What happens in solution stays in solution.

On Wed, Oct 20, 2010 at 9:11 AM, Craig Leadbetter
<cleadbetter.l...@chartermi.net> wrote:
>
> Is there not potential for the anti-freeze solution to become diluted over 
> the years? Even if the system is drained and the antifreeze mixture 
> recalibrated  the antifreeze in the drops is not affected.
>
> Craig Leadbetter
>
> Safeguard of Marquette
>
> (Office) 906-475-9955
> (Fax) 906-475-5474
> (Cell Phone) 906-362-5393
>
> cleadbetter.l...@chartermi.net
>
>
>
>
> At 12:06 PM 10/20/2010, you wrote:
>>No. Dry pendant are only required on wet systems where the head
>>penetrates into a cold space or on dry system drops (apart from the
>>one exception where the system and drop are in conditioned spaces).
>>Another interesting question: Could you substitute drops filled with
>>an anti-freeze/water mixture for dry pendants on a dry system?
>>
>>On Wed, Oct 20, 2010 at 8:51 AM, Craig Leadbetter
>><cleadbetter.l...@chartermi.net> wrote:
>>> Are dry pendent heads required in an antifreeze system that had drop 
>>> pendent heads?
>>>
>>>
>>>
>>> Craig Leadbetter
>>>
>>> Safeguard of Marquette
>>>
>>> (Office) 906-475-9955
>>> (Fax) 906-475-5474
>>> (Cell Phone) 906-362-5393
>>>
>>> cleadbetter.l...@chartermi.net
>>>
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>>
>>
>>
>>--
>>Ron Greenman
>>Instructor
>>Fire Protection Engineering Technology
>>Bates Technical College
>>1101 So. Yakima Ave.
>>Tacoma, WA 98405
>>
>>rgreen...@bates.ctc.edu
>>
>>http://www.bates.ctc.edu/fireprotection/
>>
>>253.680.7346
>>253.576.9700 (cell)
>>
>>Member:
>>AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC
>>
>>They are happy men whose natures sort with their vocations. -Francis
>>Bacon, essayist, philosopher, and statesman (1561-1626)
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-- 
Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405

rgreen...@bates.ctc.edu

http://www.bates.ctc.edu/fireprotection/

253.680.7346
253.576.9700 (cell)

Member:
AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC

They are happy men whose natures sort with their vocations. -Francis
Bacon, essayist, philosopher, and statesman (1561-1626)
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