YBFYBF03-2009石油、石化、天然气及相关工业用钢制旋启式止回阀Steelswingcheckvalvesforpetroleum,petrochemical,naturalgasandalliedindustries(BS1868:1975(R1990)Specificationforsteelcheckvalves(flangedandbutt-weldingends)forthepetroleum,petrochemicalandalliedindustries,MOD)2009-03-05发布2009-03-15实施永嘉县泵阀行业协会发布永嘉县泵阀行业协会联盟标准群号：群号：群号：群号：YBF03-2009I目次前言…………………………………………………………………………………………………………Ⅲ1范围………………………………………………………………………………………………………12规范性引用文件…………………………………………………………………………………………13结构型式…………………………………………………………………………………………………14技术要求…………………………………………………………………………………………………34.1压力-温度额定值……………………………………………………………………………………34.2结构长度………………………………………………………………………………………………34.3连接端…………………………………………………………………………………………………34.4阀体……………………………………………………………………………………………………34.5阀盖……………………………………………………………………………………………………54.6阀体与阀盖的连接面…………………………………………………………………………………54.7阀体与阀盖的连接螺柱………………………………………………………………………………54.8阀瓣……………………………………………………………………………………………………64.9弹性密封………………………………………………………………………………………………64.10特殊配件……………………………………………………………………………………………64.11无损检测……………………………………………………………………………………………64.11.1焊接连接端的焊接部位…………………………………………………………………………64.11.2阀体和阀盖的承压部位…………………………………………………………………………64.12压力试验……………………………………………………………………………………………74.12.1壳体试验…………...
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