ybf03-2009 石油丶石化丶天然气及相关工业用钢制旋启式止回阀

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1、YBF03-2009石油丶石化丶天然气及相关工业用钢制旋启式止回阀VALVEDESIGN??????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

2、)forthepetroleum,petrochemicalandalliedindustries,MOD)2009-03-05发布2009-03-15实施永嘉县泵阀行业协会发布VALVEDESIGN??????40444436VALVEDESIGN??????40444436YBF03-2009目次前言…………………………………………………………………………………………………………Ⅲ1范围………………………………………………………………………………………………………12规范性引用文件……………………………………………

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

4、……………………………………………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…………………………………………

5、…………………………………………………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…………………………………………………………………………………………74.12.2启闭件密封试验………………

6、…………………………………………………………………75材料………………………………………………………………………………………………………85.1阀体和阀盖……………………………………………………………………………………………85.2阀座……………………………………………………………………………………………………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……

7、………………………………………………………………………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…………………………………………………………………………………96试验方法和检验规则…………………………………………………………………………………10IVALVEDESIGN??????40444436VALVEDESIGN??????40444436YBF03-20

8、096.1总则…………………………………………………………………………………………………106.2试验方法……………………………………………………………………………………………106.2.1压力试验…………………………………………………………………………………………106.2.2壳体壁厚测量……………………………………………………