Including the national technical standards for safety as follows:
+ TCVN 6153:1996: Pressure vesels - Safe technical requirements for design, structure, manufacture.
+ TCVN 6154:1996: Pressure vesels - Safe technical requirements for design, structure, manufacture, method of testing.
+ TCVN 6155:1996: Pressure vesels - Safe technical requirements for installation, use, repair.
+ TCVN 6156:1966: Pressure vesels - Safe technical requirements for installation, use, repair, method of testing.
+ TCVN 6008:1995: Pressure equipment – Weld joint with technical requirements and checking methods.
+ TCVN 7472-2005: Pressure equipment – Joint weld.