NB/T 20424-2017
Set requirement for flow restrictors in nuclear power plant (English Version)

Standard No.

NB/T 20424-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

Professional Standard - Energy

Latest

NB/T 20424-2017

Scope

This standard specifies the installation requirements and pressure drop calculation methods for restrictor orifice plates used in pressurized water reactor nuclear power plants. This standard is applicable to the setting of flow-limiting orifice plates in process system piping of pressurized water reactor nuclear power plants.

NB/T 20424-2017 Referenced Document

• GB/T 2624.2-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 2: Orifice plates

NB/T 20424-2017 history

• 2017 NB/T 20424-2017 Set requirement for flow restrictors in nuclear power plant