Almost have very quiet tank - ball valve on drain noise makes noise

torero500 · 07/25/2010, 10:36 PM

It's funny that the durso overflow is deadsilient, no sound comes from up there...but under the tank to the sump, the water flowing through the 1.5" ball valve makes alot of noise as it passes though, before heading through the final flex tubing into the 1st sump chamber. Just a lot of water turbulence noise, and I'm wondering if I should just get rid of it...but like having the ability to stop the drain when I turn the power off to service things. Are gate valves quieter? Or should I just run straight from the bulkhead down into the sump to stop that water rushing noise?

torero500 · 07/26/2010, 12:34 PM

Sometimes these saltwater aquriums can drive you nuts!

nikon187 · 07/26/2010, 02:05 PM

build a reverse durso for in your sump

Brickyardgreg · 07/26/2010, 03:15 PM

A gate valve will be quieter but expensive. But hey if that gets rid of your last bit of water noise it might be worth it.

ctripi · 07/26/2010, 05:46 PM

I got rid of my valves and rely on a calculated drain-down when the pump shuts off. Even a gate valve is going to make a little noise.

torero500 · 07/26/2010, 07:25 PM

Quote:

Originally Posted by ctripi

I got rid of my valves and rely on a calculated drain-down when the pump shuts off. Even a gate valve is going to make a little noise.

Yeah, a single threaded 1.5" gate valve is $30. Just for a valve that might still be noisy...I think I'll just take all valves off my drain line as suggested and do a calculated drain down...it's doesn't drain all that much. I can still shut off the return line siphon via its ball valve, which isn't noisy. That return line does drain down quite a bit of water because my eyeball bulkhead is a couple inches below the water level.

2006 · 07/26/2010, 09:14 PM

Quote:

Originally Posted by ctripi

I got rid of my valves and rely on a calculated drain-down when the pump shuts off.

How does this stop noise?

D-Nak · 07/26/2010, 10:19 PM

Do you have the ball valve partially closed? If not, I don't understand how it adds extra noise. Are you sure the noise is coming from the valve? Sounds like it could be noise from the entire overflow, not just the valve.

torero500 · 07/26/2010, 11:07 PM

I can put my ear right next to my drain line, and hear all the gurgling coming right out of the big 1.5" ball valve, like water is very turbulent inside there. Even with it closed partially, it's still noisy. There isn't any noise oddly enough in the durso pipe until it reaches the ball valve underneath the bulkhead. I also get some secondary noise from the water coming down the last of the drain pipe, but it's not as noisy as the ball valve. Looking inside the valve, it appears to be pass through, but there is narrowing of the valve inside it' body and some junction points in there with the male adapter since everything is threaded.

Maybe if I look at some slip fittings everything will be smooth and won't get that noise because there won't be any turbulence...and since the 1st sump chamber is straight down below my bulkhead, in a way I already have a reverse durso in my sump return

torero500 · 08/01/2010, 05:36 PM

Thought I'd post some resolution I achieved through trial and error if someone else is having the same problem. Using all 1.5" parts, no matter what I tried I still got alot of gurgling noise, even without the ball valve. It made a bunch of noise rushing through the bulkhead.

So instead I got a 1.5" to 3/4" threaded bushing at Lowe's, and then ran 3/4 drain line down to the sump. That really quieted the whooshing water noise through the bulkhead to nothing. But down in the sump water the outlet was fairly noisy even though it was underwater. So put a ball valve at the end to adjust the water outlet, and that quieted that down.

This setup works for me cause I'm not trying to drain a whole lot per hour, 300 gph max and the 3/4 drain can handle that easily.

07/25/2010, 10:36 PM	#1
torero500 Registered Member Join Date: Jul 2009 Location: Tucson, AZ Posts: 289	Almost have very quiet tank - ball valve on drain noise makes noise It's funny that the durso overflow is deadsilient, no sound comes from up there...but under the tank to the sump, the water flowing through the 1.5" ball valve makes alot of noise as it passes though, before heading through the final flex tubing into the 1st sump chamber. Just a lot of water turbulence noise, and I'm wondering if I should just get rid of it...but like having the ability to stop the drain when I turn the power off to service things. Are gate valves quieter? Or should I just run straight from the bulkhead down into the sump to stop that water rushing noise?

07/26/2010, 02:05 PM	#3
nikon187 Registered Member Join Date: Jul 2008 Location: Edmonton Alberta Posts: 4,717	build a reverse durso for in your sump __________________ ----------------- Current Tanks: New 210 custom 84 x 24 x 24, 60g sump, SWC 250 extreme with bubble blaster 5000, 2 vortech mp40, 2 vortech mp10, 12 T5, Water blaster 5000, warner marine bio pellets, 60g clownfish cube, red carpet anemone with a 25g sump,SRO octopus 1000sss, 250w radium, lumenarc large.

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07/26/2010, 12:34 PM	#2
torero500 Registered Member Join Date: Jul 2009 Location: Tucson, AZ Posts: 289	Sometimes these saltwater aquriums can drive you nuts!

07/26/2010, 03:15 PM	#4
Brickyardgreg Registered Member Join Date: Jan 2010 Location: The jersey shore Posts: 199	A gate valve will be quieter but expensive. But hey if that gets rid of your last bit of water noise it might be worth it.

07/26/2010, 05:46 PM	#5
ctripi Registered Member Join Date: Feb 2007 Location: Easy bay , ca Posts: 677	I got rid of my valves and rely on a calculated drain-down when the pump shuts off. Even a gate valve is going to make a little noise.

07/26/2010, 10:19 PM	#8
D-Nak Registered Member Join Date: May 2001 Location: Bay Area, CA Posts: 5,797	Do you have the ball valve partially closed? If not, I don't understand how it adds extra noise. Are you sure the noise is coming from the valve? Sounds like it could be noise from the entire overflow, not just the valve.

07/26/2010, 11:07 PM	#9
torero500 Registered Member Join Date: Jul 2009 Location: Tucson, AZ Posts: 289	I can put my ear right next to my drain line, and hear all the gurgling coming right out of the big 1.5" ball valve, like water is very turbulent inside there. Even with it closed partially, it's still noisy. There isn't any noise oddly enough in the durso pipe until it reaches the ball valve underneath the bulkhead. I also get some secondary noise from the water coming down the last of the drain pipe, but it's not as noisy as the ball valve. Looking inside the valve, it appears to be pass through, but there is narrowing of the valve inside it' body and some junction points in there with the male adapter since everything is threaded. Maybe if I look at some slip fittings everything will be smooth and won't get that noise because there won't be any turbulence...and since the 1st sump chamber is straight down below my bulkhead, in a way I already have a reverse durso in my sump return

08/01/2010, 05:36 PM	#10
torero500 Registered Member Join Date: Jul 2009 Location: Tucson, AZ Posts: 289	Thought I'd post some resolution I achieved through trial and error if someone else is having the same problem. Using all 1.5" parts, no matter what I tried I still got alot of gurgling noise, even without the ball valve. It made a bunch of noise rushing through the bulkhead. So instead I got a 1.5" to 3/4" threaded bushing at Lowe's, and then ran 3/4 drain line down to the sump. That really quieted the whooshing water noise through the bulkhead to nothing. But down in the sump water the outlet was fairly noisy even though it was underwater. So put a ball valve at the end to adjust the water outlet, and that quieted that down. This setup works for me cause I'm not trying to drain a whole lot per hour, 300 gph max and the 3/4 drain can handle that easily.