Hello, ok here is my issue. I have a 300 g saltwater predator tank with a 6250 gph pump but after head pressure it is pushing roughly 4700 - 5000 gph. I have it plumbed from 2" down to 1.5" then at the loc line it is down to 3/4". I am running a Y on them so it goes into 2 loc lines. I will most likely run a total of 4 loc lines with the Y so a grand total of 8 loc lines coming out. 2 each for each side of the overflows. Now, has anyone come across any ideas instead of shrinking down from 2" all the way to a 3/4" loc line fitting? I need some ideas on how to keep from getting all the flow from the Dolphin pump down to massive pressure form the 3/4 fittings. Thanks for any input.
Need help. 300g with 6250 gph pump
- Thread starter TankBuster
- Start date
Try using a pvc T and splitting the return instead of reducing then splitting via loc line. This will effectively cut the pressure in half. You can also use a ball valve to throttle back the output.
Clay;4637505; said:
+1 on that
You could use a few 2" Ts to make four 3/4" outlets for your 4 lines of loc line. Its almost like making a manifold. I peronsally would not go down to 1.5" at any point. Just use PVC reducers in the Ts so the 3/4" loc line fittings will work in the 2" Ts. I did that when going from 1" to 3/4" in my tank.
This way you will lose the least amount of flow going from 2" to 3/4".
Thank you for the quick replies. The only issue I have is that I must drop down to 1 1/2 because that is the size bulkhead I have drilled into the tank. Is there a way to hide the manifold pvc plumbing when it gets to the tank? i want a very clean look inside the tank. Thanks again.
rob.
rob.
According to the math, (2) 1.5" tubes = 2" tube. So, you could easily go from 2" to a 2x1.5" T and have lost no flow. From there, each 1.5" side = (4) 3/4".
I made a spreadsheet for this a few months ago, but it doesn't format well on here, so you'll just have to trust the math.
I made a spreadsheet for this a few months ago, but it doesn't format well on here, so you'll just have to trust the math.