Flanged shallow-dished heads

It should l>e emphasized that because of the high localized stresses due to the small inside-comer radius, the use of flanged and shallow dished heads and flanged and standard dished heads is not permitted in vessels which must meet pressure-code requirements. 

Table 5.5 gives the dimensions of flan d and shallow dished heads. Table 5.6 gives the dimensions of flanged and standard dished heads except for the radius of dish. The radius of dish varies with thickness and diameter, and... 

Table 5.5. Dimensions of Flanged and Shallow Dished Heads in Inches...

Figure 4-3. Various types of more common formed heads a, flanged only b, flanged and shallow dished c, flanged and standard dished d, ASME Code flanged and dished (torispherical) e, elliptical dished (ellipsoidal) f, hemispherical g, flanged and conical dished (toriconical).

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