T/NXJX 028-2022 Active Group standards

T/NXJX 028-2022 Control valve maintenance and inspection technical specifications

Publish Date: 2022-08-29 Implement Date: 2022-09-28 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/NXJX 028-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Instruments and meters

ICS Name: \nValve Comprehensive

Publish Date: 2022-08-29

Implement Date: 2022-09-28

Scope

Scope: This document specifies the requirements for the offline and disassembly inspection process, the repair process, assembly, accessory connection and adjustment, testing, anti-corrosion, packaging, transportation, storage, and the entire repair and maintenance process of pneumatic and electric control valves. This document is applicable to the repair and maintenance process of various types of control valves used in oil field extraction, pipeline transportation, petrochemical, and coal chemical industries; Main technical content: This document specifies the requirements for the offline and disassembly inspection process, the repair process, assembly, accessory connection and adjustment, testing, anti-corrosion, packaging, transportation, storage, and the entire repair and maintenance process of pneumatic and electric control valves.