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Paul Shapiro
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- Boulder City, NV
- United States
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Mike, if it had the highrise stuff in it then that is it.
Mike, if you like I can send you the latest info
Mike. It sounds like your area buildings are in not to good of shape and more pressure might not be better. I live out west where structutres are somewhat newer and have only had one leak out of at least 40 sucessful highrise pump operations. One ...
Point taken Adam. I am not talking about replacing 2-1/2" flows with an 1-3/4". Forgive me if I sounded like that was what I meant. All I am saying is that if a building has pressue restriction problems causing FD's to take up larger and heavier h...
We just did this very thing to reinforce the point that not all formulas fit. Each nozzle was evaluated for ease and maneuverability of the nozzle FF.
Elkhart SM20F- 180 gpm (can flow more, but this was practical in any position)
15/16" SB - 180 ...
1 3/4" with a TFT constant gallonage 75 psi nozzle = 175 gpm (200 ft. line pumped at 175)
2 1/2" with a TFT constant gallonage 50 psi nozzle= 250 gpm
2 1/2" with a 1 1/4" smoothbore 50 psi at the nozzle = 265-280 gpm (Discharge pressure 75 psi)
I hear alot of talk about smooth bore VS fog and hose diameter but not much about flow. Ask yourselves" do you really know what your weapons are flowing or capable of flowing? I don't mean what the label on the gun says. I am talking about reality...
Just curious. I haven't heard anyone talk about boosting the building pressure with FD pumping apparatus to overcome the low pressure problems everyone is talking about.There is alot you can do.
Profile Information
- Department:
- Las Vegas Fire Department - retired
- Title/rank:
- Engineer
- Years of public service:
- 27
- Agency structure:
- Paid fire department
- Areas of expertise:
- Large flow water delivery
- Web site:
- http://www.fireflowtechnology.com
Comment Wall (1 comment)
- At 1:07pm on July 4, 2009,
Mike Walker said…
- Welcome to the site brother
I've been doing some big flow tests and the results have been very interesting...
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