T/CNEA 020-2022 Active Group standards

T/CNEA 020-2022 Guidelines for commissioning of pilot-operated safety valves in pressurized water reactor nuclear power plants

Publish Date: 2022-06-15 Implement Date: 2022-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CNEA 020-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other valves

Publish Date: 2022-06-15

Implement Date: 2022-08-01

Scope

Main technical content: The main technical content includes the explanations of the specialized terms of pilot safety valves, the debugging test items and acceptance criteria, the basis for debugging, the preparation and prerequisites for debugging, the control of the debugging process, the evaluation of the acceptance results, and the requirements for the debugging report. The scope of application is the debugging of pilot safety valves with direct spring load, which is important for the shutdown and power reduction of nuclear power units. It provides technical guidance and rules for conducting tests on the action performance, sealing performance, and switching feedback signals of pilot valves. All parties involved in the test agree to accept the provisions of these guidelines, and these guidelines can also be applied to other safety valves.