[AT] Pressure drop?

[charlie hill]

Where's Walt when you need him?  I'm sure he could set us all straight on 
this.  LOL.

Charlie

----- Original Message ----- 
From: "Steve W." <falcon at telenet.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, January 30, 2008 12:28 AM
Subject: Re: [AT] Pressure drop?


>  Starting with 125PSI @ 10CFM through 800 feet of 1/2" your going to
> lose about 9 PSI.
>
>
> -- 
> Steve W.
> Firefighter,EMT,Fire Police
> VanHornesville Vol. Fire Dept
>
> Francis Robinson wrote:
>> OK, who knows compressed air pressure drop off of the top of your head?
>> :-)
>> I am going to run a compressed air line from one shop to the other. It
>> will run inside of an underground conduit in 1/2" PEX tubing. It will
>> basically have one fitting (full 1/2") at each end of the run. The run 
>> will
>> be 250' long with no fittings at all in the line itself. If I have 125 
>> PSI
>> at one end what kind of drop can I expect at the other end? What would it
>> be at 800'?
>> BTW, PEX is rated and recommended for compressed air. I was reading the
>> print on the pipe today and for water what I have on hand at the moment 
>> is
>> rated at 100 PSI at 180 degrees F. It will not get hard and brittle and 
>> it
>> will not shatter on impact. It is cross linked polyethylene and is not
>> affected by oil.
>> I am really in love with this stuff for water plumbing.
>>
>>
>>
>>
>>
>> --
>> "farmer"
>>
>>
>> Francis Robinson
>> Central Indiana, USA
>> Robinson at svs.net
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>>
>>
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