Guidebook for the Design of ASME Section VIII Pressure Vessels
3 Spherical Shells, Heads, and Transition Sections
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Sections VIII-1 and VIII-2 contain rules for the design of spherical shells, heads and transition sections. Head configurations include spherical, hemispherical, torispherical, and ellipsoidal shapes. Transition sections include conical and toriconical shapes. The design rules for most of these shapes differ significantly in VIII-1 and VII-2. This difference is due to the design approach used in developing the equations for VIII-1 and VIII-2. In this chapter a brief description of the various kinds of heads is given.