Equipment classification
Thread Content
The design pressure is 9.9 Mpa, while the test pressure exceeds 10 Mpa. According to the requirements of pressure vessel regulations, should it be classified as a Class 2 or Class 3 vessel? Dear sea friends, how is this situation usually classified?
First, by understanding Figures A-1 and A-2 in Appendix A of TSG 21-2016 \"Regulations on Safety Inspection of Fixed Pressure Vessels\", one can figure out how to classify them; the pressure mentioned therein is based on the design pressure: victory:
Wrong! Classify by design pressure!
The classification should already be indicated on the equipment’s nameplate at the time of manufacture; it’s not something you or your supervisor decide