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Another annoying flow rate question from me

post #1 of 3
Thread Starter 
Ok let me try and explain ive been messing around with my second pump and when i set my second pump to a low rpm i get alot more flow full power i get about .8 gpm when i turn it down to 10% i get 13-14 gpm just seems wierd to me

Im thinking of dumping the koolance pmp 400 and the cpx-1200 pro and getting a D5 is it worth it or should i stick with what i have i would like to get about 2 GPM on average running through 2 120.3 rads and one 120.2 a heatkiller 3.0 an 2 dd gtx470 fullcovers

Thank for everyones help so far im trying to get the water going perfect then work on my exterior
post #2 of 3
you shouldn't ever try to use two different pumps in the same loop, they will fight each other trying to pump the water at different rates.

just get a mcp355,mcp655,DDC,orD5 and be done with it. if you want faster flow than what they give you get two of the same ones and get an after market dual pump top for them

btw, how are you measuring the flow rate?
post #3 of 3
Thread Starter 
yeah the second pump i put in for redundancy it was cheap i was screwing around to see how it would effect flow rates

with my koolance 400 pmp im getting .8 to .96 flow rates im using a http://www.koolance.com/water-coolin...product_id=740
too measure flow rates with the
http://www.koolance.com/water-coolin...product_id=797
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