Diagrams
Gases of fluid group 1
● Pipelines according to Article 4 (a) (i) First dash
● Exception: unstable gases belonging to Categories I and II must be included in Category III.
I
II
III
Article 3
Paragraph 3
0,1
1
10
100
1000
10000
25
DN
PS = 0,5
350
1
10
100
1000
0,5
PS [bar]
D
N
=
2
5
D
N
=
1
0
0
D
N
=
1
0
0
D
N
=
3
5
0
PS
· D
N
=3
5
0
0
PS
· D
N
=1
0
0
0
Figure 11-1
Diagram 1
Gases of fluid group 2
● Pipelines according to Article 4 (a) (i) Second dash
● Exception: liquids at temperatures > 350 °C belonging to Category II must be included in
Category III.
I
II
III
Article 3
Paragraph 3
0,1
1
10
100
1000
10000
32
DN
PS = 0,5
250
2000
1
10
100
1000
0,5
PS [bar]
D
N
=
3
2
D
N
=
1
0
0
D
N
=
2
5
0
PS
· D
N
=
50
00
PS
· D
N
=
10
00
PS
· D
N
=
35
00
7000
Figure 11-2
Diagram 2
Technical data
11.12 PED
SITRANS FC330
210
Operating Instructions, 01/2019, A5E44030648-AB