JBT 89-1994 管路法兰用金属环垫
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2019-03-04 10:04:27
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JBT 89-1994 管路法兰用金属环垫J15JB/T89-1994管路法兰用金属环垫1994-12-09发布1995-10-01实施中华人民共和国机械工业部发布11主题内容与适用范围本标准规定了钢制管法兰用八角形金属环垫的型式、尺寸和技术要求。本标准适用于JB/T79、JB/T82中规定的公称压力PN为6.3,10.0,16.0,20.0MPa的环连接面整体铸钢管法兰和对焊钢制管法兰用金属环垫。2引用标准GB699优质碳素结构钢技术条件GB1220不锈钢棒JB755压力容器锻件技术条件3垫片的型式和尺寸金属环垫的型式和尺寸应符合图1及表1的规定。图1机械工业部1994-12-09批准中华人民共和国机械行业标准管路法兰用金属环垫JB/T89-1994代替JB89—19591995-10-01实施JB/T89-19942表1mmPN6.3MPaPN10.0MPaPN16.0MPaPN20.0MPa公称通径DNPACHPACHPACHPACH103585.5133585.5133585.5134085.513153585.5133585.5133585.5134085.513204585.5134585.5134585.5134585.513255085.5135085.5135085.5135085.513326585.5136585.5136585.5136585.513407585.5137585.5137585.5137585.51350851181685118169511816951181665110118161101181611011816110118168011511816115118161301181616011816100145118161451181616011816190118161251751181617511816190118162051392015020511816205118162051392024015.510.522(175)235118162351181625515.510.52227515.510.522200265118162651181627515.510.52230515.510.522(225)280118162801181630515.510.52233015.510.52225032011816320118163301
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