Standard for the number of sheets for thermal pipeline flaw detection

Not less than 100 sheets. The heating pipe network, also known as the heating pipe, is a heating pipe from the heat source, from the boiler room, direct-fired engine room, heating center to the heating entrance of the building. The number of thermal pipeline flaw detection sheets shall not be less than 100. Flaw detection, also known as flaw detection, refers to the detection of cracks or defects in metal materials or components.