This specification is applicable to the insulation of high-temperature pipelines with a nominal diameter of 50mm to 1400mm, a transmission medium temperature in the range of 120°C to 350°C, and a working pipe pressure not greater than 2.5MPa.
SY/T 0324-2014 history
2014SY/T 0324-2014 Technical specification for thermal insulation of directly buried high temperature steel pipeline
2001SY/T 0324-2001 Specification of construction and acceptance of heat insulation for buried high temperatrue steel pipeline