This document specifies the types and structural types, installation requirements, selection requirements, basic requirements, calculation of minimum flow capacity for safety and rated capacity, requirements for the determination of operating pressure or operating temperature, as well as marking, installation, and maintenance of pressure relief devices for gas cylinders. This document applies to gas cylinders of various structures and types containing various gases.
Basic Data
Standard ID
GB/T 33215-2025 (GB/T33215-2025)
Description (Translated English)
Pressure relief devices for gas cylinders
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J74
Classification of International Standard
23.020.30
Word Count Estimation
22,284
Date of Issue
2025-08-29
Date of Implementation
2026-03-01
Older Standard (superseded by this standard)
GB/T 33215-2016
Issuing agency(ies)
State Administration for Market Regulation, National Standardization Administration
