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  1. Balukv

    Why should Bolt holes straddle centrelines of Vessels

    Why should Bolt holes of flanges straddle centrelines of pressure vessels ? I have noticed them in many standards and fabrication rules. Another question is on why Anchor Bolts of Skirts/Pressure vessels straddle centrelines. A reasoning I got was that straddled holes provided more space...
  2. Balukv

    How to decide between a slip on / weld neck flange?

    General practice in the Refinery sector is to use Weld neck flanges for all corrosive and high pressure applications. Hydrogen carrying services do not recommend Slip-on flanges for any class of rating. Slip-on flanges are used only on utility services like Water etc. For your service, a...
  3. Balukv

    Floating Roof Design

    How are Floating roofs of Storage tanks designed as per API 605 ? How to calculate the buoyancy of floating roofs ?
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