ASME - ANSI B16.30
B16.30 Unfired Pressure Vessel Flange Dimensions
|Publication Date:||1 January 1969|
To provide dimensions for unfired pressure vessel flanges based on the ASME Unified Pressure Vessel (UPV) code formulas and specifications and on proportions established by design practices of many large industrial users.
To provide enough size and pressure choices to include the majority of the vessels used.
To provide the most economical flanges consistent with satisfactory installation and operation.
To provide a design which permits the use of a wide variety of gasket materials.
To establish interchangeability among loose-type (example: ASME UPV code illustration UA-48-1a)* and welded-type (example: ASME UPV illustration UA 48-8a) for equivalent vessel-diameters and operating pressures.