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jlfalin
09/13/2017, 07:53 PM
So I recently bought a large version of the oceans motion flow diverter. It has a 2" intake and 4x 1-1/2" output's. This will be run on a RD230 and through 4x 1-1/4 bulkheads in the bottom of the tank. My question is what to do to plumb this together. Would you increase the 1-1/2" output of the pump to 2" and then use a 2" ball valve prior to the OM or would you just run 1-1/2 all the way to the OM and the step up to 2" for that connection?

I want to maximize flow out of the pump so was wondering what you guys would recommend. I was guessing since the pump has a 1-1/2" out and the distance of pvc and fittings between the pump and OM will be minimal that 1-1/2 will be fine. But if the 2" will lead to better pump performance the. I'll do that.

Thanks

slief
09/13/2017, 08:11 PM
So I recently bought a large version of the oceans motion flow diverter. It has a 2" intake and 4x 1-1/2" output's. This will be run on a RD230 and through 4x 1-1/4 bulkheads in the bottom of the tank. My question is what to do to plumb this together. Would you increase the 1-1/2" output of the pump to 2" and then use a 2" ball valve prior to the OM or would you just run 1-1/2 all the way to the OM and the step up to 2" for that connection?

I want to maximize flow out of the pump so was wondering what you guys would recommend. I was guessing since the pump has a 1-1/2" out and the distance of pvc and fittings between the pump and OM will be minimal that 1-1/2 will be fine. But if the 2" will lead to better pump performance the. I'll do that.

Thanks

I'd increase the plumbing coming right out of the pump. I usually plumb in a union ballvalve immediately before and after my pumps to make maintenance easier. I always oversize those valves anyway and increase the return plumbing size in an effort to cut down on friction loss. I'd then add a union ball valve just before and after the OM in case I ever needed to pull it out to work on it. I suspect the OM itself is going to create a fair amount of friction loss and head pressure so reducing head pressure anywhere else you can will only help.

jlfalin
09/13/2017, 08:26 PM
Thanks for the quick response. Those were my thought exactly. I planned on a true union ball valve right after the output and then was going to put the OM directly on top of that. I up sized the OM for that reason. I want to reduce friction loss and get the most out of the pump. Guess I gotta get another 2" and 4x 1-1/2" true union ball valves.

slief
09/13/2017, 08:57 PM
Glad to help! Be sure to post some pictures once you have it setup!

jlfalin
09/15/2017, 08:01 PM
Ordered the rest of my PVC parts today. I will be sure to post pictures as soon as I get it set up. Man PVC is expensive. I think I spent $500 in PVC parts to install this closed loop. The RD230 better be worth it :-)