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Informations about the pressure vessel derating procedure

Informations about the pressure vessel derating procedure

Informations about the pressure vessel derating procedure

(OP)
nab03 (Visitor) Oct 30, 2001
Corroded Area of considerable size in the form of grooves (380x200mm, 530x150mm and 960x220mm) were found on the bottom side of a pressure vessel.
 asking about derating procedures with respect to API510 espetially Chap 5.7 point f (ASME code section VIII, div 2 appendix4.
General informations about the pressure vessel:
Pression service max = 31.6 bar
Pression Hydrostatique = 47.4 bar
Température = 100 °c
Pression actuel of operating = 28 bar
Initial thickness = 28.5 mm
Diameter = 1850 mm
Joint efficiency = 0.9

Maximal Depth mesurment = 8.4 mm
Thank you

Please my e-mail: merghit@hotmail.com
 

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