煤层注水封孔器
作用：放入煤层钻孔中进行封孔后注水
执行标准：MT/T 1110-2011
| 规格型号 | 外径（mm） | 适用孔径(mm) | 自由状态下膨胀外径(mm) | 工作压力(MPa) |
| FKSS-30/20 | 28 | 30 | 40-50 | 2-20 |
| FKSS-32/20 | 32 | 32 | 45-55 | 2-20 |
| FKSS-38/20 | 35 | 38 | 50-60 | 2-20 |
| FKSS-40/20 | 36 | 40 | 58-70 | 2-20 |
| FKSS-42/20 | 38 | 42 | 60-70 | 2-20 |
| FKSS-50/20 | 45 | 50 | 75-85 | 2-20 |
| FKSS-55/20 | 50 | 55 | 80-90 | 2-20 |
| FKSS-65/20 | 55 | 65 | 85-95 | 2-20 |
| FKSS-75/20 | 65 | 75 | 90-100 | 2-20 |
| FKSS-94/20 | 75 | 94 | 100-110 | 2-20 |
