3/4 inch LocLine + Flowrate

GIT RITE · Mar 28, 2012

How many GPH do you 3/4 LocLine will flow? Trying to determine how many return lines to run on a closed loop. The pump is a PanWorld 100, and it flows 1270 GPH.

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ruppertb · Mar 28, 2012

i was worried about the 3/4 reducing the flow in my 1 in. i called marine depot and they said it wont reduce it all all it will just make it more concentrated flow, im not sure i believe them

M@! · Mar 28, 2012

This might help? http://www.loc-line.com/_doc/Flow-Data.pdf

GIT RITE · Mar 28, 2012

My plan is to have the 1" out of the pump and go up the back and then have a manifold split it into 2, 3/4"lines. I have 2, 3/4" bulkheads in the back of the tank. Once in the tank split each bulkhead return into 2, 3/4" LocLine. Which would be a total of 4, 3/4" LocLines.

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cdness · Mar 28, 2012

1in to 3/4 in will restrict it slightly, but it will also increase the pressure a bit so it will feel faster.

Reef Breeders · Mar 28, 2012

a 3/4" pipe has an area of ~ .44", a 1" pipe has an area of ~.785".44 X 2= .88, so you are actually giving your pipe less pressure than a single 1" pipe in total, you will be fine. And restricting the pipe will increase velocity, not so much reduce the flow rate (gph) , when the restriction is minor at least.