[Greenbuilding] [BULK] Re: [BULK] Sprinklers-and PEX

[Sacie Lambertson]

Hmm. when the components of a collector are made of copper I can't see these
melting  before the PEX to which they are attached.  Don't know the rating
on PEX of course.  Higher or lower than thinwall (PVC)?  Sacie

On 9/14/07, John Salmen <terrain at shaw.ca> wrote:
>
> Temp ratings on pipe are a combination of temperature and pressure.
> Standard
> thinwall is around 120d @ 100 psi though most pipe is rated higher.
> Pressure
> relief and vented collectors are typically used in systems. A system
> shutdown will more likely meltdown collector components before damaging
> pipe.
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