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DEMCiflex filters question - Page 2

post #11 of 40
Thread Starter 
Quote:
Originally Posted by Wr3ckin_Cr3w;15380624 
I have a single 120mm and 3 120mm DEMCiflex filters for my radiator inside my 800D. They certainly are dense and catch a lot of dust so airflow will be somewhat constricted. Likes others have said, comes down to trial and error. I'd rather now have dust flowing in my computer and my temps are fine so I stuck with them.

Of course ur right, but in this case its a 30$ trial and error..

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post #12 of 40
Quote:
Originally Posted by templar;15380891 
I could, but not sure they'll completely cover the mesh panel and not just the fan areas, that's important if i'm gunning for positive pressure.
I'll have to do some measurements for that, will post back when i do..

By crafting ur own u mean the pantyhose variety, or actual crafting?

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I really mean crafting. Get a plastic square and mosquito net or something that can be used, cut, drill holes...

I think it's not important if they don't cover the mesh... Even if some air would go outside by the sides of the front intake, the system will still be positive pressure.
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post #13 of 40
Quote:
Originally Posted by templar;15380891 
I could, but not sure they'll completely cover the mesh panel and not just the fan areas, that's important if i'm gunning for positive pressure.
I'll have to do some measurements for that, will post back when i do..

By crafting ur own u mean the pantyhose variety, or actual crafting?

Sent from my GT-I9100T using Tapatalk

well..... that all depends on how "pretty" you want your rig to look:) personally i'm more of a functional type of guy. so i just bust open a roll of duct tape and ... tongue.gif but, if you want it to look GOOD, that involves making your own plastic window:)
post #14 of 40
I can tell you right now those GT AP-15s will have no issues pulling through the demciflex filter. I have 3 AP-15s on top of my rig pulling through a 3x120 demciflex filter. it all goes back to the static pressure thing. if you have high cfm low static pressure fans of course they are going to bog when you put a filter over them. i think of it like this CFM is like horsepower and static pressure is like torque.

I have been thinking about getting 3 ModRight FilterRight Square filters to test against it. I might do that next time I get paid.
Edited by willistech - 10/21/11 at 12:28pm
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post #15 of 40
Thread Starter 
Quote:
Originally Posted by willistech;15397079 
I can tell you right now those GT AP-15s will have no issues pulling through the demciflex filter. I have 3 AP-15s on top of my rig pulling through a 3x120 demciflex filter. it all goes back to the static pressure thing. if you have high cfm low static pressure fans of course they are going to bog when you put a filter over them. i think of it like this CFM is like horsepower and static pressure is like torque.

I have been thinking about getting 3 ModRight FilterRight Square filters to test against it. I might do that next time I get paid.

well the fans i ordered are Enermax T.B.Silence (4 for the sidepanel)with 72 airflow and 0.83 static pressure, while the gt-15s are 98 cfm but same static pressure. so not sure how that would work on them
post #16 of 40
Thread Starter 
ended up ordering the Demciflex filter. for 25$ incl. shipping i feel it's worth the risk - if it ends up giving enough airflow, it will be the best solution since aesthetically there's nothing quite like it..

will post back when i get it with results biggrin.gif
post #17 of 40
Got the filters myself, but don't have the case ready yet to test with my fans. With a little luck I might be able to do a quick test this weekend, just with the case fans and PSU installed. The mesh does seem tight, so it sounds about right that performance is largely up to the static pressure of the fan. I very much doubt DEMCiflex's claims of 15% airflow loss holds true for all fans. The Noiseblocker fans I chose have pretty good static pressure stats, so should be fine, but I should have researched the static pressure on my CM Megaflow 200 before I decided on it. Now's a good time to do it I suppose. tongue.gif
post #18 of 40
Quote:
Originally Posted by Celoth;15476695 
Got the filters myself, but don't have the case ready yet to test with my fans. With a little luck I might be able to do a quick test this weekend, just with the case fans and PSU installed. The mesh does seem tight, so it sounds about right that performance is largely up to the static pressure of the fan. I very much doubt DEMCiflex's claims of 15% airflow loss holds true for all fans. The Noiseblocker fans I chose have pretty good static pressure stats, so should be fine, but I should have researched the static pressure on my CM Megaflow 200 before I decided on it. Now's a good time to do it I suppose. tongue.gif
I tried with an AP-14 and it was like having no fan at all. Perhaps my San Ace at full speed is the best fan for that filter.
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post #19 of 40
Just found out the Megaflow 200 has horrible static pressure as well. frown.gif Might have to look for a different 200mm fan, but will try the Corsair fan first. Can't find the static pressure info on it, but I doubt it's lower than the Megaflow.

The BitFenix Spectre 200 fans have really nice pressure, but of course at a reduced CFM. With these filters they may well end up with the highest CFM total though.
post #20 of 40
I rigged up a test in the case anyway, and yeah... on both the megaflow and the Corsair 200mm front fan the airflow is killed by roughly half. frown.gif It's not even remotely close to the advertised 15%. Hell I'd have settled for 25%, but half? No way. I've sent them an email to see what can be done.
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