标准编号：ISO 4126-7:2013
中文名称：过压保护用安全装置 第7部分：公共数据
英文名称：Safety devices for protection against excessive pressure — Part 7: Common data
发布日期：2013-07
标准范围
This part of ISO 4126 specifies requirements for safety valves. It contains information which is common to ISO 4126-1 to ISO 4126-6 to avoid unnecessary repetition.For flashing liquids or two-phase mixtures, see ISO 4126-10.The user is cautioned that it is not recommended to use the ideal gas formula presented in 6.3 when the relieving temperature is greater than 90 % of the thermodynamic critical temperature and the relieving pressure is greater than 50 % of the thermodynamic critical pressure. Additionally, condensation is notconsidered. If condensation occurs, the method presented in 6.3 should not be used.
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