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