Re: Copper boiler tubing
Posted by:
Rolly (IP Logged)
Date: July 01, 2008 10:59AM
Copper can be rated as high as 14 tons per square inch, but on the average it is rated around 11 tones or 25,000 PSI.
It does make a difference how you use it in boiler design. In a Stanley boiler it is used for the fire tubes as high as 600 PSI working pressure. The wall thickness is .049 and the tube ends are reinforced at the tube sheet with steel feral. The pressure is trying to collapse the tube, and the flame is not impeding directly on the surface of the tube.
I have used copper in water tube designs up to 200 PSI where wood-burning fire has heated the tube directly, and with oil burner used in a combustion chamber where the tube see only the radiant heat
I have also used it in model boiler construction operating at 110 PSI with a blue flame burner inside a tube, A Scotch marine type boiler.
Rolly