HG /T 20631 - 2009 法兰(B系列)用带对中环(C型)或带内环和对中环(D型)缠绕垫片
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| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 650 | 28 | 824 | 762 | 723.9 | 749.3 | 4.5 | 3 | 704.8 | 723.9 | 704.8 | 775 |
| 700 | 32 | 939 | 863.6 | 825.5 | 850.9 | 4.5 | 3 | 806.4 | 825.5 | 806.4 | 880 |
| 750 | 36 | 1047 | 965.2 | 927.1 | 958.9 | 4.5 | 3 | 908 | 927.1 | 908 | 986 |
| 800 | 40 | 1149 | 1098.6 | 1022.4 | 1063.6 |
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| 4.5 |
| 3 |
| 1022.4 |
| 1060.5 |
| 1009.6 |
| 1094 |
| 850 | 42 | 1200 | 1149.4 | 1079.5 | 1114.4 | 4.5 | 3 | 1085.8 | 1111.3 | 1060.4 | 1144 |
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