| 代号 | API 代号 |
| C13-106(XX) | C13-106 |
| C13-125(XX) | C13-125 |
| C13-150(XX) | C13-150 |
| C13-175(XX) | C13-175 |
| C13-200(XX) | C13-200 |
| C13-225(XX) | C13-225 |
| C13-250(XX) | C13-250 |
| C13-275(XX) | C13-275 |
| C13-375(XX) | C13-375 |
注:①XX为材料标识代号;
②球腔导向,减少阀球飘忽量,促使阀球快速回落;
③可适用于斜度井。


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