Hello Charles,

I am on vacation from October 17th until October 27th. Your message is
important to me and I will reply as I catch up. IF this is something that
can NOT wait until then Please send your email to [EMAIL PROTECTED]




Friday, October 24, 2008, 4:42:53 PM, you wrote:

> Hello Dennis,

> I am on vacation from October 17th until October 27th. Your message is
> important to me and I will reply as I catch up. IF this is something that
> can NOT wait until then Please send your email to [EMAIL PROTECTED]




> Friday, October 24, 2008, 4:25:34 PM, you wrote:

>> Thank You, one and all! Got what I needed. Sure do enjoy monitoring  this 
>> site and I pick up goodies all the time. I will make an effort to do San 
>> Diego next year, mainly to find out what happens at George's Room.

>> ----- Original Message ----- 
>> From: "George Church" <[EMAIL PROTECTED]>
>> To: <[email protected]>
>> Sent: Friday, October 24, 2008 1:09 PM
>> Subject: RE: Pitot Chart


>>>From Denise at hydro flow:

>> Here are the pitot formula and coefficients for all sizes of the Hose
>> Monsters and Nozzle Inserts.

>>      Q = 29.83 * √P * D2 * Coefficient
>>      Where Q = flow rate in GPM, P = pitot pressure, D = nozzle diameter

>> Product Coefficient
>> Nozzle Insert 1 1/8” 0.99
>> Nozzle Insert 1 ¾” 0.975
>> Hose Monster 2 ½” 0.906

>>      The 4” and 4 ½” Hose Monsters actually use a different formula
>> because they are not using a pitot, but these numbers work for the above
>> pitot formula.
>>      Product Coefficient
>>      Hose Monster 4” 0.71159
>>      Hose Monster 4 ½” 0.54816

>> The Pitotless Nozzles are different also.

>> Links to flow charts for low, "normal" and high pressures:
>> http://www.hosemonster.com/downloads/FCHM2H.pdf
>> http://www.hosemonster.com/downloads/FCHM2HLP.pdf
>> http://www.hosemonster.com/downloads/FCHM2HHP.pdf
>>  * * * *
>> Obviously, the chart is pretty darn convenient when you're in the field;
>> rather than use a calculator when I've gone out without the chart, I just
>> use my cel to call the office and ask someone for the GPM for my pitot
>> pressure.

>> Saw the pitotless nozzles last week at AFSA- pretty neat. They've come a
>> long way!

>> TGIF
>> glc

>> -----Original Message-----
>> From: [EMAIL PROTECTED] [mailto:sprinklerforum-
>> [EMAIL PROTECTED] On Behalf Of Todd Williams - FPDC
>> Sent: Friday, October 24, 2008 2:35 PM
>> To: [email protected]
>> Subject: Re: Pitot Chart

>> Dennis,

>> Why would the pitot have a chart? Is this actually a diffuser or
>> nozzle with a built-in pitot?

>> What I did with my Hose Monster was to use the chart and calc
>> backwards to come up with the K factor, then I wrote it on the HM
>> with a permanent marker. That way, if I lose the chart, oh well.


>> At 02:10 PM 10/24/2008, you wrote:
>>>I have a "Sierra"  brand Pitot I bought circa 1990 and my Fitter
>>>lost the chart yesterday while doing a flow test. I think it is the
>>>very similar to the one listed in the Potter Roemer catalogue. I was
>>>hoping someone could email or fax me a copy? Hate to buy a new one
>>>over the chart. Thanks in advance.
>>>Fax 541 245 0498
>>>Phone    245 0466


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-- 
Best regards,
 Charles Thurston                            mailto:[EMAIL PROTECTED]
  Coastal Fire Protection

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