钻铤卡瓦
发布时间: 2014-08-28 14:06
DCS型钻铤卡瓦有S、R、L三个型号，适用于卡持直径3in（76.2mm）至14in（355.6mm）的钻铤。
钻铤卡瓦型号 | 钻铤外径 | 重量 | 配用内衬号 |
in | mm | kg | lb |
DCS-S | 3-4 | 76.2-101.6 | 51 | 112 | API or No.3 |
4-4 7/8 | 101.6-123.8 | 47 | 103 |
DCS-R | 4 1/2-6 | 114.3-152.4 | 54 | 120 |
5 1/2-7 | 139.7-177.8 | 51 | 112 |
DCS-L | 6 3/4-8 1/4 | 171.4-209.6 | 70 | 154 |
8-9 1/2 | 203.2-241.3 | 78 | 173 |
8 1/2-10 | 215.9-254 | 84 | 185 | No.2 |
9 1/4-11 1/4 | 235-285.7 | 90 | 198 |
11-12 3/4 | 279.4-323.9 | 116 | 256 | No.1 |
12-14 | 304.8-355.6 | 107 | 237 |
