
| 公称尺寸 | 钢管外径 | 连接尺寸 | 法兰厚度 | 法兰颈 | 法兰高度 | 管螺纹规格Rc、Rp或NPT | ||||
| 法兰外径 | 螺栓孔中心圆直径 | 螺栓孔直径 | 螺栓孔数量 | N | R | |||||
| DN | A | D | K | L | n | C | H | in | ||
| 10 | 17.2 | 90 | 60 | 14 | 4 | 16 | 30 | 4 | 22 | 3/8 |
| 15 | 21.3 | 95 | 65 | 14 | 4 | 16 | 35 | 4 | 22 | 1/2 |
| 20 | 26.9 | 105 | 75 | 14 | 4 | 18 | 45 | 4 | 26 | 3/4 |
| 25 | 33.7 | 115 | 85 | 14 | 4 | 18 | 52 | 4 | 28 | 1 |
| 32 | 42.4 | 140 | 100 | 18 | 4 | 18 | 60 | 6 | 30 | 1 1/4 |
| 40 | 48.3 | 150 | 110 | 18 | 4 | 18 | 70 | 6 | 32 | 1 1/2 |
| 50 | 60.3 | 165 | 125 | 18 | 4 | 20 | 84 | 6 | 34 | 2 |
| 65 | 76.1 | 185 | 145 | 18 | 8 | 22 | 104 | 6 | 38 | 2 1/2 |
| 80 | 88.9 | 200 | 160 | 18 | 8 | 24 | 118 | 8 | 40 | 3 |
| 100 | 114.3 | 235 | 190 | 22 | 8 | 24 | 145 | 8 | 44 | 4 |
| 125 | 139.7 | 270 | 220 | 26 | 8 | 26 | 170 | 8 | 48 | 5 |
| 150 | 168.3 | 300 | 250 | 26 | 8 | 28 | 200 | 10 | 52 | 6 |
| 制造标准 | 压力等级 | 制造标准 | 压力等级 |
| GB/T 9114 | PN6 | HG/T 20592 | PN6 |
| PN10 | PN10 | ||
| PN16 | PN16 | ||
| PN25 | PN25 | ||
| PN40 | PN40 | ||
| PN63 | HG/T 20615 | Class150 | |
| PN100 | Class300 | ||
| Class150 | ASME B16.5 | Class150 | |
| Class300 | Class300 | ||
| Class600 | Class600 | ||
| Class900 | Class900 | ||
| Class1500 | DIN 2565 | PN6 | |
| Class2500 | DIN 2566 | PN10/PN16 | |
|
更多相关标准未列明尺寸请咨询客服 |
|||