涉及温度范围为-75摄氏度至+800摄氏度的管道系统、管道系统、储罐、容器和设备的隔热选择、安装和饰面，但不包括预制预隔热设备、建筑物和冷库的结构隔热、防火结构、工厂的耐火衬里，机载装置和所有外部地下干线。

Deals with the selection, installation and finish of thermal insulation for pipework, ductwork, tanks, vessels, and equipment in the temperature range -75 degrees Celsius to +800 degrees Celsius, but excludes manufactured pre-insulated equipment, structural insulation of buildings and cold stores, fireproofing structures, refractory linings of plant, airborne installations and all external underground mains.