Siemens SITRANS P300 Operating Instructions Manual page 140

Appendix
A.3 Pressure equipment directive
• Gases of fluid group 1
• Pipelines according to Article 3 Number 1.3 Letter a) First dash
• Exception: unstable gases belonging to Categories I and II
must be included in Category III.
• Liquids of fluid group 1
• Pipelines according to Article 3 Number 1.3 Letter b) First dash
Figure A-3 Pressure equipment directive, sheet 3
A-8
• Gases of fluid group 2
• Pipelines according to Article 3 Number 1.3 Letter a) Second
dash
• Exception: liquids at temperatures > 350 °C belonging to Cat-
egory II must be included in Category III.
• Liquids of fluid group 2
• Pipelines according to Article 3 Number 1.3 Letter b) Second
dash
SITRANS P300 with HART communication
Operating Instructions, 06/2005, A5E00359579-02