长高颈对焊法兰LWN
长高颈法兰 HG/T 20615 Class 300 LWN
2020-12-30
| 公称尺寸 | 钢管外径 | 连接尺寸 | 法兰厚度 | 法兰颈大端 | 法兰内径 | 法兰高度 | ||||
| 法兰外径 | 螺栓孔中心圆直径 | 螺栓孔直径 | 螺栓孔数量 | |||||||
| DN | NPS | A | D | K | L | n | C | N | B | H |
| 15 | 1/2 | 21.3 | 95 | 66.7 | 16 | 4 | 12.7 | 38 | 15.5 | 229 |
| 20 | 3/4 | 26.9 | 115 | 82.6 | 18 | 4 | 14.3 | 48 | 21 | 229 |
| 25 | 1 | 33.7 | 125 | 88.9 | 18 | 4 | 15.9 | 54 | 27 | 229 |
| 32 | 1 1/4 | 42.4 | 135 | 98.4 | 18 | 4 | 17.5 | 64 | 35 | 229 |
| 40 | 1 1/2 | 48.3 | 155 | 114.3 | 22 | 4 | 19.1 | 70 | 41 | 229 |
| 50 | 2 | 60.3 | 165 | 127 | 18 | 8 | 20.7 | 84 | 52 | 229 |
| 65 | 2 1/2 | 76.1 | 190 | 149.2 | 22 | 8 | 23.9 | 100 | 66 | 229 |
| 80 | 3 | 88.9 | 210 | 168.3 | 22 | 8 | 27 | 117 | 77.5 | 229 |
| 100 | 4 | 114.3 | 255 | 200 | 22 | 8 | 30.2 | 146 | 101.5 | 229 |
| 125 | 5 | 139.7 | 280 | 235 | 22 | 8 | 33.4 | 178 | 127 | 305 |
| 150 | 6 | 168.3 | 320 | 269.9 | 22 | 12 | 35 | 206 | 154 | 305 |
| 200 | 8 | 219.1 | 380 | 330.2 | 26 | 12 | 39.7 | 260 | 203 | 305 |
| 250 | 10 | 273 | 445 | 387.4 | 30 | 16 | 46.1 | 321 | 255 | 305 |
| 300 | 12 | 323.9 | 520 | 450.8 | 33 | 16 | 49.3 | 375 | 303.5 | 305 |
| 350 | 14 | 355.6 | 585 | 514.4 | 33 | 20 | 52.4 | 425 | - | 305 |
| 400 | 16 | 406.4 | 650 | 571.5 | 36 | 20 | 55.6 | 483 | - | 305 |
| 450 | 18 | 457 | 710 | 628.6 | 36 | 24 | 58.8 | 533 | - | 305 |
| 500 | 20 | 508 | 775 | 685.8 | 36 | 24 | 62 | 587 | - | 305 |
| 600 | 24 | 610 | 915 | 812.8 | 42 | 24 | 68.3 | 702 | - | 305 |
| 制造标准 | 压力等级 | 制造标准 | 压力等级 |
| HG/T 20615 | Class150 | HG/T 20615 | Class900 |
| Class300 | Class1500 | ||
| Class600 | Class2500 | ||
| 更多相关标准未列明尺寸请咨询客服 | |||
