DCS钻铤卡瓦
相关介绍
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,通过更换牙板或增减卡瓦体数量来改变卡持尺寸。产品按API Spec 7K要求设计制造。
钻铤卡瓦型号 |
DCS-S |
DCS-R |
DCS-L | ||||||||
钻铤外径 | in |
3-4 |
4-47/8 | 41/2-6 | 51/2-7 | 63/4-81/4 |
8-91/2 |
81/2-10 | 91/4-111/4 | 11-123/4 | 12-14 |
mm | 76.2-101.6 | 101.6-123.8 | 114.3-152.4 | 139.7-177.8 | 171.4-209.6 | 203.2-241.3 | 215.9-254 | 235-285.7 | 279.4-323.9 | 304.8-355.6 | |
重量 | kg | 51 | 47 | 54 | 51 | 70 | 78 | 84 | 90 | 94 | 96.5 |
lb | 112 | 103 | 120 | 112 | 154 | 173 | 185 | 198 | 208 | 213 | |
配用内衬号 | APIor No.3 | No.2 | No.1 |