带颈对焊法兰WN
带颈对焊法兰 ASME/ANSI B16.5 Class 300 WN
2021-01-06带颈对焊法兰标准尺寸及重量（ASME/ANSI B16.5 Class 300 WN）
| 尺寸规格 | 法兰外径 | 突面外径 | 法兰最小厚度 | 颈部直径 |
钢管外径 （法兰焊端外径） |
含颈高度 | 法兰内径 | 螺栓孔中心距 | 螺栓孔直径 | 螺栓孔直径 | 近似重量 kgs |
| NPS | O | R | tf | X | A | Y | B | W | I | n | |
| 1/2 | 95 | 34.9 | 12.7 | 38 | 21.3 | 51 | 15.8 | 66.7 | 15.9 | 4 | 0.77 |
| 3/4 | 115 | 42.9 | 14.3 | 48 | 26.7 | 56 | 20.9 | 82.6 | 19.1 | 4 | 1.26 |
| 1 | 125 | 50.8 | 15.9 | 54 | 33.4 | 60 | 26.6 | 88.9 | 19.1 | 4 | 1.67 |
| 1 1/4 | 135 | 63.5 | 17.5 | 64 | 42.2 | 64 | 35.1 | 98.4 | 19.1 | 4 | 2.17 |
| 1 1/2 | 155 | 73.0 | 19.1 | 70 | 48.3 | 67 | 40.9 | 114.3 | 22.2 | 4 | 2.99 |
| 2 | 165 | 92.1 | 20.7 | 84 | 60.3 | 68 | 52.5 | 127.0 | 19.1 | 8 | 3.54 |
| 2 1/2 | 190 | 104.8 | 23.9 | 100 | 73.0 | 75 | 62.7 | 149.2 | 22.2 | 8 | 5.37 |
| 3 | 210 | 127.0 | 27.0 | 117 | 88.9 | 78 | 77.9 | 168.3 | 22.2 | 8 | 7.23 |
| 3 1/2 | 230 | 139.7 | 28.6 | 133 | 101.6 | 79 | 90.1 | 184.2 | 22.2 | 8 | 9.10 |
| 4 | 255 | 157.2 | 30.2 | 146 | 114.3 | 84 | 102.3 | 200.0 | 22.2 | 8 | 11.75 |
| 5 | 280 | 185.7 | 33.4 | 178 | 141.3 | 97 | 128.2 | 235.0 | 22.2 | 8 | 15.73 |
| 6 | 320 | 215.9 | 35.0 | 206 | 168.3 | 97 | 154.1 | 269.9 | 22.2 | 12 | 20.30 |
| 8 | 380 | 269.9 | 39.7 | 260 | 219.1 | 110 | 202.7 | 330.2 | 25.4 | 12 | 30.87 |
| 10 | 445 | 323.8 | 46.1 | 321 | 273.0 | 116 | 254.6 | 387.4 | 28.6 | 16 | 44.75 |
| 12 | 520 | 381.0 | 49.3 | 375 | 323.8 | 129 | 304.8 | 450.8 | 31.8 | 16 | 64.08 |
| 14 | 585 | 412.8 | 52.4 | 425 | 355.6 | 141 | 336.5 | 514.4 | 31.8 | 20 | 89.57 |
| 16 | 650 | 469.9 | 55.6 | 483 | 406.4 | 144 | 387.3 | 571.5 | 34.9 | 20 | 112.01 |
| 18 | 710 | 533.4 | 58.8 | 533 | 457.0 | 157 | 437.9 | 628.6 | 34.9 | 24 | 136.08 |
| 20 | 775 | 584.2 | 62.0 | 587 | 508.0 | 160 | 488.9 | 685.8 | 34.9 | 24 | 165.07 |
| 24 | 915 | 692.2 | 68.3 | 702 | 610.0 | 167 | 590.9 | 812.8 | 41.3 | 24 | 239.43 |
更多相关带颈对焊法兰尺寸表
| 制造标准 | 压力等级 | 制造标准 | 压力等级 | 制造标准 | 压力等级 |
| HG/T 20592 | PN10 | GB/T 9115 | PN2.5 | ASME B16.5 | Class150 |
| PN16 | PN6 | Class300 | |||
| PN25 | PN10 | Class600 | |||
| PN40 | PN16 | Class900 | |||
| PN63 | PN25 | Class1500 | |||
| PN100 | PN40 | Class2500 | |||
| PN160 | PN63 |
ASME B16.47 Series B API 605 |
Class75 | ||
| HG/T 20615 | Class150 | PN100 | Class150 | ||
| Class300 | PN160 | Class300 | |||
| Class600 | PN250 | Class600 | |||
| Class900 | PN320 | Class900 | |||
| Class1500 | PN400 |
ASME B16.47 Series A MSS SP-44 |
Class150 | ||
| Class2500 | GB/T 9115 | Class150 | Class300 | ||
| DIN 2631 | PN6 | Class300 | Class600 | ||
| DIN 2632 | PN10 | Class600 | Class900 | ||
| DIN 2633 | PN16 | Class900 | BS 3293 | Class150 | |
| DIN 2634 | PN25 | Class1500 | Class300 | ||
| DIN 2635 | PN40 | Class2500 | Class600 | ||
|
更多相关标准未列明尺寸请咨询客服 |
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