QB/T 2909-2007 in English

本标准规定了用于封闭承压式热水器（系统）的温度压力安全保护阀的定义、命名与结构、技术要求、试验方法、检验规则、标志、包装、运输和贮存、使用说明书。本标准适用于连续运行温度不超过85℃、紧急状态下温度不超过99℃，工作压力不超过1400kPa、泄荷流道直径为DN15~DN50的各种温度压力安全保护阀。

Scope

This standard specifies the definition, naming and structure, technical requirements, test methods, inspection rules and signs, packaging, transportation, storage, and instructions for use of temperature and pressure safety protection valves for closed pressure water heaters (systems). This standard is applicable to various temperature and pressure safety protection valves with continuous operating temperature not exceeding 85℃, emergency temperature not exceeding 99℃, working pressure not exceeding 1400kPa, and load relief flow channel diameter DN15~DN50.