JB/T 4703—2000长颈对焊法兰 型式与尺寸
各类密封面的长颈对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 1螺柱 | 对接筒体 | |||||||||||||||
D | 〇7 | Η | ;Ι h \ a \ i 1 | δ' | ^2 | R | ^丨规格 1 | 数量 | 最小厚度 Sq 9 mm | ||||||||
PN = 0.6 MPa | |||||||||||||||||
1300 | 1460 | 1415 | 1376 | 1356 | 1353 | I 60 | 125 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 40 | 12 |
1400 | 1560 | 1515 | 1476 | 1456 | 1453 | ;62 | 135 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 44 | 12 |
1500 | 1660 | 1615 | 1576 | 1556 | 1553 | 64 | 140 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 48 | 12 |
1600 | 1760 | 1715 | 1676 | 1656 | 1653 j 66 | 145 | 40 | 21 | 18 | 16 | 26 | 12 | 27 j Μ24 | 52 | 12 | ||
1700 | 1860 | 1815 | 1776 | 1756 | 1753 1 70 | 150 | 40 | 21 | 】8 | 16 | 26 | 12 | 27 | Ί Μ24 | 52 | 12 | |
1800 | 1960 | 1915 | 1876 | 1856 | 1853 ! 70 1 | 150 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 52 | 14 | |
1900 | 2060 | 2015 | 1976 | 1956 | 1953 ! 74 | 150 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 56 | 14 | |
2000 | 2160 | 2115 | 2076 | 2056 | 2053 ί 76 | 150 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 60 | 14 | |
PN= 1.0 MPa | |||||||||||||||||
300 | 440 | 400 | 365 | 355 | 352 ί 30 | 85 | 25 | 17 | 14 | 12 | 22 | 12 | 23 Μ20 | 16 | 4 | ||
350 | 490 | 450 | 415 | 405 | 402 32 | 90 | 25 | 17 | 14 | 12 | 22 | 12 | 23 Μ20 | 16 | 4 | ||
400 | 540 | 500 | 465 | 455 | 452 34 | 95 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 20 | 4 | |
450 | 590 | 550 | 515 | 505 | 502 34 | 95 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 20 | 6 | |
500 | 640 | 600 | 565 | 555 | 552 38 | 100 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 24 | 6 | |
550 | 690 | 650 | 615 | 605 | 602 | 40 | 100 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 24 | 6 |
600 | 740 | 700 | 665 | 655 | 652 | 44 | 105 | 25 | Π | 14 | 12 | 22 | 12 | 23 | Μ20 | 28 | 6 |
650 | 790 | 750 | 715 | 705 | 702 | 46 | 105 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 28 | 8 |
700 | 840 | 800 | 765 | 755 | 752 | 50 | 105 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 32 | 8 |
800 | 940 | 900 | 865 | 855 | 852 | 50 | 105 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 32 | 8 |
900 | 1040 | 1000 | 965 | 955 | 952 | 54 | 110 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | Μ20 | 36 | 10 |
1000 | 1140 | 1100 | 1065 | 1055 | 1052 56 | 110 | 25 | 17 | 16 | 12 | 22 | 12 | 23 | Μ20 | 40 | 10 | |
1100 | 1260 | 1215 | 1176 | 1156 | 1153 | 56 | 120 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 32 | 12 |
