WA型安全卡瓦用于卡持平接头管柱和钻铤，有两种型号：WA-C型适用管径为3-1/2~15-5/8in（88.9~396.9mm），WA-T型适用管径为1-1/8~4-1/2in（28.6~114.3mm）。MP型安全卡瓦是用来卡持钻铤、光滑接头及小台肩管柱的不可缺少的工具。通过简单地增加或减少链节数可适用各种管柱的需求。
主要技术参数
| 型号 |
适用管径 |
链接数 |
重量 |
| mm（in） |
kg |
Ib |
| WA-C |
88.9~117.5（3-1/2~4-5/8） |
7 |
20.9 |
46 |
| 114.3~142.9(4-1/2~5-5/8) |
8 |
25.0 |
55 |
| 139.7~168.3(5-1/2~6-5/8) |
9 |
27.7 |
61 |
| 165.1~193.7(6-1/2~6-5/8) |
10 |
29.1 |
64 |
| 190.5~219.1(7-1/2~6-5/8) |
11 |
31.3 |
69 |
| 215.9~244. 5(8-1/2~9-5/8) |
12 |
32.7 |
72 |
| 241.3~269.9(9-1/2~10-5/8) |
13 |
40.0 |
88 |
| 266.7~295.3(10-1/2~11-5/8) |
14 |
41.8 |
92 |
| 292.1~230.7(11-1/2~12-5/8) |
15 |
44.0 |
97 |
| 317.5~346.1(12-1/2~13-5/8) |
16 |
46.3 |
102 |
| 342.9~371.5(13-1/2~14-5/8) |
17 |
48.6 |
107 |
| 368~396.9(14-1/2~15-5/8) |
18 |
50.9 |
112 |
| WA-T |
28.6~50.8(1-1/8~2) |
4 |
16.3 |
36 |
| 54..0~82.6(2-1/8~3-1/4) |
5 |
18.2 |
40 |
| 88.9~114.3(3-1/2~4-1/2) |
6 |
20.0 |
44 |
| 型号 |
适用管径 |
链节数 |
型号 |
适用管径 |
链节数 |
| MP-S |
2-7/8~4-1/8 |
7 |
MP-L |
15-7/8~17 |
17 |
| 4~5 |
8 |
17~18-1/2 |
18 |
| 4-1/2~5-5/8 |
7 |
18-1/8~19-3/8 |
19 |
| MP-R |
5-1/2~7 |
8 |
MP-XL |
19-3/8~20-3/8 |
19 |
| 6-3/4~8-1/4 |
9 |
20-3/8~21-1/2 |
20 |
| 8~9-1/4 |
10 |
21~22-5/8 |
21 |
| 9~1/4~10-1/2 |
11 |
22-5/8~23-3/4 |
22 |
| MP-M |
10-1/2~11-1/2 |
12 |
23-3/4~24-7/8 |
23 |
| 11-1/2~11-1/2 |
13 |
24-7/8~26 |
24 |
| 12-1/2~13-5/8 |
14 |
26~27-1/8 |
25 |
| 13-5/8~14-3/4 |
15 |
29-3/8~30-1/2 |
28 |
| 14-3/4~15-7/8 |
16 |
|
| |
