Tuesday, May 2, 2017

Re: [MW:26497] Pressure Boundry in API -650 tanks


As stated in the Code, API 650 specifies  minimum requirements for the design, material, construction, and testing for aboveground, open and closed-top, cylindrical steel storage tanks in different capacities and sizes, roughly equating to the pressure of the atmosphere (not greater than the weight of the roof plates). For closed tops the roof may be cone, dome, umbrella or floating, with or without a fixed roof. If additional requirements are met, higher internal pressures are permitted.  API 650 only covers tanks that support the whole bottom evenly  and tanks in non-refrigerated service that have a maximum design temperature of 200 degrees F.  It stipulates  a minimum material thickness of 3/16 inch..



On Mon, May 1, 2017 at 7:01 PM, k7moorthi <k7moorthi75@gmail.com> wrote:
Dear Experts..............

Can you explain, what all are the pressure boundary in API-650 tank fabrication with reference from the code.

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