1200 | 1360 | 1315 | 1276 | 1256 | 1253 | 56 | 125 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 36 | 12 |
1300 | 1460 | 1415 | 1376 | 1356 | 1353 | 60 | 130 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 40 | 12 |
1400 | 1560 | 1515 | 1476 | 1456 | 1453 | 62 | 140 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 44 | 12 |
1500 | 1660 | 1615 | 1576 | 1556 | 1553 | 64 | 140 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | Μ24 | 48 | 12 |
1600 | 3760 | 1715 | 1676 | 1656 | ]653 ( 70 | 345 | 40 | 21 | 18 | 16 | 26 | 12 , | 27 | Μ24 | 52 | 12 | |
1700 | 1870 | ί 1815 | 1776 | 1756 | 1753 | 76 | 150 | 40 | 21 | 18 | 18 | 26 | 12 | 30 | Μ27 | 56 | 12 |
1800 | 1970 | 1915 | 1876 | 1856 | 1853 | 80 | 150 | 40 I | 21 | 18 | 18 | 26 | 12 | 30 | Μ27 | 56 | 14 |
1900 | 2095 | 2040 | 1998 | 1978 | 1973 | 86 | 155 | 30 1 21 | 18 | 20 | 32 | 15 | 30 | Μ27 | 56 | 16 | |
2000 | 2195 | 2140 | 2098 | 2078 | 2075 | 94 | 165 | 30 1 21 I | 18 | 20 | 32 | 15 | 30 | Μ27 | 60 | 16 |
公称直径 DN, mm | 法兰,mm | 螺柱 | 对接筒体 | ||||||||||||||
D | 1 d2 j d3 | D, | H t h a I | t | R | d | 规格 | 数量 | 最小厚度 Sq 9 mm | ||||||||
PN = 1.6 MPa | |||||||||||||||||
300 | 440 | 400 | 365 | 355 | 352 | 30 | 85 25 | 17 | 14 | 12 | 22 | 12 | 23 | M20 | 16 | 6 | |
350 | 490 | 450 | 415 | 405 | 402 | 32 | 90 | 25 | :17 | 14 | 12 | 22 | 12 | 23 | M20 | 16 | 6 | |
400 | 540 | 500 | 465 | 455 | 452 | 34 | 95 25 \ | Π | 14 | 12 | 22 | 12 | 23 | M20 | 20 | 6 | |
450 | 590 | 550 | 515 | 505 | 502 | 34 | 95 | ^17 | 14 | 12 | 22 | 12 | 23 | M20 | 20 | 8 | |
500 | 640 | 600 | 565 | 555 | 552 | 38 | 100 25 17 | 14 | 12 | 22 | 12 | 23 | M20 | 24 | S | ||
550 | 690 | 650 | 615 | 605 | 602 | 40 | 100 | 25 17 | 14 | 12 | 22 | 12 | 23 | ι\Ι20 | 24 | 8 | |
600 | 740 | 700 | 665 | 655 | 652 | 44 | 105 | 25 j 17 | 14 | 12 | 22 | 12 | 23 | M20 | 28 | 10 | |
650 | 790 | 750 | 715 | 705 | 702 | 46 | ! 105 i 25 ! 17 I 1 | 14 | 12 | 22 | 12 | 23 | M20 | 28 | 10 | ||
700 | 860 | 815 | 776 | 766 | 763 | 46 | 1 : 115ί 35 丨 21 | 18 | 16 | 26 | 12 | 27 | M24 | 24 | 10 | ||
800 | 960 | 915 | 876 | 866 | 863 | 48 | 115 35 ! 21 ! : | 18 | 16 | 26 | 12 | 27 | M24 | 24 | 12 | ||
900 | 1060 | 1015 | 976 | 966 | 963 | 52 | 115丨 35 丨 21 | 18 | 16 | 26 | 12 | 27 | M24 | 28 | 12 | ||
1000 | 1160 | 1115 | 1076 | 1066 | 1063 | 56 | 120 35 j 21 | 18 | 16 | 26 | 12 | 27 | M24 | 32 | 12 | ||
1100 | 1260 | 1215 | 1 176 | 1156 | 1153 | 62 | 125j 40 21 | 18 | 16 | 26 | 12 | 27 | M24 | 36 | 14 | ||
1200 | 1360 | 1315 | 1276 | 1256 | 1253 | 64 | 1301 40 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 40 | 14 | |
