JB/T 4702—2000 乙型平焊法兰 型式与尺寸
各类密封面的乙型平焊法兰的结构型式及系列尺寸应符合图1〜图6和表1的规定,法兰及衬环 的质量列于表2。
公称直径 DN, mm | 法兰’ mm | 螺 柱 | |||||||||||
D | />! | d2 | 8 | H | a | 〇i | d | 规格 | 数量 | ||||
PN = 0.25 MPa | |||||||||||||
2600 | 2760 | 2715 | 2676 | 2656 | 2653 | 96 | 345 | 16 | 21 | 18 | 27 | M24 | 72 |
2800 | 2960 | 2915 | 2876 | 2856 | 2853 | 102 | 350 | 16 | 21 | 18 | 27 | M24 | 80 |
3000 | 3160 | 3115 | 3076 | 3056 | 3053 | 104 | 355 | 16 | 21 | 18 | 27 | M24 | 84 |
PN = 0.6 MPa | |||||||||||||
1300 | 1460 | 1415 | 1376 | 1356 | 1353 | 70 | 270 | 16 | 21 | 18 | 27 | M24 | 36 |
1400 | 1560 | 1515 | 1476 | 1456 | 1453 | 72 | 270 | 16 | 21 | 18 | 27 | M24 | 40 |
1500 | 1660 | 1615 | 1576 | 1556 | 1553 | 74 | 270 | 16 | 21 | 18 | 27 | M24 | 40 |
1600 | 1760 | 1715 | 1676 | 1656 | 1653 | 76 | 275 | 16 | 21 | 18 | 27 | M24 | 44 |
1700 | 1860 | 1815 | 1776 | 1756 | 1753 | 78 | 280 | 16 | 21 | 18 | 27 | M24 | 48 |
1800 | 1960 | 1915 | 1876 | 1856 | 1853 | 80 | 280 | 16 | 21 | 18 | 27 | M24 | 52 |
1900 | 2060 | 2015 | 1976 | 1956 | 1953 | 84 | 285 | 16 | 21 | 18 | 27 | M24 | 56 |
2000 | 2160 | 2115 | 2076 | 2056 | 2053 | 87 | 285 | 16 | 21 | 18 | 27 | M24 | 60 |
2200 | 2360 | 2315 | 2276 | 2256 | 2253 | 90 | 340 | 16 | 21 | 18 | 27 | M24 | 64 |
2400 | 2560 | 2515 | 2476 | 2456 | 2453 | 92 | 340 | 16 | 21 | 18 | 27 | M24 | 68 |
PN= 1.0 MPa | |||||||||||||
1000 | 1140 | 1100 | 1065 | 1055 | 1052 | 62 | 260 | 12 | 17 | 14 | 23 | M20 | 40 |
1100 | 1260 | 1215 | 1176 | 1156 | 1153 | 64 | 265 | 16 | 21 | 18 | 27 | M24 | 32 |
1200 | 1360 | 1315 | 1276 | 1256 | 1253 | 66 | 265 | 16 | 21 | 18 | 27 | M24 | 36 |
1300 | 1460 | 1415 | 1376 | 1356 | 1353 | 70 | 270 | 16 | 21 | 18 | 27 | M24 | 40 |
1400 | 1560 | 1515 | 1476 | 1456 | 1453 | 74 | 270 | 16 | 21 | 18 | 27 | M24 | 44 |
1500 | 1660 | 1615 | 1576 | 1556 | 1553 | 78 | 275 | 16 | 21 | 18 | 27 | M24 | 48 |
1600 | 1760 | 1715 | 1676 | 1656 | 1653 | 82 | 280 | 16 | 21 | 18 | 27 | M24 | 52 |
1700 | 1860 | 1815 | 1776 | 1756 | 1753 | 88 | 280 | 16 | 21 | 18 | 27 | M24 | 56 |
1800 | 1960 | 1915 | 1876 | 1856 | 1853 | 94 | 290 | 16 | 21 | 18 | 27 | M24 | 60 |
PN= 1.6 MPa | |||||||||||||
700 | 860 | 815 | 776 | 766 | 763 | 46 | 200 | 16 | 21 | 18 | 27 | M24 | 24 |
800 | 960 | 915 | 876 | 866 | 863 | 48 | 200 | 16 | 21 | 18 | 27 | M24 | 24 |
900 | 1060 | 1015 | 976 | 966 | 963 | 56 | 205 | 16 | 21 | 18 | 27 | M24 | 28 |
1000 | 1160 | 1115 | 1076 | 1066 | 1063 | 66 | 260 | 16 | 21 | 18 | 27 | M24 | 32 |
1100 | 1260 | 1215 | 1176 | 1156 | Π53 | 76 | 270 | 16 | 21 | 18 | 27 | M24 | 36 |
1200 | 1360 | 1315 | 1276 | 1256 | 1253 | 85 | 280 | 16 | 21 | IS | 27 | M24 | 40 |
1300 | 1460 | 1415 | 1376 | 1356 | 1353 | 94 | 290 | 16 | 21 | 18 | 27 | M24 | 44 |
1400 | 1560 | 1515 | 1476 | 1456 | 1453 | 103 | 295 | 16 | 21 | 18 | 27 | M24 | 52 |