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  • Users: Prestz
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  1. Prestz

    water heating with steam

    Good Morning. Well, i am looking for any relation or equation about the heating of water using steam in contact and mix directly . Specifically i want to know heating rate or heating time in waters vessels at atmosferic pressure. I know it`s a termodinamics and mass transfer problem, but i need...
  2. Prestz

    tube glass, the mawp or min thickness. More information

    Oh excuse please the few data. Well, the cylinder is made in borosilicate 3.3 or Pyrex. diameter is 90 mm (3.54") thickness= 2.5 mm (0.098")(thickness to check) the working pressure is 30 psig. (max) temperature max= 120ºC (248ºF ) Referent to thermal shock, the inicial temperature is 32ºC and...
  3. Prestz

    tube glass, mawp? thickness?

    We have a stand for fluid steam demostration. There is steam traps with glass body and steel. I need know "theorical" equation for determinate the thickness o allowable pressure in a tube (cylindrical) of glass, specifically borosylicate 33. We working, in the laboratory with 30 psig max...
  4. Prestz

    steam supply (seamless or welded pipe)

    I know that the schedule and the fluid are important to determinate the kind of piping for an new installation. For steam supply in a common power plant 150# or 300#, what is it as the suggested pipe to install?, of course without considerer economical reason. (the seamless pipe is more...
  5. Prestz

    sizing boiler headers

    Is it rigth sizing a header boiler with velocity of steam 3000 fpm? what is the correct velocity in a header boiler according code? thanks

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