法兰对夹蝶阀螺栓长度对照表

法兰尺寸及螺栓长度一、对于公称直径小于或等于DN600, Class 150法兰用六角头螺栓长度Lm长度参见表B.5-1公称直径DN 螺纹规格螺栓数量六角头螺栓长度Lm单位mm用于突面法兰15M14455 20M14455 25M14460 32M14465 40M14465 50M16470 65M16480 80M16480 100M16880 125M20885 150M20890 200M20895 250M2412105 300M2412105 350M2712115 400M2716120 450M3016130 500M3020140 550M3320150 600M3320155 650M3324195 700M3328200 750M3328205 800M3928225 850M3932230 900M3932245 950M3932240 1000M3936245 1050M3936255 1100M3940265 1150M3940270 1200M3944280 1250M4544290 1300M4544300 1350M4544310 1400M4548315 1450M4548325 1500M4552335二、对于公称直径大于DN600, Class75 B系列法兰用六角头螺栓长度Lm长度参见表B.5-3公称直径DN 螺纹规格螺栓数量六角头螺栓长度Lm单位mm用于突面法兰650M1636105700M1640105750M1644105800M1648110850M1652110900M2040115950M20401201000M20441201050M20481201100M24361351150M24401351200M24441401250M24441451300M24481451350M24481451400M27401501450M27441551500M2744160三、对于公称直径大于DN600, Class 150 B系列法兰用六角头螺栓长度Lm长度参见表B.5-4公称直径DN 螺纹规格螺栓数量六角头螺栓长度Lm单位mm用于突面法兰650M2036125 700M2040130 750M2044130 800M2048135 850M2440145 900M2444150 950M2740160 1000M2744160 1050M2748170 1100M2752170 1150M3040180 1200M3044185 1250M3048190 1300M3052195 1350M3056200 1400M3060200 1450M3348205 1500M3352210四、对于公称直径小于或等于DN600, Class 150法兰用螺柱长度参见表B.6-1公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于环槽面15M14470—20M14475—25M1447590 32M1448090 40M1448595 50M16490100 65M164100110 80M164100110 100M168100110 125M208110120 150M208115125 200M208120130 250M2412135145 300M2412135145 350M2712150160 400M2716150160 450M3016165175 500M3020175185 550M3320190200 600M3320190200公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于凹凸面和桦槽面用于环槽而15M144758085 20M164859095 25M1649090100 32M1649095100 40M204105110115 50M168100100115 65M208115120130 80M208120125135 100M208125130145 125M208135135150 150M2012135140150 200M2412155160170 250M2716175180190 300M3016190190205 350M3020195200210 400M3320210210225 450M3324215215230 500M3324225225245 550M3924240—265 600M3924245250270公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于凹凸面和樨槽面用于环槽面15M144908590 20M16410090100 25M16410095100 32M164110100110 40M204120115120 50M168120110125 65M208135130140 80M208140135145 100M248160150165 125M248165155165 150M2412170160175 200M2712190180195 250M30162!0200215 300M3316220215225 350M3320230220230 400M3620240230245 450M3624245235250 500M3924260255270 550M4224275—285 600M4524285280295公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于凹凸面和樨槽面用于环槽面15M144908590 20M16410090100 25M16410095100 32M164110100110 40M204120115120 50M168120110120 65M208135130140 80M208140135145 100M248160155165 125M2781801751X5 150M2712190180190 200M3012210205215 250M3316235225240 300M3320240235245 350M3620250245255 400M3920270265275 450M4220290280290 500M4224305300310 550M4524325一340 600M4824345335355公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于凹凸面和梯槽而用于环槽面15M204120115120 20M204130120130 25M244145135145 32M244145135145 40M274155150155 50M248160155165 65M278175170175 80M248160155165 100M308190185190 125M338210200210 150M3012210205215 200M3612240230240 250M3616250245255 300M3620270265275 350M3920290280300 400M4220300295310 450M4820340330350 500M5220365355375 600M6420450445470公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于凹凸面和禅槽面用于环槽面15M204120115120 20M204130120130 25M244145135145 32M244145135145 40M274155150155 50M248160155165 65M278175170175 80M308195190200 100M338215210215 125M398265255265 150M3612275270280 200M4212305300315 250M4812350345360 300M5216390385410 350M5616420410440 400M6416460455485 450M7016505495530 500M7616550545580 600M9016630625665公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰用于凹凸面和梯槽而用于环槽面15M204140130140 20M204140135140 25M244155150155 32M274170160170 40M304190180190 50M278195185195 65M308215210220 80M338240235245 100M398270265280 125M458315305325 150M528360350370 200M5212400390415 250M6412500490525 300M7012550540575公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M3324235700M3328240750M3328245800M3928270850M3932275900M3932290950M39322851000M39362901050M39363001100M39403101150M39403151200M39443251250M45443451300M45443501350M45443601400M45483701450M45483801500M4552385十二、对于公称直径大于DN600, Class300 A系列法兰用螺柱长度参见表B.6-9公称尺寸DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M4228275 700M4228285 750M4528305 800M4828325 850M4828330 900M5232345 950M3932325 1000M4232345 1050M4232350 1100M4532370 1150M4828385 1200M4832395 1250M5232415 1300M5232425 1350M5628450 1400M5628450 1450M5632460 1500M5632470公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M4828355700M5228370750M5228375800M5628390850M5628395900M6428420950M56284601000M56324751050M64285101100M64325201150M64325301200M70325601250M76285901300M76326001350M76326151400M82326451450M82326551500M9028690十四、对于公称直径大于DN600, Class900 A系列法兰用螺柱长度参见表B.6-11公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M7020465 700M7620480 750M7620495 800M8220525 850M9020555 900M9020565 950M9020605 1000M9024620 1050M9024635 1100M10024675 1150M10524705 1200M160524720公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M1636125700M1640125750M1644125800M1648130850M1652130900M2040140950M20401451000M20441451050M20481501100M24361651150M24401651200M24441701250M24441751300M24481751350M24481751400M27401851450M27441901500M2744195十六、对于公称直径大于DN600, Class 150 B系列法兰用螺柱长度参见表B.6-13公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M2036150 700M2040155 750M2044155 800M2048160 850M2440175 900M2444180 950M2740190 1000M2744195 1050M2748200 1100M2752205 1150M3040215 1200M3044220 1250M3048230 1300M3052230 1350M3056235 1400M3060240 1450M3348245 1500M3352250公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M4228350700M4528365750M4828390800M5228410850M5624440900M5628450950M56284601000M56324751050M64285101100M64325201150M64325301200M70325601250M76285901300M76326001350M76326151400M82326451450M82326551500M9028690十九、对于公称直径大于DN600, Class900 B系列法兰用螺柱长度参见表B.6-16公称直径DN 螺纹规格螺栓数量螺柱长度Ls单位mm用于突面法兰650M6420440 700M7020480 750M7620505 800M7620515 850M8220550 900M7624540 950M9020605 1000M9024620 1050M9024635 1100M10024675 1150M10524705 1200M10524720法兰螺栓长度对照表说明1、为便于在石油化工行业生产建设中快速查询使用标准法兰与螺栓选用长度，现将SH/T 3406-2022关于螺栓对照使用数据整理出完整数据分享给大家。