surge device

It is pretty hard to do without bubbles, unless you have some type of mechinical/eletronic controll. If you use some type of an actuated valve, either via a seloniod or motorized, and some float switches it is pretty easy to do, but expensive. There as also been somebody that used a seloniod to pull up a toilet flapper valve which would work as long as you have a strong enough seloniod with long enough stroke.


Now I do have an idea but I don't think it will surge as well as a normal surge. Take a normal surge device (borneman style works best for me, and have it feed into a mid to small tank that has a large diameter overflow in it. When the surge hits the small tank it fills up and the overflow on it feeds the display tank. There will still be some bubbles, but it should be a lot less than the surge directly into the main tank. On the overflow from the main tank, I would just do a large diameter pipe from the side into the main tank (2 inch or larger). The large pipe should eliminate most bubbles from the starting of the overflow, expecially if the pipe between the two tanks is below the normal water level of both tanks...... hmm... that would work even better, you could put a bubble trap in the middle tank and have close to a bubble free surge in the main tank. The only problem is finding room to mount hte middle tank someplace only partly above the display tank, but it could be made into a nice fuge....

Kim
 
Actuated valve or a plunger are really the only quiet bubble free designs.

Kgross' idea of a "bubble trap" works decent , but does lessen to an extent the surge. A small price to pay, IMO for a lot less salt creep!
 
<a href=showthread.php?s=&postid=7999655#post7999655 target=_blank>Originally posted</a> by H20ENG
Actuated valve or a plunger are really the only quiet bubble free designs.
I have seen the actuated how does the plunger work? (how is it made)
 
Several ways-
Hydraulic / pneumatic rams, or a rocking beam on a gearmotor- like the oil field pumps. Lots of ways to skin that cat:)
 
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