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Hi go to PVeng.com and download the spreadsheet which give the data available in Megyeseys book in softform.

TYPICAL VORTEX BREAKER DIMENSIONS ARE 1) NOMINAL DIAMETER OF NOZZLE SIZE + 150MM AS TOP DISC DIAMETER AND THE VORTEX BREAKER HEIGHT WILL BE NOMINAL DIAMETER OF NOZZLE 2) OTHER TYPE IS HAVING THE TOP DISC DIAMETER AS 2 TIMES THE NOMINAL DIAMETER OF NOZZLE AND THE HEIGHT OF VORTEX BREAKER IS ONE...

HI IF YOU REFER EIL STANDARDS (INDIAN REFINERY CONSULTANTS) FOR STANDARD FLANGE FACES YOU NEED NOT TAKE CORROSION ALLOWANCE. BUT WHEN YOU DESIGN A GIRTH FLANGE YOU NEED TO TAKE CORROSION ALLOWANCE IN BOTH DIAMETER AND FLANGE FACES.

Hi Talking of allowable stress in WRC analysis, could some one clear this, what is the philosophy of allowable stress is it, 1) 3 times the allowable stress value as per Div 1 or 2) 3 times the stress intensity value as per Div 2 Thanks in advance

Hi The best method is to get a chart from your manufacturer based on the thickness. As a thumb rule 15% is sufficient.

Hi In general both are designed by the same code. Well may be to differentiate vessels can be horizontal and vertical type. But column are only vertical type. In India general thumbrule is if H/D is more than 5 it is called as column. Columns are used for mainly mass transfer purpose as it...

Hi As per Sec.VIII Div I only nozzles above 2" (2" not included) should be reinforced. As a good practice 2" (inclusive) and below sized nozzles are stiffened at 90° apart.

Hi I think PVELITE software has an option for these openings. I think obround opening is sort of a elliptical opening typically the one for the feed nozzle for crude columns.

Hi One method is refer the book Pressure vessel Handbook by Megyessy. This book gives formulas and charts for calculating the volume in dished ends in both vertical and horizontal condition.