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' r <br /> E=sential Process Engineering <br /> Minimum Thickness of Torispherical Head (Pressure on Concave Side) <br /> Vessel Description: Collection Vessel <br /> Head Thickness: 0.109 in -Actual head thickness of vessel <br /> Material: 304 Stainless Steel <br /> E= 1.0 -Clamped Joint <br /> Joint Efficiency(Specified in UW-12,ASME BPVC VIII Division I) <br /> P = 100 PSI <br /> Internal design pressure <br /> L= 12.00 in <br /> Inside spherical or crown radius <br /> S= 20000 PSI <br /> Maximum allowable stress value <br /> t= (0.885xPxL)/(SxE-0.1xP) -UG-32, Equation 2 <br /> Minimum required head thickness <br /> t= 0.053 in <br /> Result <br /> The Collection Vessel meets ASME BPVC VIII Division 1 requirements for torispherical head thickness <br /> of pressure vessels at 100 psi. <br /> Torispherical Head Diagram <br /> • <br /> TORISPHERICAL HEAD <br /> (DIN 28011 + 28012) <br /> R = Da r = O.l Da <br /> h 3.5 s <br /> h2 0.1935 Da — 0,455s <br /> 5/3/2016 Project: 160414_Brian Knopf_Extractor Page A5 <br />