Technical Data
Di = Do – 2t
CR = Di / 1,16
KR = Di / 5,39
SF = according NFE 81-103
DH = Di / 3,8
THi = SF+DH
D0 = external head diameter
Di = internal head diameter
CR = crown radius
KR = knuckle radius
SF = straight flange height
DH = depth of dishing
THi = total internal head height
t = wall thickness
