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S. <br /> Essential Ezr-scain rinci <br /> Maximum Pressure Rating based on Vessel Wall Thickness <br /> Vessel Description: 4x48 Material Vessel <br /> t= 0.065 in <br /> Actual wall thickness of vessel <br /> E= 1.0 -Welded Joints <br /> Joint Efficiency(Specified in UW-12,ASME BPVC VIII Division I) <br /> R= 1.94 in <br /> Inside radius of shell,in <br /> S= 20000 PSI <br /> Maximum allowable stress value <br /> (1)circumferential Stress: <br /> P= (S x E x t)/(R+0.6 x t) UG-27,Equation 1 <br /> Maximum allowable pressure <br /> P= 658.6 PSI <br /> (2)Longitudinal Stress: <br /> P= (2 x Sx Ex t)/(R-0.4x t) -UG-27,Equation 2 <br /> Maximum allowable pressure <br /> P= 1362.0 PSI <br /> Result <br /> The maximum allowable pressure for the 4x48 Material Vessel with a wall thickness of 0.065 inches is <br /> 658.6 psi. <br /> 5/3/2016 Project:1604144BrianKnopf_Extractor Page A9 <br />