High Pressure Underbalanced Drilling Hose
| Standard | API Spec 7K |
| API Monogram | 7K-0106 / 17K-0008 |
| Tube | Polymer liner, HNBR inner rubber layer, oil resistance, corrosion resistance, high temperature resistance, gas permeation resistance |
| Reinforcement | High strength steel cable |
| Cover | Neoprene rubber based cover, fire-proof, wear resistance, oil resistance, ozone ageing resistant and ultraviolet light and applicable to marine environment. |
| Working temp | -25°C to + 100°C |
| Length | Maximum length: 70m |
| Length tolerance | Length up to 6.4m, with tolerance ± 64 mm; Length longer than 6.4m with tolerance ± 1% |
| Fire proof Standard | Hose meets fire proof grade SR6A, which is 704°C × 5min Fire-Rated Hose supplied as per request with extra fire protection layers, meets fire proof grade SR6B, which is 704°C × 30min |
| Bend Radius | Measured to centre line of the hose |
| External Protection Layer | Embedded electric heat trace cable is available upon request for low temperature operating condition. Different option of external protection layer is available on request or by our recommendation according to individual operation condition, for example, stainless steel armour outer wrap, embedded stainless steel wire in cover, or polyethylene spiral guard, etc. |
| Type | Internal Dia | Outside Dia | Working Pressure | Test Pressure | Safety Factor | MBR (Storage) | MBR (Operation) | Weight | Length Max |
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| Inch | MM | Inch | MM | (Bar) | (PSI) | Bar | PSI | (m) | (M) | Kg/m | (M) | ||
| UDG-SZ-51x34.5 | 2 | 51 | 4.17 | 106 | 345 | 5,000 | 690 | 10,000 | 2.5 | 0.8 | 0.9 | 10 | 70 |
| UDG-SZ-64x34.5 | 2 1/2 | 64 | 4.6 | 118 | 345 | 5,000 | 690 | 10,000 | 2.5 | 0.9 | 1.0 | 16 | 70 |
| UDG-SZ-64x51.7 | 2 1/2 | 64 | 5.35 | 136 | 517 | 7,500 | 1,034 | 15,000 | 2.5 | 1.0 | 1.2 | 23 | 70 |
| UDG-SZ-76x34.5 | 3 | 76 | 5.28 | 134 | 345 | 5,000 | 690 | 10,000 | 2.5 | 1.0 | 1.2 | 18 | 70 |
| UDG-SZ-76x51.7 | 3 | 76 | 5.98 | 152 | 517 | 7,500 | 1,034 | 15,000 | 2.5 | 1.1 | 1.3 | 32 | 70 |
| UDG-SZ-89x34.5 | 3 1/2 | 89 | 5.75 | 138 | 345 | 5,000 | 690 | 10,000 | 2.5 | 1.2 | 1.4 | 22 | 70 |
| UDG-SZ-89x51.7 | 3 1/2 | 89 | 6.57 | 167 | 517 | 7,500 | 1,034 | 15,000 | 2.5 | 1.3 | 1.5 | 37 | 70 |
| UDG-SZ-102x34.5 | 4 | 102 | 6.8 | 173 | 345 | 5,000 | 690 | 10,000 | 2.5 | 1.3 | 1.5 | 35 | 70 |
| UDG-SZ-102x51.7 | 4 | 102 | 7.08 | 168 | 517 | 7,500 | 1,034 | 15,000 | 2.5 | 1.4 | 1.6 | 41 | 70 |
| UDG-SZ-127x34.5 | 5 | 127 | 8.11 | 206 | 345 | 5,000 | 690 | 10,000 | 2.5 | 1.5 | 1.6 | 54 | 70 |
| UDG-SZ-127x51.7 | 5 | 127 | 8.66 | 220 | 517 | 7,500 | 1,034 | 15,000 | 2.5 | 1.5 | 1.7 | 68 | 70 |
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