6)法兰用螺栓尺寸对照表（DIMENSIONS OF FLANGE BOLTS）
For Class150LB Flanges For Class300LB Flanges
Pipe Size No.
of Bolts Dia of Bolts Length of Bolt长安福特蒙迪欧致胜
No.of Bolts
Dia of Bolt Length of Bolt
DN NPS UNC ISO RF RJ UNC ISO RF RJ 151/241/2M1460--41/2M146575 203/441/2M1465--45/8M167590 25141/2M14658045/8M168090 3211/441/2M14708545/8M168595 4011/241/2M14708543/4M2090100 50245/8M16859585/8M1690100 6521/245/8M169010083/4M20100115 80345/8M169010083/4M20110120 --31/285/8M169010083/4M20110125 100485/8M169010083/4M20110130 125583/4M209511083/4M20120135 150683/4M20100115123/4M20125140 200883/4M20110120127/8M24140155 25010127/8M24115130161M24155170 30012127/8M241201351611/8M30170185 35014121M271301502011/8M30175190 40016161M27135
1502011/4M33190205 450181611/8M301501602411/4M33195210 500202011/8M301601702411/4M33205225 600242011/4M331751852411/2M39230255
For Class400LB Flanges For Class600LB Flanges
Pipe Size No.of
Bolts Dia of Bolts Length of Bolt
No.of Bolts
Dia of Bolt Length of Bolt
DN NPS UNC ISO RF RJ UNC ISO RF RJ 151/241/2M14757541/2M147575 203/445/8M16909045/8M169090 25145/8M16959045/8M169090 3211/445/8M161109545/8M169595 4011/243/4M2011011043/4M20110110 50285/8M1612011085/8M16110110 6521/283/4M2012512083/4M20120120 80383/4M2014013083/4M20125130 --31/287/8M2414014087/8M24140140 100487/8M2414514087/8M27145145 125587/8M2415015081M27165165 1506127/8M24150155121M27170175 2008121M271701751211/8M30190195 250101611/8M30190
1901611/4M33215215 300121611/4M332052052011/4M33225225 350142011/4M332102102013/8M36235235 400162013/8M362202252011/2M39255255 450182413/8M362302302015/8M42275275 500202411/2M392452502415/8M42290295 600242411/4M452702802417/8M48330335
For Class900LB Flanges For Class1500LB Flanges
Pipe Size No.of
违章处理
Bolts Dia of Bolts Length of Bolt
长城 精灵
No.of Bolts
Dia of Bolt Length of Bolt
DN NPS UNC ISO RF RJ UNC ISO RF RJ 151/243/4M2010510543/4M20105105 203/443/4M2011511543/4M20115115 25143/4M2412512547/8M24125125 3211/447/8M2412512547/8M24125125 4011/241M2714014041M27140140 50287/8M24145145811/8M24145145 6521/281M27160160811/4M27160160 80387/8M24145145811/2M30180180 1004811/8M30170170813/8M33195200 1255811/4M3319019
0815/8M39250250 15061211/8M301901951213/8M36260265 20081213/8M362202201215/8M42290320 250101613/8M362352351217/8M48335345 300122013/8M36255255162M52375390 350142011/2M392752801621/4M56405425 400162015/8M422852951621/2M64115470 450182017/8M483253401623/4M70495530 50020202M52350360163M76540565 600242021/2M644404551631/2M90615645
For Class2500LB Flanges
Pipe Size No.of
Bolts Dia of Bolts Length of Bolt
DN NPS UNC ISO RF RJ
2014宝马5系
151/243/4M20120120
203/443/4M20125125
25147/8M24140140
3211/441M27150150
4011/2411/8M30170170
50281M27180180
6521/2811/8M30195205
s480803811/4M33220230
1004811/2M39255260
1255813/4M45300310
150682M52345355
2008122M52380395
朗逸 福克斯250101221/2M64490510
300121223/4M70540560
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