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How To Get Maximum Pressure Test ( Piping ) 1

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AliGrailly

Mechanical
Dec 8, 2020
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In The Line List Specified Min And Max Of Pressure Testing , I Calculated Min But Could Not Get The Max Of it

Data :

Design Pressure : 1667.934 psi
Design Temp : 347F
Size : 10 in
Mat A333-6
Sch100 with thk tolerance and corrosion allowance ref to b36.10
Design thk=0.434in
Asme B31.3

In Line List :
For 10 inch And 20 in Also

Min : 173 Bar / Max : 229.8 Bar

I want to know how did get the 229.8 Bar?

In B16.5 Class 900# Working Pressure Is 131.4 And 131.4x1.5=197.1 But Not 229.8 !!!
 
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The max hydro of 229.8 Bar is calculated from B16.5 Class 900 working pressure at the "room temperature", i.e. 153.2 Bar. And then, the max pressure of the hydro test at room temperature is 153.2 x 1.5 = 229.8 Bar.
 
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