ft = 346.6 feet per minute (ft/m) - this is the air speed off the face of the filter.

Wouldn’t this be too strong since the recommendation is 100-150 fpm?


Edited by Surf707 (01/22/20 01:04 PM)


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OfflineSFS96
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Re: Flow hood question [Re: Surf707]
    #26446402 - 01/22/20 01:30 PM (4 years, 7 days ago)

Don’t order your blower from FP.  Go to eBay or online and look up Dayton 1TDU2 . Its the exact same blower from FP that they way over charge on. You might be better off with the Dayton 1TDU1 thought the 1TDU2 is way overkill


--------------------
How I make and preserve tea


Consuming consumes a man That was never a purpose of life To only crave for material joys Is believing the lie - Mellow Mood


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OfflineSFS96
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Re: Flow hood question [Re: SFS96]
    #26446415 - 01/22/20 01:35 PM (4 years, 7 days ago)

If u do get the bigger blower you can always bog it down by covering the intake some to get it at the right speed


--------------------
How I make and preserve tea


Consuming consumes a man That was never a purpose of life To only crave for material joys Is believing the lie - Mellow Mood


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OfflineSFS96
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Re: Flow hood question [Re: SFS96]
    #26446441 - 01/22/20 01:54 PM (4 years, 7 days ago)

For a 18x24 Filter you want 300 CFM blowing at you ( = 100FPM).  Normally people add another 20% to this because your filter will get clogged over time slowing it down. So you want 360CFM coming out of your filter at a static pressure of 1.2 including prefilters.


--------------------
How I make and preserve tea


Consuming consumes a man That was never a purpose of life To only crave for material joys Is believing the lie - Mellow Mood


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OfflineSurf707
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Registered: 01/15/20
Posts: 113
Last seen: 10 months, 27 days
Re: Flow hood question [Re: SFS96]
    #26446469 - 01/22/20 02:15 PM (4 years, 7 days ago)

Really appreciate that sfs. Couldn’t find that exact model on eBay but some other sights had it for about $150 cheaper


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Shop: Bridgetown Botanicals Bridgetown Botanicals   Unfolding Nature Unfolding Nature: Being in the Implicate Order


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