YBF02-2009石油、石化、天然气及相关工业用钢制截止阀和升降式止回阀.pdf

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1、VALVEDESIGNQQ群号：40444436YBF永嘉县泵阀行业协会联盟标准YBF02-2009石油、石化、天然气及相关工业用钢制截止阀和升降式止回阀Steelglobevalvesandliftcheckvalvesforpetroleum,petrochemical,naturalgasandalliedindustries(BS1873:1975(R1990)Specificationforsteelglobeandglobestopandcheckvalves(flangedandbutt-weldingends)forthepetroleum,pe

2、trochemicalandalliedindustries,MOD)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：40444436YBF02-2009目次前言…………………………………………………………………………………………………………Ⅳ1范围………………………………………………………………………………………………………12规范性引用文件…………………………………………………………………………………………13结构型式……………………………………………………

3、……………………………………………24技术要求…………………………………………………………………………………………………54.1压力-温度额定值……………………………………………………………………………………54.2结构长度………………………………………………………………………………………………54.3连接端…………………………………………………………………………………………………54.4阀体……………………………………………………………………………………………………54.5阀盖……………………………………………………………………………………………………74.6

4、阀体与阀盖的连接面…………………………………………………………………………………84.7阀体与阀盖的连接螺柱或螺栓………………………………………………………………………94.8阀瓣……………………………………………………………………………………………………94.9阀杆和阀杆螺母………………………………………………………………………………………104.10填料和填料箱………………………………………………………………………………………114.11手轮和操作…………………………………………………………………………………………114.12旁通装置和放泄装置…………………

5、……………………………………………………………114.13静压寿命……………………………………………………………………………………………124.14无损检测……………………………………………………………………………………………124.14.1焊接连接端的焊接部位…………………………………………………………………………124.14.2阀体和阀盖的承压部位…………………………………………………………………………124.15压力试验……………………………………………………………………………………………124.15.1壳体试验…………………………………………………………

6、………………………………124.15.2启闭件密封试验…………………………………………………………………………………134.15.3上密封试验………………………………………………………………………………………145材料………………………………………………………………………………………………………145.1阀体和阀盖…………………………………………………………………………………………145.2阀座…………………………………………………………………………………………………155.3阀瓣…………………………………………………………………………………………………155.

7、4阀座密封面堆焊面…………………………………………………………………………………155.5阀杆…………………………………………………………………………………………………15I标准分享网www.bzfxw.com免费下载VALVEDESIGNQQ群号：40444436VALVEDESIGNQQ群号：40444436YBF02-20095.6阀体与阀盖连接螺柱和螺母………………………………………………………………………155.7填料压盖与阀盖连接螺栓…………………………………………………………………………155.8填料隔环和上密封座……………………………………………

8、………………………………