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General pump question

post #1 of 13
Thread Starter 
Ok i need more flow
already have a mcp 350 with aftermarket top

Would i be better of getting another mcp 350 and the dual top

Or buy a mcp 655 as the price would be the same either way.
Which would give better flow


Loop consists of a ek hf cpu block,580hydro soon to be 2, soon to be a gene-z motherboard block/ 360 rad/240 rad/ 120 rad/ek 150 multioption ress

360 rad and 240 rad are x flows 120 is a black ice rad not x flow tubing is 7/16th there are 2 45 degree fittings maybe a 90 soon also.

Any advice is very much appreciated.
Edited by solar0987 - 2/21/12 at 12:29am
post #2 of 13
For a high restriction loop two 350s will give better flow due to the much higher head. As an added bonus, two pumps in parallel will provide redundancy if one pump fails.
 
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post #3 of 13
Quote:
Originally Posted by mdatmo View Post

For a high restriction loop two 350s will give better flow due to the much higher head. As an added bonus, two pumps in parallel will provide redundancy if one pump fails.

Series, not parallel.
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post #4 of 13
Thread Starter 
So series it when they are next to each other i take it with one top for both pumps together?
Could someone explain how 2 pumps pumping together make the flow bettter? it goes from one pump to the input on the next one. This matter confuses me greatly as it will still have the same pumping power i thought.
post #5 of 13
Quote:
Originally Posted by solar0987 View Post

So series it when they are next to each other i take it with one top for both pumps together?
Could someone explain how 2 pumps pumping together make the flow bettter? it goes from one pump to the input on the next one. This matter confuses me greatly as it will still have the same pumping power i thought.

More power available to overcome the resistance from the loop, therefore, water moves faster.
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post #6 of 13
When you pipe 2 identical pumps in series, it doubles the available head pressure, which will increase flow.
You are going to end up with a pretty restrictive loop, so two MCP350 pumps in series is probably a better option than a single MCP655.

If he still has any left, you could pick up a DDC-1T pump(same performance as an MCP350) from bmaverick for $35.
Mate them both with the Swiftech dual DDC top and you have will have a nice pump setup for a good price.
http://www.swiftech.com/MCP35X2housing.aspx

Keep in mind though that it will not double the flow.
To double the flow you would need around 4x the head pressure.
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post #7 of 13
Thread Starter 
Would i be better of selling my 3 month old 350 with xspc top and buying http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=59_201&products_id=33360
I just want good temps with all my equipment. And i know that the hydro copper blocks are very restrictive.
Edited by solar0987 - 2/21/12 at 1:48am
post #8 of 13
Caleal

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post #9 of 13
Buy a Iwaki RD-30 and settle with one pump wink.gif I have the RD-20 and in my loop with 2x360 rads, 3 EK HF blocks and some 90' and 45' and I get 1GPM at only 15V. Its a beast!
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post #10 of 13
Thread Starter 
Quote:
Originally Posted by aquanaut View Post

Buy a Iwaki RD-30 and settle with one pump wink.gif I have the RD-20 and in my loop with 2x360 rads, 3 EK HF blocks and some 90' and 45' and I get 1GPM at only 15V. Its a beast!

Is it loud?
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