ASME B16.47 A 系列 Class400 法兰盖的尺寸
发布时间：2016-01-11 点击数：3262
ASME B16.47 A 系列 Class400 法兰盖的尺寸
| DN | NPS | 法兰外径 A |
法兰厚度 (最小值)C |
密封面直径G | 密封面厚度f | 螺栓孔中心圆直径J | 螺栓孔直径I | 螺栓孔数量 | 螺栓规格 (英寸） |
| 650 | 26 | 970 | 98.5 | 749 | 7 | 876.3 | 47.6 | 28 | 13⁄4 |
| 700 | 28 | 1035 | 104.8 | 800 | 7 | 939.8 | 50.8 | 28 | 17⁄8 |
| 750 | 30 | 1090 | 111.2 | 857 | 7 | 997.0 | 54.0 | 28 | 2 |
| 800 | 32 | 1150 | 115.9 | 914 | 7 | 1054.1 | 54.0 | 28 | 2 |
| 850 | 34 | 1205 | 122.3 | 965 | 7 | 1104.9 | 54.0 | 28 | 2 |
| 900 | 36 | 1270 | 128.6 | 1022 | 7 | 1168.4 | 54.0 | 32 | 2 |
| 950 | 38 | 1205 | 123.9 | 1035 | 7 | 1117.6 | 47.6 | 32 | 13⁄4 |
| 1000 | 40 | 1270 | 130.2 | 1092 | 7 | 1174.8 | 50.8 | 32 | 17⁄8 |
| 1050 | 42 | 1320 | 133.4 | 1143 | 7 | 1225.6 | 50.8 | 32 | 17⁄8 |
| 1100 | 44 | 1385 | 139.7 | 1200 | 7 | 1282.7 | 54.0 | 32 | 2 |
| 1150 | 46 | 1440 | 146.1 | 1257 | 7 | 1339.8 | 54.0 | 36 | 2 |
| 1200 | 48 | 1510 | 152.4 | 1308 | 7 | 1403.4 | 60.3 | 28 | 21⁄4 |
| 1250 | 50 | 1570 | 157.2 | 1362 | 7 | 1460.5 | 60.3 | 32 | 21⁄4 |
| 1300 | 52 | 1620 | 162.0 | 1413 | 7 | 1511.3 | 60.3 | 32 | 21⁄4 |
| 1350 | 54 | 1700 | 169.9 | 1470 | 7 | 1581.2 | 66.7 | 28 | 21⁄2 |
| 1400 | 56 | 1755 | 174.7 | 1527 | 7 | 1632.0 | 66.7 | 32 | 21⁄2 |
| 1450 | 58 | 1805 | 177.8 | 1578 | 7 | 1682.8 | 66.7 | 32 | 21⁄2 |
| 1500 | 60 | 1885 | 185.8 | 1635 | 7 | 1752.6 | 73.0 | 32 | 23⁄4 |