dish types
TRANSCRIPT
Legenda:
R Dishing radius
r Flanging radius
D External diameter
s Plate thickness
h1 Straight flange
Pos. Head shape Basic specs. Head type
A
R = on requestSperical cap ("Dished only")
B
r = 15 - 60 mmh1 ~ 20 - 35 mm
Flanged flat head ("flanged only")
C
R = 1,2 - 2 Dr = 15 - 60 mmh1 ~ 20 - 35 mm
Flat dished + flanged head
D
R = Dr = 15 - 60 mmh1 ~ 20 - 35 mm
Standard dished + flanged head
E
R = Dr = 0,033 Dh1 ~ 20 - 35 mm
Storage tank head(DIN 6608 + 6616)
F
R = Dr = 0,1 Dh1 ≥ 3,5 s
Torispherical head(DIN 28011 + 28012)
G
R = 0,8 Dr = 0,154 Dh1 ≥ 3,5 s
Semi-elliptical head, 2:1 ratio(DIN 28013 + 28014)
H H = on requestr = on request Conical head
I R = Dr ~ 5 s
Diffusor head
L R = on request Dished + Flared head
M R = on request Hemispherical head
NAME OF SECTIONAL SHAPE OF FORMED HEADSDefinition of Name, Symbol, Shape of HEAD PLATES
Symbol Name Symbol Name
t Plate thickness I Length of Skirt Part
D Inside Diameter H Height
R Inside Crown Radius T.L Tangent Line
r Inside Knuckle Radius * *
Name and sectional shape
Nominal notationand dimensions
Name and sectional shape
Nominal notation
and dimensions
Flanged only Head Plate FHr >or= 3t
Head Plate for Under Ground Tank
UD D = 1440 t = 6 R = 2160 r = 30 H = 165
Standard Flanged and DishedHead Plate
SDR = Dr = 0.1 Dh = 0.194 D
Bending for Jacket *
Ellipsoidal Dished Head Plate
EDR = 2 : 1 ellipsoidalr curveh = 1/4 D
Approximate Ellipsoidal DishedHead Plate
ADR = 0.9045 Dr = 0.1727 Dh = 1/4 D
Conical
CD
Flanged & Deep Dished Head Plate
DDR = 0.8 Dr = 0.155 Dh = 0.255 D
* *
Dished Only Head Plate DRR/D >or= 0.8
Flanged & Reverse DishedHead Plate
WDR >or= Dr <or= 0.1 D
Shallow Dished Head Plate MDR >or= Dr <or= 0.1 D
* *
Name and sectional shape
Nominal notationand dimensions
Name and sectional shape
Nominal notation
and dimensions
Hemispherical Head Plate
HHR = 0.5 D
Shallow Dished Head Plate
XDR , r dimensionsother than forAD, DD, and MD
Cap CA R = 0.9045 D r = 0.1727 D h = 1/4 DThis is the sameshape as AD
*
*