R = D; r = 0,1 D
h1 > 3,5 s; h2 = 0,1935 D - 0,455 s

D: Ø168,3 ...Ø4400
s: 2...60
(The thickness depends on the radius and on the diameter)

Semi-ellipsoidal
(DIN 28 013)

R = 0,8 D; r = 0,154 D
h1 > 3 s; h2 = 0,255 D - 0,635 s

D: Ø168,3 ...Ø4000
s: 3...30
(The thickness depends on the radius and on the diameter)

Standard-type
(EN 12285-1, -2; DIN 6608-1, -2; DIN 6616)

R = D; r = D / 30

D: Ø1400 ...Ø4400
s: 4...20

Elliptical
NF E81-103 or ASME VIII/Div.1

a: b = 1,9 : 1; or 2 : 1 (elliptic cross-section)

D: Ø1400...Ø4000
s: 6...20

Plate-type head

D1: Ø168,3...Ø3800
D2: Ø273...Ø4000
s: 2...30 (depending on the diameter)
R = D1

Convex disc
(Plate type head without rim D2=D1)

D1: Ø168,3...Ø4500
s: 2...30 (depending on the diameter)
R = D1