flow lost throught scwd?

hydra

New Member
They do seem to take a hit on GPH but I would say the bigger the pump the less % reduction. I had a Mag 7 I tried to hook up to one and it felt like it cut the flow nearly in half, plumbed off the return and then each end of the scwd outputting to a line back into each side of the tank. I upgraded to a Mag 9.5 and it felt like I had the flow back to where it was with the scwd-less Mag7. The Mag 9.5 feels prob somewhere near 30% loss of flow whereas the Mag 7 felt like nearly half. Hope this helps.
 

backcountr

Member
the pump im looking at is going to push 1500gph
its goinh to T into 2 lines
line 1 scwd them each side of the scwd is going to T into 2 returns 1 @ 1/3 and 1 @ 2/3 on each side
line 2 is going to t again and move water across the top and the back
all that plus a mag 9.5
 
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