Standard Number: NB/T 20372-2016(NB/T20372-2016)
Chinese:压水堆核电厂反应堆控制棒驱动机构安装技术规程
English:Technical Specification for Installation of Reactor Control Rod Drive Mechanism in Pressurized Water Reactor Nuclear Power Plants
Effective Date:2016-07-01
Standard Applicability:This standard specifies the pressurized water reactor nuclear power plant installation stage reactor control rod drive mechanism installation of the basic requirements. This standard applies to pressurized water reactor nuclear power plant using trapezoidal threads and drive mechanism tube seat coupling and through the CANOPY weld welding sealing structure of the reactor stepping magnetic lifting type control rod drive mechanism (referred to as the drive mechanism) installation, including the drive mechanism pressure-resistant shell (built-in hook and claw assembly), the heat insulation sleeve assembly, the coil assembly and the rod position detector assembly in the reactor pressure vessel CRDM tube seat (referred to as). Basic requirements for the assembly, welding and hydrotesting of the CRDM tube holder and the installation of the drive rod assembly on the reactor components.
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