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With a long mechanical life and capable of enduring frequent insertion and removal Bi-directional sealing ensuring connection/disconnection without leakage
Robust and highly resistant to wear and corrosion
With a flat head, ensuring cleanliness and preventing entry of impurities, air, etc.
| Product Model | Diameter | Maximum Operating Pressure（bar） | Maximum Flow Rate（L/min） | Leakage per Insertion/Removal（ml/次） | Connection Force without Internal Pressure N) | |
| Standard Version | High-pressure version | |||||
| QCH-04 | 04 | 160 | 500 | 3.80 | 0.0033 | 98 |
| QCH-06 | 06 | 160 | 500 | 8.50 | 0.004 | 139 |
| QCH-08 | 08 | 160 | 500 | 15.10 | 0.005 | 162 |
| QCH-10 | 10 | 160 | 500 | 23.70 | 0.008 | 199 |
| QCH-12 | 12 | 160 | 250 | 33.95 | 0.009 | 284 |
| QCH-15 | 15 | 160 | 250 | 53.00 | 0.017 | 356 |
| 20 | 160 | 250 | 94.3 | 0.021 | 347 | |
| QCH-25 | 25 | 160 | 250 | 147.3 | 0.025 | 401 |
