阀杆 | 代号 | API 代号 | Lq,mm |
11/16” | C12M-106(XX) | C12M-106 | 38.10 |
11/16” | C12M-125(XX) | C12M-125 | 38.10 |
11/16” | C12M-150-20(XX) | C12M-150-20 | 38.10 |
7/8” | C12M-150-25(XX) | C12M-150-25 | 38.10 |
7/8” | C12M-175(XX) | C12M-175 | 38.10 |
7/8” | C12M-200(XX) | C12M-200 | 38.10 |
1 1/16” | C12M-225(XX) | C12M-225 | 38.10 |
1 1/16” | C12M-250(XX) | C12M-250 | 38.10 |
1 1/4” | C12M-325(XX) | — | 38.10 |
注:①XX为材料标识代号;
②Lq为管线管螺纹端沉孔深度,Lq长度增加,有效减少阀杆螺纹根部断裂情况的出现,适用于深井和高冲次井。