Code for Inspection of Pressure Vessels in Power Station Boilers DL647-2004

Author: National Development and Reform Commission of the People's Republic of China
Publisher:
Publish Date: 2004-06-01
Features: This standard specifies the content and corresponding requirements for inspection work in three stages—equipment manufacturing, installation, and in-service—of power station boiler, steam-turbine power system pressure vessels, and main steam-water pipelines.
This standard applies to power station boilers, steam-turbine power system pressure vessels, and main steam-water pipelines with rated steam pressure equal to or greater than 3.8 MPa. Power station boilers, steam-turbine power system pressure vessels, and main steam-water pipelines with rated steam pressure less than 3.8 MPa may refer to this standard for implementation.