口径 | A | A1 | B | B1 | C | C1 | C2 | D | D1 | D2 | D3 |
16″ | 1820 | 900 | 1643 | 662 | 3580 | 1970 | 920 | 862 | 687 | 337 | 606 |
18″ | 1920 | 950 | 1736 | 712 | 37410 | 2070 | 975 | 917 | 722 | 332 | 675 |
20″ | 2020 | 1000 | 1830 | 762 | 4131 | 2290 | 1080 | 962 | 752 | 332 | 727 |
24″ | 2030 | 1010 | 1909 | 842 | 3911 | 2180 | 1030 | 629 | |||
26″ | 2130 | 1060 | 1983 | 871 | 4307 | 2380 | 1130 | 658 | |||
28″ | 2440 | 1220 | 2257 | 1013 | 4715 | 2610 | 1250 | 767 |