My sump/plumbing is too loud
- Thread starter FedEXguy
- Start date
I'd wager then that you are experiencing something similar to myself. Proposed solutions would be dialing back one durso (worst solution imo), leveling tank or doing something similar to what you are proposing, which would probably be the mid range solution here. I'm guessing you don't want to level the tank so giving that a shot would be an option, to hopefully dispel the air before the "skimming" begins. I think it's the combination of excess air and a 90 degree drop, so potentially putting the dursos on an angle would work too. Try making your solution and letting me know how it goes, I've yet to make a decision myself.
Well, the problem is I did level the tank to the full extent of the shims but it was still slightly out of level. Everything is too heavy to get the shims out and double them and when I tried to use new ones to push the old ones through, they just break. So I'm leaving it, I guess.
How many gallons is the tank?
What is the full output of both pumps? If you have DC pumps, what is the range of outputs possible?
How many total drains do you have, and what size are they?
Are your returns drilled into the bottom or side of the tank below the water level in the display?
If so, how many and what size are they?
If you think there's too much air in the drains for laminar flow, then have you tried using the needle valve on top of it to restrict air flow into the durso's?
What is the full output of both pumps? If you have DC pumps, what is the range of outputs possible?
How many total drains do you have, and what size are they?
Are your returns drilled into the bottom or side of the tank below the water level in the display?
If so, how many and what size are they?
If you think there's too much air in the drains for laminar flow, then have you tried using the needle valve on top of it to restrict air flow into the durso's?
How many gallons is the tank? 240g and 2 connected 40g sumps with about 30-35 gallons in each before start
What is the full output of both pumps? 1063gph max each
If you have DC pumps, what is the range of outputs possible? isn't listed but it's 10 steps and the difference is significant
How many total drains do you have, and what size are they? 2 @-1.5" 2 @-1" (used for return)
Are your returns drilled into the bottom or side of the tank below the water level in the display?
If so, how many and what size are they? 2 @-1" drilled bottom of overflows
If you think there's too much air in the drains for laminar flow, then have you tried using the needle valve on top of it to restrict air flow into the durso's? Yes, had to fully open to 1/4" to prevent flushing of dursos
What is the full output of both pumps? 1063gph max each
If you have DC pumps, what is the range of outputs possible? isn't listed but it's 10 steps and the difference is significant
How many total drains do you have, and what size are they? 2 @-1.5" 2 @-1" (used for return)
Are your returns drilled into the bottom or side of the tank below the water level in the display?
If so, how many and what size are they? 2 @-1" drilled bottom of overflows
If you think there's too much air in the drains for laminar flow, then have you tried using the needle valve on top of it to restrict air flow into the durso's? Yes, had to fully open to 1/4" to prevent flushing of dursos
Then what you need to test out is whether a single 1.5 inch drain can handle the full output of both your pumps, and if the interconnect between your 2 sumps can handle it.
And you'll need to test it out with a gate valve on one of the 1.5 inch drains. You'll adjust the gate valve (close it off) so that it's closed off enough that flow through the drain is laminar, and quiet. the gate valve might be 75%-90% closed off--don't worry. Just adjust it until you get the maximum drain rate in the single 1.5 inch drain.
the second 1.5 inch drain will be 1/4 inch higher than the drain with the gate valve on it. If the gate valve ever clogs up, the second higher drain will take over. It won't fully drain both pumps, so you might want to add a second emergency drain--cross that bridge later.
For now, get a gate valve, put it on a 1.5 inch drain, and convince yourself that it'll drain both pumps' output quietly.
I think with 2,000 GPH or less -- a 1.5 inch drain can handle that IF THE FLOW IS LAMINAR.
And you'll need to test it out with a gate valve on one of the 1.5 inch drains. You'll adjust the gate valve (close it off) so that it's closed off enough that flow through the drain is laminar, and quiet. the gate valve might be 75%-90% closed off--don't worry. Just adjust it until you get the maximum drain rate in the single 1.5 inch drain.
the second 1.5 inch drain will be 1/4 inch higher than the drain with the gate valve on it. If the gate valve ever clogs up, the second higher drain will take over. It won't fully drain both pumps, so you might want to add a second emergency drain--cross that bridge later.
For now, get a gate valve, put it on a 1.5 inch drain, and convince yourself that it'll drain both pumps' output quietly.
I think with 2,000 GPH or less -- a 1.5 inch drain can handle that IF THE FLOW IS LAMINAR.
Also, keep in mind, right now, you're just testing. Once you're sure your single 1.5 inch drain can handle things, you can shorten the siphon drain standpipe in the overflow, and put a strainer on top of it.
so, you'll see the drain catch siphon, start draining faster and then as the water level gets lower, the siphon will get messed up and the drain will start sucking air and get loud--that's OK. We're just proving things out now.
I flow 4000 GPH in my tank, it's quiet as a grave. You have what you need to set up a Herbie, I think 1.5 inch drains is all you need.
so, you'll see the drain catch siphon, start draining faster and then as the water level gets lower, the siphon will get messed up and the drain will start sucking air and get loud--that's OK. We're just proving things out now.
I flow 4000 GPH in my tank, it's quiet as a grave. You have what you need to set up a Herbie, I think 1.5 inch drains is all you need.
Keep in mind durso and Herbie are functionally different and have different strengths, might be worth reading up on if you haven't. Not having a siphon has probably saved me a bunch of leaks.
