With a single drain you don't need any kind of valve to regulate it, but i'm assuming you want a valve in the event you want to remove the sump? Your order will be delivered 1-5 days after it ships out. I used a ball valve on my return line, it's slightly harder to tune the level in but the gate valves were 5x the cost here, so it was a no brainier for me...if you do use a gate valve for a herbie overflow I would use a larger gap between the syphon and emergency drain to make it easier to tune the valve in. R2R Supporter.

Also schedule 40 or 80 PVC?

The advice I was told is that ball valves are better for on/off applications.


I doubt there's any more risk with gate valve "closing" than a ball valve. http://www.marinedepot.com/Dolphin_...Dolphin_Aquarium_Pet-DP45002-FIWPEPOH-vi.html. I have used it many times around the aquarium with no ill effects.

If you take a pump and put some sort of restriction on the output line (never input or it could cavitate), the amount of power draw and heat produced will go down. That is why some of the higher end pumps (red dragons) back flush the magnet to keep them from getting calcium build up.

Gate valves, on the other hand, are much more prone to leaks. is there a risk of this gate valve closing shut and flooding my house? A ball valve costs less but a gate valve is more precise. Paste as plain text instead, ×

Economy shipping methods include UPS Ground, USPS First Class, and/or SurePost. Gate valve versus ball valve video is helpful for those who have just started working in industries. Ball for overflow and gate for return?

I think I'll stick with ball valves for now. Equipment Discussion for Saltwater and Reef Aquari. When I first started I was told that you should match the size of your return pump to the gph you were trying to achieve and not over size it and gate down (or get a DC pump that you can control the speed which is what I did) because it decreases the lifespan of the pump, and I just assumed it was for these reasons. The return I am not using any valve at the moment since I have a vectra and control the flow that way. Do you need a "mature" tank in order to house an anemone in it? Advertise today. cuz drilling my overflow would b a major PITA vs slapping on a T pipe and an extra couple feet of loops in my pipe line. The only real con against gate valves is local (DIY stores like HD, Lowes, etc) availability for sizes appropriate for our nano tanks whereas ball valves in all size are readily available. its better to choose a pump the right size for the flow you are trying to obtain, that way you aren't putting stress on the pump. Gate for overflow and ball for return. Super precise control. Most orders over $250 qualify for FREE upgraded shipping!

I also have a ball valve and manifold on the return to drive a gfo/carbon filter. With a herbie-style overflow, you must have two holes, otherwise it is just a matter of time before you encounter a flood.

yeah the only reason you would want a valve at all in most cases on the return is to be able to close off the return for pump maintenance, or to possibly clean the lines in conjunction with unions, which I highly recommend a lot of on both the return and overflow as well.

You must log in or register to reply here. Ball valves and gate valves are two of the most commonly used valves for controlling the flow of fluid in plumbing or gas systems.   Your previous content has been restored. Personally I have a gate valve on my overflow so I can fine tune the flow to get a complete syphon. Conclusion. Just turning down the output some. JavaScript seems to be disabled in your browser. It will likely lead to added heat and calcification on the magnet.   You cannot paste images directly. This guide reviews the differences between ball valves and gate valves as well as how to choose the best type of valve for your needs.

If you don't slow the rpms, and you kept that going long enough the heat could build up enough to where the water can reach the boiling point which causes cavitation as well (once again I am talking a large pump so I know it probably would not get to that extreme in a aquarium pump), but it stands to reason that the water would still heat up a little thus decreasing the life of the pump. I am setting up my sump and am wondering if I should use ball valves for overflow and return or gate valves. thanks for ur help everyone! Never knew that. They are more reliable, easier to control, and allow for control within flow ranges that a ball valve would just suck at. Yes, I am sure. Copyright 1998-2020 Marine Depot Aquarium Supplies.

All rights reserved.

Gates are usually more expensive but give you more control over the flow. Get some cool swag

The lever is attached to a stainless-steel ball on the inside of the valve. Upload or insert images from URL. This makes them a little easier to turn and hopefully will help keep them from locking up down the road. The over flow though you will gate down to match the return so you need more control over it.

×

Want to grow your business and reach a wider audience? Also, "herbie" system implies that there is a built in "emergency" drain.

thanks abunch for all the replies!

The amp draw will go down if a pump output is restricted.

Frozen foods, live foods, and items shipped directly from the manufacturer do not qualify for this special offer. Free shipping is only available within the contiguous United States. Marine Depot offers FREE economy shipping for most products when you spend $29 or more!

I think it really depends on what kind of overflow you are going to setup. Orders received after 10 am PST on Tuesday will be shipped the following week. While ball valves feature a small sphere attached to a stem, gate valves have a round or rectangular gate that is attached to the stem and is used to regulate the flow of materials. OINK!

gate and globe valves are used to throttle with.   Your link has been automatically embedded. Brian Brush discusses bringing efficiency and accuracy to your engine mounted master stream by the simple addition of a gate valve.

but like I said I might be totally off base with an aquarium pump.
Your order will be delivered in up to 7 business days after it ships out. Can always swap em out later I suppose if needed. I'm not sure what you mean about the U or T pipe.

The ball valve/gate valve going back to the skimmer section will be how I adjust/balance my return flow. I would be in trouble without my gate valve on my return, would be impossible to keep a good siphon, so glad I got a gate valve, makes it silent. You can get ones that move smoothly and allow small adjustment.

Gate valve for sure. For its closing position, the gate moves downwards and between two seats located on the upper portion of the disc as well as at its bottom as shown in the image above. For its closing position, the gate moves downwards and between two seats located on the upper portion of the disc as well as at its bottom as shown in the image above. Your order will be delivered in up to 7 business days after it ships out.

Click here to read more detailed information about our frozen food shipping procedure, Click here to read more detailed information about international shipping costs and restrictions. wut are the pros and cons of each?

reefer123, January 2, 2009 in General Discussion.

We used numerous ball valves on a larger tank and I got extremely frustrated doing anything that involved fine tuning the flow (ie overflows).