Heads and Bottoms

Torispherical

(DIN 28 011; NF E81/102 (GRC) )

R=D; r=0,1D

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

D: ⌀168,3 ...⌀4000 s: 1..60

(The thickness depends on the radius and on the diameter.)

Semi-ellipsoidal

(DIN 28 013)

R = 0,8 0; r = 0,154 D

h1 > 3 s; h2 = 0,255 D - 0,635 s

D: ⌀168,3 .⌀4000 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: ⌀1400 - ⌀4400

s: 4.,,20

Elliptical

NF E81-103 or ASME VIII/Div.1

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

D: ⌀1400...⌀4000 s: 6...20

Plate-type head

D1: ⌀168,3...⌀3800

D: ⌀273...⌀4000

s: 2...30 (depending on the diameter)

R = D1

Convex disc

Plate type head without rim D2=D1

D: ⌀168,3... ⌀4500

s: 2...30 (depending on the diameter)

R = D

Segments For Spherical Tanks

Segments For Spherical Tanks