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  1. AlexRG

    External Pressure on Vessel

    One more thing, wich part of ASME code states that I should use full vacum design??. the vessel has an operation pressure range of -0.2/1.0 BAR(g). In this case should I use 14.7 psi of external pressure??? Thanks
  2. AlexRG

    External Pressure on Vessel

    Thank You!!!
  3. AlexRG

    External Pressure on Vessel

    Hi.. Im currently using pv elite as the software aproved by the client, but im getting an error, induced by external pressure. I would like to know if it is mandatory to run an external pressure design on the vessel, using 14.7 psi as the external pressure, the issue its that im obtaning a shell...
  4. AlexRG

    Local Stress at Toriespherical Head

    I am working on the design of a vessel that has torispherical heads and im having a litlle trouble about it. With a design load of 15 psi the calculated head thickness is around 5/16". This was calculated using the general vessel formulas from table 2-1 of the Pressure Vessel Design Manual by...
  5. AlexRG

    Design Pressure of A36 at design temp.

    Hi, in the design of pressure vessels, the data sheet of the pressure vessel says "Design Pressure of A36 at design temp.". the question its where I can find that value?,in wich table of wich rule or Code.
  6. AlexRG

    Rafters and Columns Required.

    In the designing of Water Storage tank, is there a rule or method of determining if its necessary, to use columns and rafters?. I have a Tank with 16 feet x 23 feet and a conical "self supported" roof of 3/16" thick, and a Tan 20º of slope. Thanks.
  7. AlexRG

    Water storage Tank

    ok thanks for your advice, and by the way, its 16 FEET x 22 FEET, sorry about that.
  8. AlexRG

    Water storage Tank

    yes its a small tank, about 16" of diameter and 22" of height, the material to be used its A-36 carbon steel. Its a ground supported water storage tank.
  9. AlexRG

    Paraffin Tanks Steam Coils

    Hi, im designing an paraffin storage tank, but in order to make the contents allowable to be pumped, a steam coil system will be used. HOW DO I DESIGN A STEAM COIL SYSTEM, its there any information available to do this, any rules or something??. the steam passing thru the coil its saturated at...
  10. AlexRG

    Water storage Tank

    Hi, im designing a water storage tank, can i use the API-650 to do all the calculations??
  11. AlexRG

    Anchor Bolts lenght

    Hi. Im designing an API-650 storage tank, the calcs say that the tank must be anchored, the problem it that I dont know how to calculate the lenght of the anchor bolts, in order to design the foundation. any guidelines??, rules or something??. help please. Alex
  12. AlexRG

    API 650 TANK anchor bolts saddle design

    Sorry I Mean anchor bolt chairs on a vertical tank. Thanks.
  13. AlexRG

    API 650 TANK anchor bolts saddle design

    hi, is there a recomended method or specification by any rule, to design the saddles in anchored aboveground tanks?? Thanks
  14. AlexRG

    API 650 TANK anchor bolts saddle design

    hi, is there a recomended method or specification by any rule, to design the saddles in anchored aboveground tanks?? Thanks.
  15. AlexRG

    Allowable defects on beams

    Hi, some of the beams we adquired for the construction of a skid, came withs "details" so its there a rule or a specification, that describe the allowable defects on beams?. One of the beams came with a scratch of 0.6 mms deep, on the web section. the question its if we can use that beam or just...
  16. AlexRG

    WIND LOAD ON TANKS

    it helped a lot. thanks, and by the way, I got the addendum 4, and it changed everithing. thanks again.
  17. AlexRG

    WIND LOAD ON TANKS

    Hi, we are designing a Storage Tank under API STD 650, but we dont have very clear how to calculate the wind moment as its described in 3.11. Anything would be apreciated. Thanks
  18. AlexRG

    WIND LOAD ON TANKS

    Hi, we are designing a Storage Tank under API STD 650, but we dont have very clear how to calculate the wind moment as its described in 3.11. Anything would be apreciated. Thanks

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