[TheForge] A challenge to Harry

[Jerry Frost]

Thanks Paul.

Now it makes more sense for well tanks to not be 
galvanized. <grin>

I knew the mechanics of the bladder's advantage over 
the old style but hadn't thought about the coating. 
Bladder tanks are all painted where the old type 
pressure tanks weren't so it was easy to see the galvy 
but galvy can be covered with paint. Good info. Thanks.

Frosty
-------------------------------
If it ain't forged
it ain't real.
Wrought iron is.
The FrostWorks

Meadow Lakes, AK.

http://www.artmetalradio.com/

From: "paul" <forge at wi.rr.com>


>
> While it is possible that there are galvanized 
> bladder tanks, I have never seen one. One reason for 
> the switch to bladder style tanks was the ban on lead 
> content in galvanizing that took place around the mid 
> 80's or so. Once the lead content was gone the 
> galvanized water storage tanks failed much more often 
> than the ones with the older lead bearing coatings. 
> The bladder tanks eliminate the water to  metal 
> contact, solving the corrosion problem, with the 
> added benefit of eliminating the absorption of air by 
> the water, and therefore eliminating the need for 
> anything to control the air
> level or the periodic addition of air... sometimes by 
> hand pumping... not to popular.
> BTW if you have a bladder style tank, and the pump is 
> short cycling, it's likely that the bladder is shot.
>
> Paul
>
>