1300 | 1460 | 1415 | 1376 | 1356 | 1353 | 74 | 140 | 40 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 44 | 14 |
1400 | 1560 | 1515 | 1476 | 1456 | 1453 | 84 | 150 | 40 j 21 | 18 | 16 | 26 | 12 | 27 | M24 52 | 14 | ||
1500 | 1695 | 1640 | 1598 | 1578 | 1575 | 84 | 155 | 42 | 21 | 18 | 20 | 32 | 15 | 30 | M27 | 48 | 16 |
1600 | 1795 | 1740 | 1698 | 1678 | 1675 | 86 | 165 | 48 | 21 | 18 | 20 | 32 | 15 | 30 | M27 j 52 | 16 | |
1700 | 1895 | 1840 | 1798 | 1778 | 1775 | 86 | 165 | 48 | 21 | 18 | 22 | 32 | 15 | 30 | M27 j 56 | 18 | |
1800 | 1995 | 1940 | 1898 | 1878 | 1875 | 94 | 170 | 48 | 21 | 18 | 22 | 32 | 15 | 30 | M27 | 64 | 18 |
1900 I 2115 | 2055 | 2010 | 1990 | 1987 | 94 | 185 | 56 | 26 | 23 | 24 | 36 | 15 | 33 | M30 | 56 | 20 | |
2000 | 2215 | 2155 | 2110 | 2090 | 2087 | 102 | 190 | 56 | 26 | 23 | 24 | 36 | 15 | 33 | M30 | 64 | 20 |
PN = 2.5 MPa | |||||||||||||||||
300 | 440 | 400 | 365 | 355 | 352 | 32 | 85 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | M20 | 16 | 6 |
350 | 490 | 450 | 415 | 405 | 402 | 32 | 90 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | M20 | 16 | 6 |
400 | 540 | 500 | 465 | 455 | 452 | 36 | 95 | 25 | 17 | 14 | 12 | 22 | 12 | 23 | M20 20 | 8 | |
450 j 590 | 550 | 515 | 505 | 502 | 36 | 95 | 25 | Π | 14 | 12 | 22 | 12 | 23 | M20 | 20 | 8 | |
500 | 660 | 615 | 576 | 566 | 563 | 40 | 105 | 35 21 | 18 | 16 | 26 | 12 | 27 | M24 | 20 | 10 | ||
550 | 710 | 665 | 626 | 616 | 6i3 | 40 | 105 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | M24 20 | 10 | ||
600 ! 760 | 715 | 676 | 666 | 663 | 42 | no | 35 ! 21 | 18 | 16 | 26 | 12 | 27 | M24 j 24 | 10 | |||
650 | 810 | 765 | 726 | 716 | 713 | 46 | 115 | 35 j 21 | 18 | 16 | 26 | 12 | 27 | M24 | 24 | 10 | |
700 | 860 | 815 | 776 | 766 | 763 | 50 | 120 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 28 | 10 |
公称直径 DN, mm | 法兰’ mm | 螺柱 | 对接筒体 | ||||||||||||||
D | D' | d2 | Dy | D, | δ | H | h a | 〇] | 〇'卜2 | R | d | 规格 | 数量 | 最小厚度 y mm | |||
PN = 2.5 MPa | |||||||||||||||||
800 | 960 | 915 | 876 | 866 | 863 | 58 | 125 | 35,21 | 18 | 16 | 26 | 12 | 27 | M24 | 32 | 12 | |
900 | 1095 | 1040 | 998 | 988 | 985 | 60 | 145 | 42 ; 21 | 18 | 20 | 32 | 15 | 30 | M27 | 32 | 12 | |
1000 | 1195 | 1140 | 1098 | 1088 | 1085 | 68 | 155 | 42 ; 21 | 18 | 20 32 | 15 | 30 | M27 | 36 | 14 | ||
1100 | 1295 | 1240 | 1198 | 1178 | 1175 | 72 | 165 | 42 ; 21 | 18 | 22 | 32 | 15 | 30 | M27 | 40 | 14 | |
1200 | 1395 | 1340 | 1298 | 1278 | 1275 | 84 | 185 | 48 I 21 | 18 | 22 | 32 | 15 | 30 | M27 | 48 | 14 | |
1300 | 1495 | 1440 | 1398 | 1378 | 1375 | .88 | 185 | 48 : 21 | 18 | 22 | 32 | 15 | 30 | M27 | 56 | 16 | |
