| Model | Coupling Designated Size | Dimension (mm) | Rated Failure Load
(kN) | ||||
| d | d1 | C | h | h1 | |||
| QH-7 | 16 | 16 | 17 | 24 | 100 | 57 | 70 |
| QH-10 | 16 | 16 | 17 | 24 | 100 | 57 | 100 |
| QH-12 | 16 | 18 | 17 | 24 | 114 | 65 | 120 |
| QH-16 | 20 | 20 | 21 | 34 | 155 | 100 | 160 |
| QH-16155 | 20 | 20 | 21 | 24 | 155 | 100 | 160 |
| QH-21 | 20 | 20 | 21 | 26 | 138 | 80 | 210 |
| QH-21140 | 20 | 20 | 21 | 26 | 140 | 83 | 210 |
| QH-21155 | 20 | 20 | 21 | 26 | 155 | 100 | 210 |
| QH-3224G | 24 | 28 | 25 | 34 | 175 | 110 | 320 |
| QH-32175 | 24 | 28 | 25 | 32 | 175 | 110 | 320 |
| QH-4228G | 28 | 32 | 29 | 36 | 200 | 120 | 420 |
| QH-42200 | 28 | 32 | 29 | 40 | 200 | 120 | 420 |
| QH-5532G | 32 | 34 | 33 | 40 | 220 | 140 | 550 |
