The GNG high-pressure, fire-resistant and heat-insulation hose assembly is engineered for well control applications. It is primarily used for the hydraulic control of the blowout preventer (BOP) during drilling operations, as well as for hydraulic transmission in high-temperature and flammable environments within the metallurgical industry.
The hose assembly is available in the following construction types:
| Nominal Inner Dia. (mm) | Outer Dia. of Hose Assembly (mm) | Working Pressure (MPa) | Min. Burst Pressure (MPa) | Min. Bending Radius (mm) | Thread | Operating Time (min) with Fire-Resistance at 750°C |
|---|---|---|---|---|---|---|
| 6.3 | 24 | 35 | 105 | 130 | NPT LP |
5 |
| 26 | 70 | 175 | 130 | 25 | ||
| 8 | 28 | 35 | 105 | 140 | 5 | |
| 32 | 70 | 175 | 140 | 25 | ||
| 10 | 30 | 35 | 105 | 160 | 5 | |
| 34 | 70 | 175 | 160 | 25 | ||
| 12.5 | 37 | 35 | 105 | 210 | 5 | |
| 43 | 70 | 175 | 210 | 25 | ||
| 16 | 41 | 35 | 105 | 260 | 5 | |
| 47 | 70 | 175 | 260 | 25 | ||
| 19 | 44 | 35 | 105 | 280 | 5 | |
| 50 | 70 | 175 | 280 | 25 | ||
| 22 | 47 | 35 | 105 | 320 | 5 | |
| 53 | 70 | 175 | 320 | 25 | ||
| 25 | 50 | 35 | 105 | 360 | 5 | |
| 56 | 70 | 175 | 360 | 25 | ||
| 31.5 | 56 | 35 | 105 | 460 | 5 | |
| 62 | 70 | 175 | 460 | 25 | ||
| 38 | 63 | 35 | 105 | 560 | 5 | |
| 69 | 70 | 175 | 560 | 25 |
Each nominal inner diameter is offered in two pressure classes (35 MPa working / 105 MPa burst and 70 MPa working / 175 MPa burst). Fire-resistance operating times are rated at 750°C.