This regulation stipulates the technical requirements for the construction of petrochemical automation instrumentation projects. This procedure is applicable to the construction of automated instrumentation projects in new and expanded petrochemical industries. Renovation projects can be implemented as a reference.
SH/T 3521-2007 history
2013SH/T 3521-2013 Technical specification for construction of instrumentation engineering in petrochemical industry
2007SH/T 3521-2007 Technical specincation for construction of instrumentation engineering in petrochemical industry
1999SH 3521-1999 Technical code of construction of instrumentation engineering for petrochemical industry