NB/T 20169-2012 in English

Scope

This standard specifies the identification methods, identification procedures and document requirements for steam-driven auxiliary feed water pumps in second-generation improved pressurized water reactor nuclear power plants. This standard is applicable to the identification of steam-driven auxiliary feed water pumps in second-generation improved pressurized water reactor nuclear power plants with coaxial turbines and pumps. Its equipment scope covers pumps, steam turbines, main steam valves, and regulating mechanis s (except for regulating mechanis s driven by external power). , brackets, bases and anchor bolts, bearing lubrication and sealing systems, etc. Pump accessories, such as non-metallic parts (such as O-rings, etc.) and electrical equipment are not within the scope of this standard. Other heap types refer to the execution.