扣合管径 | 牙板代号-数量 | 卡瓦体数量 | 载荷 | |
in | mm | |||
6⅝ | 168.3 | 2628-144 | 12 | 250/2250 |
7 | 177.8 | 2619-144 | ||
7⅝ | 193.7 | 2630-144 | ||
8⅝ | 219.1 | 2630-156 | 13 | |
9⅝* | 244.5 | 2630-168 | 14 | |
10¾* | 273.1 | 2630-180 | 15 | |
11¾* | 298.5 | 2627-204 | 17 | |
13⅜* | 339.7 | 2630-216 | 18 | |
16* | 406.4 | 2631-252 | 21 | |
18⅝* | 473.1 | 2626-300 | 25 | |
20* | 508 | 2631-312 | 26 | |
24* | 609.6 | 2631-360 | 30 | |
26* | 660.4 | 2631-396 | 33 | |
30* | 762 | 2631-444 | 37 |