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old heavy iron and machine tool photo's

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PTsideshow:

--- Quote from: Bluechip on July 19, 2010, 02:50:20 PM ---Don

I think superheat refers to an increase in temp. above the normal steam temp. taking into account the boiling point of water is higher as the pressure increases.

ie. say a boiler pressure of 100 psig  ( 115-ish psia ), the saturated steam will be at 338F. so 75F of superheat the steam temp will be some 413F.

Dave BC



--- End quote ---

Dave is correct and that's what they probably were trying to say!

A lot of people have a hard time wrapping their minds around steam and water at temperatures they were taught in grade school. or the way it will operate under vacuum.
the old boiling water at sea level or in the mountains or in a vacuum.

And you see, were I went to the more obtuse expanded description!   :bugeye: more than most will want to know  :lol: :lol: :lol:
I'm going to quite typing, and let me get back to fixing dinner.

dsquire:
Dave & Glen

Thanks for the replies and information. I don't understand/know steam so I didn't want to make too big a statement about something that I wasn't sure of. Your answers both help me to understand how the 75 degree F. might not be was it first seems like. I certainly will not be having a shower with 75 degrees Fahrenheit superheated steam, just in case. :lol: :lol: :lol:

Cheers  :beer:

Don

Rob.Wilson:
 :bugeye: cheers for sharing the link Glen  :thumbup: :clap: :clap:

GREAT STUFF

Rob

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