T/TZSB 005-2025 Active Group standards

T/TZSB 005-2025 Guidelines for the Regular Calibration and Evaluation of Safety Valves Used in Petrochemical Complete Plants

T/TZSB 005-2025

Publish Date: 2025-05-16 Implement Date: 2025-06-15 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/TZSB 005-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Overvoltage protection

Publish Date: 2025-05-16

Implement Date: 2025-06-15

Scope

Main technical content: This document specifies the requirements for online calibration, offline calibration, quantitative risk assessment, and long-term continuous operation evaluation of safety valves used in petrochemical complete sets of equipment. This document is applicable to safety valves with a nominal diameter of DN15mm to 400mm, a set pressure of 0.1MPa to 32.0MPa, and a temperature of less than 550℃, which are used in boilers, pressure vessels, and pressure pipelines of petrochemical complete sets of equipment.