| 公称通径 Nominal Diameter | 端部外径 D Outside Diameter at Bevel | 背部至端面的距离 Back to End | DN | NPS | A 系列 Series A | B 系列 Series B | E | 长度E时极限厚度 T | E1 | 15 | 1/2 | 21.3 | 18 | 25 | 4.57 | 25 | 20 | 3/4 | 26.9 | 25 | 25 | 3.81 | 25 | 25 | 1 | 33.7 | 32 | 38 | 4.57 | 38 | 32 | 1.1/4 | 42.4 | 38 | 38 | 4.83 | 38 | 40 | 1.1/2 | 48.3 | 45 | 38 | 5.08 | 38 | 50 | 2 | 60.3 | 57 | 38 | 5.59 | 44 | 65 | 2.1/2 | 76.1(73) | 76 | 38 | 7.11 | 51 | 80 | 3 | 88.9 | 89 | 51 | 7.62 | 64 | 90 | 3.1/2 | 101.6 | - | 64 | 8.13 | 76 | 100 | 4 | 114.3 | 108 | 64 | 8.64 | 76 | 125 | 5 | 139.7 | 133 | 76 | 9.65 | 89 | 150 | 6 | 168.3 | 159 | 89 | 10.92 | 102 | 200 | 8 | 219.1 | 219 | 102 | 12.70 | 127 | 250 | 10 | 273.0 | 273 | 127 | 12.70 | 152 | 300 | 12 | 323.9 | 325 | 152 | 12.70 | 178 |
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| 以上为管帽部分参数,详细参数见本公司网站 |