1400 | 1595 | 1540 | 1498 | 1478 | 1475 | 100 | 195 | 48 | 21 | 18 | 22 | 32 | 15 | 30 | M27 | 60 | 16 | |
1500 | 1715 | 1655 | 1610 | 1590 | 1587 | 102 | 200 | 56 i 26 | 23 | 24 | 36 | 15 | 33 | M30 | 60 | 18 | |
1600 | 1815 | 1755 | 1710 | 1690 | 1687 | 112 | 210 | 56 26 | 23 | 24 | 36 | 15 | 33 | M30 | 64 | 20 | |
1700 | 1950 | 1880 | 1829 | 1809 | 1806 | 112 | 230 | 64 26 | 23 | 28 | 42 | 18 | 39 | M36 | 52 | 20 | |
1800 | 2050 | 1980 | 1929 | 1909 | 1906 | 122 | 235 | 64 26 | 23 | 28 | 42 | 18 | 39 | M36 | 56 | 22 | |
1900 | 2150 | 2080 | 2029 | 2009 | 2006 | 132 | 235 | 64 26 | 23 | 28 | 42 | 18 | 39 | M36 | 64 | 24 | |
2000 | 2250 | 2180 | 2129 | 2109 | 2106 | 144 | 245 | 64 26 | 23 | 28 | 42 | 18 | 39 | M36 | 68 | 24 | |
PN = 4.0 MPa | |||||||||||||||||
300 | 460 | 415 | 376 | 366 | 363 | 40 | 105 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 16 | 8 |
350 | 510 | 465 | 426 | 416 | 413 | 42 | 110 | 35 21 | 18 | 16 | 26 | 12 | 27 | M24 | 16 | δ | |
400 | 560 | 515 | 476 | 466 | 463 | 42 | 110 | 35 ! 21 I | 18 | 16 | 26 | 12 | 27 | M24 | 20 | 12 | |
450 | 610 | 565 | 526 | 516 | 513 | 46 | 110 | 35 21 | 18 | 16 | 26 | 12 | 27 | M24 | 20 | 12 | |
500 | 660 | 615 | 576 | 566 | 563 | 46 | 110 | 35 21 | 18 | 16 | 26 | 12 | 27 | M24 | 24 | 12 | |
550 | 710 | 665 | 626 | 616 | 613 | 52 | 115 | 35 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 28 | 12 |
600 | 760 | 715 | 676 | 666 | 663 | 58 | 120 | 35 21 | 18 | 16 | 26 | 12 | 27 | M24 | 32 | 12 | |
650 | S45 | 790 | 748 | 738 | 735 | 60 | 135 | 42 21 | 18 | 20 | 32 | 15 | 30 | M27 | 28 | 14 | |
700 | 895 | 840 | 798 | 788 | 785 | 64 | 140 | 42 | 21 | 18 | 20 | 32 | 15 | 30 | M27 | 32 | 14 |
800 | 995 | 940 | 898 | 888 | 885 | 70 | 150 | 42 | 21 | 18 | 22 | 32 | 15 | 30 | M27 | 40 | 16 |
900 | 1115 | 1055 | 1010 | 1000 | 997 | 86 | 170 | 42 | 26 | 23 | 24 | 36 | 15 | 33 | M30 | 40 | 16 |
1000 | 1215 | 1155 | 1110 | 1100 | 1097 | 100 | 175 | 42 26 | 23 | 24 | 36 | 15 | 33 | M30 | 48 | 18 | |
1100 | 1350 | 1280 | 1 229 | 1209 | 1206 | 104 | 195 | 48 26 | 23 | 28 | 42 | 18 | 39 | M36 | 40 | 20 | |
1200 | 1450 | 1380 | 1329 | 1309 | 13P6 | 120 | 205 | 48 j 26 | 23 | 28 | 42 | 18 | 39 | M36 | 44 | 22 | |
1300 | 1550 | 1480 | 1429 | 1409 | 1406 | 126 | 220 | 56 26 | 23 | 28 | 42 | 18 | 39 | M36 | 52 | 22 | |
1400 | 1650 | 1580 | 1529 | 1509 | 1506 | 130 | 235 | 64 | 26 | 23 | 28 | 42 | 18 | 39 | M36 | 60 | 22 | |
1500 | 1750 | 1680 | 1629 | 1609 | 1606 | 144 | 250 | 64 | 26 | 23 | 28 | 42 | 18 | 39 | M36 | 64 | 22 |
