CR Do
KR 0,1 x Do
SF 3,5 x t
DH 0,1935 x Do - 0,455 x t
THi SF + DH
Legend Torispherical Head
t = wall thickness
Do = outside diameter
Di = inside diameter
CR = crown radius
KR = knuckle radius
SF = straight flange height
DH = dished height
THi = total height inside
