If it it similar to the models I looked at, I believe it still needs a 
compressor.

John 


John August Denhardt, P.E.
Strickland Fire Protection Incorporated
5113 Berwyn Road
College Park, Maryland 20740
Office Telephone Number:  301-474-1136
Mobile Telephone Number:  301-343-1457
FIRE SPRINKLERS SAVE LIVES 


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Matt Grise
Sent: Friday, March 26, 2010 3:17 PM
To: '[email protected]'
Subject: RE: Nitrogen

Sounds like a very expensive air compressor?

Matt Grisé PE*, LEED AP
Sales Engineer
Alliance Fire Protection
*Licensed in KS & MO 

913.888.0647 ph
913.888.0618 f
913.927.0222 cell
www. AFPsprink.com 


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Jesse Pfeifer
Sent: Friday, March 26, 2010 2:14 PM
To: [email protected]
Subject: Re: Nitrogen

A vendor was in our office today with a new system made by South-Tek Systems. 
They have a product called Mic Blast that generates It's own nitrogen, hence no 
need for cylinders. I did not get to read all the literature yet but sounds 
kinda neat. Runs about 5k and no maintenance required other than a filter.

On Fri, Mar 26, 2010 at 12:34 PM, George Church <[email protected]> wrote:

> As we get older, we all do.
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of John 
> Denhardt
> Sent: Friday, March 26, 2010 12:03 PM
> To: [email protected]
> Subject: RE: Nitrogen
>
> Agree - I remember reading that a tire will leak faster with air than 
> filled with nitrogen.  Not much of a difference in time, but the 
> nitrogen leaked slower.
>
>
> John August Denhardt, P.E.
> Strickland Fire Protection Incorporated
> 5113 Berwyn Road
> College Park, Maryland 20740
> Office Telephone Number:  301-474-1136 Mobile Telephone Number:  
> 301-343-1457 FIRE SPRINKLERS SAVE LIVES
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Ed 
> Kramer
> Sent: Friday, March 26, 2010 11:58 AM
> To: [email protected]
> Subject: RE: Nitrogen
>
> Chris, I believe nitrogen is no more likely to leak than air (or not 
> significantly so).  What comes into play is the utmost importance of 
> installing a very tight sprinkler system, including grooved couplings 
> listed for dry service.  The owner generally won't complain if the air 
> compressor runs more than it should, but when he's replacing a N 
> bottle once/week or more often, he can turn grumpy.
>
> Ed Kramer
>
> > -----Original Message-----
> > From: [email protected] 
> > [mailto:sprinklerforum-
>
> > [email protected]] On Behalf Of Chris Cahill
> > Sent: Friday, March 26, 2010 7:48 AM
> > To: [email protected]
> > Subject: Nitrogen
> >
> > I was under the impression we talked about nitrogen in dry systems 
> > was
>
> > a challenge because it leaked where plain air would not.  I searched 
> > the last few years of the forum and couldn't find any such discussion.
>
> > But air is 80% nitrogen so maybe not a significant difference?  How 
> > many of you have tried nitrogen and did you or do you still have 
> > leaking problems?
> >
> >
> >
> > Chris Cahill, P.E.
> >
> > Fire Protection Engineer
> >
> > Sentry Fire Protection, Inc.
> >
> >
> >
> > 763-658-4483
> >
> > 763-658-4921 fax
> >
> >
> >
> > Email: [email protected]
> >
> >
> >
> > Mail: P.O. Box 69
> >
> >         Waverly, MN 55390
> >
> >
> >
> > Location: 4439 Hwy 12 SW
> >
> >               Waverly, MN 55390
> >
> >
> >
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> >
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> > field)
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