This standard specifies the basic capability requirements for units engaged in chemical cleaning of thermal equipment in power plants. This standard applies to chemical cleaning units, power plants and other related units.
DL/T 977-2005 history
2013DL/T 977-2013 Managerial regulations for enterprise undertaking chemical cleaning of thermal equipment in power plant
2005DL/T 977-2005 Managerial regulations for enterprise undertaking chemical cleaning of thermal equipment in power plant