GB/T 28636-2012 in English

《GB/T 28636-2012采暖与空调系统水力平衡阀》由TC143（全国暖通空调及净化设备标准化技术委员会）归口，主管部门为住房和城乡建设部。

Scope

This standard specifies the terms and definitions, structures, classifications, specifications, nominal pressure and models, materials, requirements, test methods, inspection rules, signs, instruction manuals and qualifications of hydraulic balance valves for heating and air-conditioning systems (hereinafter referred to as balance valves). certification, packaging, transportation and storage, etc. This standard applies to the hydraulic balance valve of the circulating water system adjusted by manually changing the local resistance in the central heating and air conditioning circulating water (or ethylene glycol aqueous solution); The working temperature is -10℃～130℃.