This specification is applicable to the construction and acceptance of various types of direct and indirect heating furnaces in oil fields, joint stations, oil depots, and long-distance pipeline heating stations. It can also be used for the construction and acceptance of heating furnaces in gas fields.
SY/T 0404-1998 history
2016SY/T 0404-2016 Construction specifications for heating furnace installation projects
1999SY/T 0404-1998 Heating furnace construction and acceptance specification