Product parameter
| Model | Inner Diameter | Outer Diameter | Working Pressure | Burst Pressure |
| mm | mm | MPa/PSI | MPa/PSI | |
| FY-HFF-1/2 | 12.7 | 16.7 | 0.6/90 | 2.2/320 |
| FY-HFF-5/8 | 14 | 18 | 0.6/90 | 2.2/320 |
| FY-HFF-3/4 | 18 | 22 | 0.6/90 | 2.2/320 |
| Model | Inner Diameter | Outer Diameter | Working Pressure | Burst Pressure |
| mm | mm | MPa/PSI | MPa/PSI | |
| FY-HFF-1/2 | 12.7 | 16.7 | 0.6/90 | 2.2/320 |
| FY-HFF-5/8 | 14 | 18 | 0.6/90 | 2.2/320 |
| FY-HFF-3/4 | 18 | 22 | 0.6/90 | 2.2/320 |