Forming
TYPES OF UEC. FORMED HEADS
|
TYPE
|
No.
|
FIGURE
|
SYMBOL
|
DIMENSION
|
|
R
|
r
|
|
Flange only Head Plate
|
1
|
|
FH
|
-
|
 3t |
|
Flange and Shallow Dished Head Plate
|
2
|
|
-
|
1.5D
|
0.06D
|
|
1:10 Standard flange and Dished Head Plate
|
3
|
|
SD
|
D
|
0.1D
|
|
2:1 Elliptical Dished Head Plate
|
4
|
|
ED
|
-
|
-
|
|
2:1 Approximate Elliptical Dished
Head Plate
|
5
|
AD
|
0.94-0.9045
D
|
0.1727D
|
|
Deep Dished
|
6
|
|
DD
|
0.8D
|
0.155D
|
|
Hemispherical
|
7
|
|
HH
|
0.5D
|
-
|
|
Flange and Conic Head Plate
|
8
|
|
G
|
-
|
0.06D
|
|
Dished only head mono dished
|
9
|
|
D
|
1.0D
|
-
|
|
Flared & dished
|
10
|
|
F
|
1.0D
|
0.06D
|
1=20...t 7
|
1=3t...7
 t13
|
1=38...13t
|
|
|
NOTATIONS AND NAMES
FOR VARIOUS PARTS OF HEADS.
|
t
|
Thickness |
|
D
|
Inside
Diameter |
|
OD
|
Outside
Diameter |
|
R
|
Crown
Radius |
|
r
|
Knuckle
Radius |
|
l
|
Length
of Flange |
|
H
|
Height |
|
TL
|
Tangent
Line |
|
|
