YBF03-2009 石油、石化、天然气及相关工业用钢制旋启式止回阀_.pdf

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1、VALVEDESIGNQQ群号：40444436YBF永嘉县泵阀行业协会联盟标准YBF03-2009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)

2、2009-03-05发布2009-03-15实施永嘉县泵阀行业协会发布VALVEDESIGNQQ群号：40444436VALVEDESIGNQQ群号：40444436YBF03-2009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…………………………

3、………………………………………………………………………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…………………………………………………………

4、………………………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

5、体和阀盖的承压部位…………………………………………………………………………64.12压力试验……………………………………………………………………………………………74.12.1壳体试验…………………………………………………………………………………………74.12.2启闭件密封试验…………………………………………………………………………………75材料………………………………………………………………………………………………………85.1阀体和阀盖……………………………………………………………………………………………85.2阀座………………………………………………

6、……………………………………………………95.3阀瓣……………………………………………………………………………………………………95.4摇杆、支架和销轴……………………………………………………………………………………95.5阀体与阀盖连接螺柱和螺母……………………………………………………………………………95.6螺塞……………………………………………………………………………………………………95.7阀瓣和阀座密封面堆焊面……………………………………………………………………………95.8阀体与阀盖连接垫片…………………………………………………………………………

7、………96试验方法和检验规则…………………………………………………………………………………10I标准分享网www.bzfxw.com免费下载VALVEDESIGNQQ群号：40444436VALVEDESIGNQQ群号：40444436YBF03-20096.1总则…………………………………………………………………………………………………106.2试验方法……………………………………………………………………………………………106.2.1压力试验…………………………………………………………………………………………106.2.2壳体壁厚测量…………………………

8、…………………………………………………………106.