This standard specifies the construction technical requirements, construction methods and quality requirements for petrochemical equipment and pipeline insulation projects. This standard applies to the construction of above-ground and underground equipment and pipeline insulation projects with design temperatures of -196°C to 850°C in new construction, reconstruction and expansion projects of chemical plants using natural gas, liquefied gas, etc. as raw materials in petrochemical industry, coal chemical industry and chemical industry.
SH/T 3522-2017 history
2018SH/T 3522-2017 Construction Technical Regulations for Thermal Insulation Engineering in Petrochemical Industry
2004SH/T 3522-2003 Construction standard for heat insulation work in petrochemical industry