JB/T 4704—2000 非金属软垫片 型式与尺寸
平密封面、凹凸密封面、衬环平密封面和衬环凹凸密封面法兰用非金属软势片按图1和表1的规定。
! . d | ||
D |
图1
表1
公称压力 PN, MPa | 0.25 | 0.6 | 1.0 | i.6 | 2.5 | 4.0 | ||||||
公称直径 DN, mm | D | d | D | d | D | d | D | d | D | d | D | d |
300 | 按 PN= 1.00 | 339/354 | 303/310 | 344/354 | 304/310 | 354 | 310 | 365 | 315 | |||
350 | 389/4m | 353/360 | 394/404 | 354/360 | 404 | 360 | 415 | 365 | ||||
400 | 439/454 | 403/410 | 444/454 | 404/410 | 454 | 410 | 465 | 415 | ||||
450 | 按 PN= 1.00 | 489 | 453 | 489/5M | 453/460 | 494/504 | 454/460 | 504 | ■ | 515 | 465 | |
500 | 539 | 503 | 544/554 | 504/510 | 544/554 | 504/510 | 565 | 515 | 565 | 515 | ||
550 | 589 | 553 | 594/6Q4 | 554/560 | 594/604 | 554/560 | 615 | 565 | 615 | 565 | ||
600 | 639 | 603 | 644/654 | 604/610 | 644/654 | 604/610 | 665 | 615 | 665 | 615 | ||
650 | 689 | 653 | 694/70Φ | 654/660 | 694/7(M | 654/660 | 715 | 665 | 737 | 687 | ||
700 | 739 | 703 | 744 | 704 | 744/754 | 704/710 | 765 | 715 | 765 | 715 | 787 | 737 |
800 | 839 | 803 | 844 | 804 | 844/854 | 804/810 | 865 | 815 | 865 | 815 | 887 | 837 |
900 | 939 | 903 | 944 | 9W | 944/954 | 904/910 | 965 | 915 | 987 | 937 | 999 | 939 |
1000 | 1044 | 1004 | 1044 | J004 | 1054 | 1010 | 1065 | 1015 | 1087 | 1037 | 1099 | Ϊ039 |
1100 | 1140 | 1100 | 1140 | 1100 | Π55 | 1105 | 1155 | 1105 | 1177 | 1127 | 1208 | 1148 |
1200 | 1240 | 1200 | 1240 | 1200 | 1255 | 1205 | 1255 | 1205 | 1277 | 1227 | 1308 | 1248 |
1300 | 1340 | 1300 | 1355 | 1305 | 1355 | 1305 | 1355 | ]305 | 1377 | !327 | 1408 | 1348 |
1400 | 1440 | 1400 | 1455 | 1405 | 1455 | 1405 | 1455 | 1405 | 1477 | 1427 | 1508 | 1448 |
1500 | 1540 | 1500 | 1555 | 1505 | 1555 | ■ | 1577 | 1527 | \5S9 | Ϊ529 | 1608 | 1548 |
1600 | 1640 | 1600 | 1655 | 1605 | 1655 | 1605 | 1677 | 1627 | 1689 | i629 | 1708 | 164ίί |
1700 | 1740 | 1700 | 1755 | 1705 | 1755 | 1705 | 1777 | 1727 | 1808 | 1748 | — | |
1800 | 1840 | 1800 | 1855 | 1805 | Ϊ855 | 1805 | 1877 | Ϊ827 | 1908 | 1848 | ||
1900 | 1940 | 1900 | 1955 | 1905 | 1977 | 1927 | 1989 | 1929 | 2008 | |||
2000 | 2040 | 2000 | 2055 | 2005 | 2077 | 2027 | 2089 | 2029 | 2108 | 2048 | ||
2200 | 2255 | 2205 | 2255 | 2205 | — | — | — | |||||
2400 | 2455 | 2405 | 2455 | 2405 | ||||||||
2600 | 2655 | 2605 | — | |||||||||
28ϋϋ | 2855 | 2805 | ||||||||||
3000 | 3055 | 3005 | ||||||||||
