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  • Users: RBKN
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  1. RBKN

    Bolted cover for studding outlet

    I am redesigning a vertical Sec VIII Div 1 Vessel (24" OD x 48" OAH with ASME Elliptical head on both ends ) MAWP: 600psi @ 300 deg F There is a studding outlet ( 18.75" OD x 13" ID, with 16 drill&tap holes at 16.25" BCD ) on the top head. I want to add a cover to this studding outlet using...
  2. RBKN

    Bolted Cover for a studding outlet

    I am redesigning a vertical Sec VIII Div 1 Vessel (24" OD x 48" OAH with ASME Elliptical head on both ends ) MAWP: 600psi @ 300 deg F There is a studding outlet ( 18.75" OD x 13" ID, with 16 drill&tap holes at 16.25" BCD ) on the top head. I want to add a cover to this studding outlet using...
  3. RBKN

    API 650 Flange class selection

    I am designing an API 650 tank for the first time and have loads given for a 4" nozzle with RFWN flange. Is there a section in API 650 giving guidelines to select the class of flange to be used?( if it were ASME section VIII Div 1 I would have to use a 300# under these conditions) I looked at...
  4. RBKN

    UW-21 External fillet size

    I have a nozzle with slip on flange and the required thickness as per design calculation is satisfied by a pipe with 1/2" Nominal wall thickness. We have a pipe with wall thickness of 1.031" in stock. If I decide to use this thicker wall pipe, do i still have to comply with UW-21 for the...

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