TSG D7006-2020 Pressure Pipe Supervision Inspection Regulation
TSG D7006-2020 Pressure Pipe Supervision Inspection Regulation
Basic Information
Scope
This rule applies to the supervision and inspection of the manufacturing process of the following pressure pipe components within the scope specified in the "Special Equipment Catalogue": submerged arc welded steel pipes, polyethylene pipes; gas pressure regulating devices, temperature and pressure reducing devices, prefabricated pipe sections, and flow meters (housing) in component assembly devices. This rule also applies to the supervision and inspection of the following construction processes of pressure pipes within the scope specified in the "Special Equipment Catalogue": installation process; modification or major repair (except for pipeline construction processes during emergency repairs), and the process of replacing the total length of pipes carrying the same medium with more than 100 meters at one time.