BELL & GOSSETT IN-LINE AIR SEPERATOR

Unknown

it`s just a <i>"fat spot"</i> in the road anyway.<BR>Use this in conjunction with the B&G Air-Trol tank fitting.<BR>Should never waterlog again.<BR><BR>Dave

jad

B & G IAS

in the book pumping away, dan holohan recommends a b&g ias. the ias-1 1/2 is the smallest recommended for a steel comp tank. can this be reduced in size or run full size?

The Steam Whisperer (Formerly Boilerpro)

Actually they are not a fat spot in the road..

like air scoops. If you look inside, they have two chambers with an orifice between them. They probably increase the water velocity through the orifice to reduce pressure to help water come out of solution. I found the IAS to be much more effective than air scoops...and really make fancy microbubble air separators unnecessary in most systems.

Boilerpro

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Unknown

Well Dave,

That`s how B&G describes-it themselves.
Must be a technical description thing. ;-)

Dave

The Steam Whisperer (Formerly Boilerpro)

I stand (or sit) corrected

but they really do work alot better than air scoops.

Boilerpro

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Erich_3

Taco Vortech

You might want to look at the Taco Vortech air separator.

http://www.taco-hvac.com/en/products/Vortech&amp;reg;+Air+Separator/products.html?current_category=124

klaus

Whatever,,,they work

Six years ago I put in an IAS [18 inches before the circulator , about as much distance after the boiler outlet, to allow laminar flows] and also the air-trol at the expansion tank.
Wow! What a difference.
My tank stopped being an unwanted 30 gallon of hot water that rotted the foodstuffs in the kitchen shelves above it. The tank remains cool and the system water never exchanges with the tank water. The air remaining after fill purging just slowly disappears into the tank and the pump hums quietly.
But, I swear it looked just like an empty fat wide spot in the line. I did not see two chambers. But, it works, well.