This standard establishes the design legends for petrochemical piping projects. This standard applies to the basic engineering design and detailed engineering design of piping for petrochemical new construction, expansion, reconstruction and other construction projects. Other piping projects can be implemented as a reference.
SH/T 3052-2004 history
2014SH/T 3052-2014 Symbols of piping engineering in petrochemical industry
2004SH/T 3052-2004 Legend of piping engineering in petrochemical industry