标准号:ANSI Z21.22-1999
中文标准名称:热水供给系统用安全阀(与CSA 4.4-1998相同)
英文标准名称:Relief Valves for Hot Water Supply Systems (same as CSA 4.4-1998)
标准类型:Q83
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:Q83
国际标准分类号:23.060.10
适用范围:Details test and examination criteria for: 1.Temperature relief valves and combination temperature and pressure relief valves for use on storage tanks of hot water supply systems without heater input limitation; 2.Valves having only pressure relief featu