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-   -   Best AC pump? (http://forums.procooling.com/vbb/showthread.php?t=10327)

JamesAvery22 10-06-2004 01:47 PM
Quote:
Originally Posted by satanicoo
No one here talked about the Eheim 1250, i consider it a valuable silent pump, althought rather expensive.
I would guess the negative pressure would be equal trought all the first tubing on the inlet? (Assuming the pressure drop on the tubing is ignorable?)

Eh, same price at petsmart, physically bigger, and less head. Id consider it if it was substantially quieter.

satanicoo 10-06-2004 01:52 PM
I have never tried a mag 3, so i dont know about quietness.
But Eheim is know for being a quality pump, quite an important feature in PC cooling.

Dunno. I'll wait for replies.

JamesAvery22 10-06-2004 01:53 PM
Quote:
Originally Posted by satanicoo
I have never tried a mag 3, so i dont know about quietness.
But Eheim is know for being a quality pump, quite an important feature in PC cooling.

Dunno. I'll wait for replies.
edit, nm its not the same price, I was looking at the 1046 =( its $71.99 compared to 44.99

satanicoo 10-06-2004 02:01 PM
AAH ok :) .
I always hearded well about the L30 also, cheap and powerfull, but against a mag 3? Dont know.

JamesAvery22 10-06-2004 02:04 PM
Quote:
Originally Posted by satanicoo
AAH ok :) .
I always hearded well about the L30 also, cheap and powerfull, but against a mag 3? Dont know.
L30 has almost the same head as the Mag2 (6.5 - 6ft). the Mag3 has 10 :D Think I'll just get the Mag3 and reseal the o-ring and hope it lasts as long as some other's have.

SysCrusher 10-06-2004 03:55 PM
It's the exact opposite of the outlet.

Quote:
Originally Posted by JamesAvery22
Since you said the first half has positive pressure and the second half has negative pressure Im guessing the highest postive pressure is right at the the outlet of the pump and highest negative is at the intlet. I am also guessing the pressure gradually changes. So it slowely goes from full positive, to less positive, to 0 to less negative, to full negative in the loop.

I was already planning on using 1/2" ID 3/4" od or greater tubing on the inlet mostly because 3/8" just wouldnt fit..

how extreme is the change in negative pressure from the very tip of the inlet of the pump to 12" away of straight tubing?


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