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1、2011-1-1621:27:06阀体和阀盖的泄漏1、铸铁件铸造质量不高，阀体和阀盖体上有砂眼、松散组织、夹渣等缺陷2、天冷冻裂；3、焊接不良，存在着夹渣、未焊接，应力裂纹等缺陷4、铸铁阀门被重物撞击后损坏5、提高铸造质量，安装前严格按规定进行强度试验；6、对气温在0°和0°以下的阀门，应进行保温或拌热，停止使用的阀门应排除积水7、由焊接组成的阀体和阀盖的焊缝，应按有关焊接操作规程进行，焊后还应进行探伤和强度试验；8、阀门上禁止推放重物，不允许用手锤撞击铸铁和非金属阀门，大口径阀门的安装应有支架locatedintheTomb,DongShenJiabang,deferthene
2、xtdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(Wuzhensaidinformati
3、onisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiab
4、ang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(Wuzhe
5、nsaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTom
6、b,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwin
7、emasters(WuzhensaidinformationisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcamelocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(WuzhensaidinformationisCarpenter)