1600 | 1850 | 1780 | 1729 | 1709 | 1706 | 158 | 265 | 64 | 26 | 23 | 28 | 42 | 18 | 39 | M36 | 68 | 22 |
公称直径 DN, mm | 法兰,mm | 螺柱 | 对接筒体 | ||||||||||||||
D | 〇2 〇3 | D, | δ | H h | a | R | d | 规格 | 数量 | 最小厚度 f mm | |||||||
PN = 6.4 MPa | |||||||||||||||||
300 | 460 | 415 | 376 | 366 | 363 | 46 | 110 35 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 16 | 8 | |
350 | 510 | 465 | 426 | 416 | 413 | 48 | 115! 35 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 20 | 8 | |
400 | 560 | 515 | 476 | 466 | 463 | 56 | 120 35 1 | 21 | 18 | 16 | 26 | 12 | 27 | M24 | 24 | 12 | |
450 | 645 | 590 | 548 | 538 | 535 | 60 | 130 | 36 | 21 | 18 | 20 | 32 | 15 | 30 | M27 | 24 | 12 |
500 | 695 | 640 | 598 588 | 585 | 68 | 140 36 | 21 | 18 | 20 | 32 | 15 | 30 | M27 | 28 | 12 | ||
550 | 745 | 690 | 648 638 | 635 | 78 | 1 150j 36 | 21 | 18 | 20 | 32 | 15 | 30 | M27 | 32 | 12 | ||
600 | 815 | 755 | 710 700 | 697 | 82 | 160 42 | 26 | 23 | 22 | 36 | 15 | 33 | M30 | 32 | 14 | ||
650 | 865 | 805 | 760 i 750 | 747 | 92 | 165 | 42 | 26 | 23 | 22 | 36 | 15 | 33 | M30 | 36 | 16 | |
700 | 950 | 880 | 829 ! 819 | 816 | 92 | 185 | 48 | 26 | 23 | 26 | 42 | 18 | 39 | M36 | 32 | 18 | |
800 | 1050 | 980 | 929 ; 919 | 916 | 112 | 200 48 1 | 26 | 23 | 26 | 42 | 18 | 39 | M36 | 26 | 18 |
公称直径 DN, mm | 法兰质量,kg | 衬环质量,kg | ||||||||
平面 | 凸面 | 凹面 | 榫面 | 槽面 | 平环 | 凸环 | 凹环 | 榫环 | 槽面 | |
PN = 0.6 MPa | ||||||||||
1300 | 184.2 | 194.7 | 192.1 | 193.1 | 193.5 | 5.5 | 12.7 | 9.5 | 11.1 | 10.9 |
1400 | 205.4 | 216.7 | 213.9 | 214.9 | 215.4 | 5.9 | 13.7 | 10.3 | 11.9 | 11.8 |
1500 | 226.7 | 238.8 | 235.8 | 236.9 | 237.4 | 6.3 | 14.6 | 11.0 | 12.7 | 12.6 |
1600 | 258.8 | 271.6 | 268.4 | 269.6 | 270.1 | 6.8 | 15.6 | 11.7 | 13.6 | 13.4 |
1700 | 262.7 | 276.2 | 272.8 | 274.0 | 274.6 | 7.2 | 16.6 | 12.4 | 14.4 | 14.2 |
1800 | 291.8 | 306.1 | 302.5 | 303.8 | 304.4 | 7.6 | 17.5 | 13.1 | 15.2 | 15.0 |
1900 | 322.4 | 337.5 | 333.7 | 335.1 | 335.7 | 8.0 | 18.5 | 13.8 | 16.0 | 15.8 |
2000 | 344.5 | 360.4 | 356.4 | 357.8 | 358.5 | 8.4 | 19.5 | 14.6 | 16.9 | 16.7 |
PN: 1.0 MPa | ||||||||||
300 | 21.6 | 24.1 | 23.2 | 23.5 | 23.7 | 1.4 | 2.9 | 1.9 | 2.3 | 2.4 |
350 | 25.9 | 28.8 | 27.8 | 28.1 | 28.4 | 1.6 | 3.3 | 2.1 | 2.6 | 2.7 |
400 | 30.2 | 33.3 | 32.3 | 32.6 | 32.9 | 1.8 | 3.7 | 2.4 | 3.0 | 3.0 |
450 | 34.4 | 37.9 | 36.7 | 37.1 | 37.4 | 2.0 | 4.1 | 2_7 | 3.3 | 3.4 |
500 | 39.1 | 42.9 | 41.6 | 42.0 | 42.4 | 2.2 | 4.6 | 3.0 | 3.7 | 3.8 |
550 | 44.5 | 48.r | 47.2 | 47.7 | 48.1 | 2.4 | 5.0 | 3.3 | 4.0 | 4.2 |
600 | 54.1 | 58.7 | 57.1 | 57.6 | 58.0 | 2.6 | 5.4 | 3.5 | 4.4 | 4.5 | |
650 | 61.4 | 66.3 | 64.5 | 65.1 | 65.5 | 2.8 | 5.9 | 3.8 | 4.7 | 4.8 |