Catalogue

Dimensions of flanges EN 1092-1 Welding neck type-11 pn 100
surface B1 and phonographic rules for gasket tightness


DN
D i a m e t e r s
Bolts
outside
bolt
bolt
Nr
Type
External
Thickness
Surface
Measure
Diam.
Surface
Radius
Thickness
Net
circle
holes
diameter
of the
for
of
weight
dof welding
basis
gasket
neck
neck
mm
neck
toghtness
D
K
L
A
C2
f1
H2
H3
N1
d1
R1
S
Kg
15
105
75
14
4
M12
21,3
20
2
45
6
34
45
2,5
3,2
1,36
20
130
90
18
4
M16
26,9
22
2
48
8
42
58
2,5
3,2
2,20
25
140
100
18
4
M16
33,7
24
2
58
8
52
68
2,5
3,6
2,63
32
155
110
22
4
M20
42,4
24
2
60
8
62
78
2,5
3,6
3,01
40
170
125
22
4
M20
48,3
26
3
62
10
70
88
2,5
3,6
3,99
50
195
145
26
4
M24
60,3
28
3
68
10
90
102
2,5
4
5,20
 * Thickness tolerance for steel flanges worked on each surface !