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-   -   Chiller expansion tank. (http://www.refrigeration-engineer.com/forums/showthread.php?t=21714)

Helper monkey 04-11-2009 02:29 AM

Chiller expansion tank.
 
Hello,
I am looking for help sizing an expansion tank for a chilled water system. It is an exsisting system and I don't know exact fluid content. Do I need to do a dilution test to get a accurate messurement. Can I just overestimate?

Sridhar1312 04-11-2009 03:34 AM

Re: Chiller expansion tank.
 
Expansion tank shall be kept at topmost level of the chilled water circuit.ideally it is better to calculate the total holding capacity of circuit .As a rule of thumb around 3% of the flow rate is adequate for expansion tank if it is chilled water system

Brian_UK 04-11-2009 09:21 PM

Re: Chiller expansion tank.
 
Document here has tables and calculations for sized expansion vessels.

http://www.mikrofill.com/images/PDF/n-and-de-range.pdf

nike123 05-11-2009 09:17 PM

Re: Chiller expansion tank.
 
Here is software for such calculations.

Helper monkey 16-11-2009 02:27 AM

Re: Chiller expansion tank.
 
THANKS Guys knew you could help


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