The valves are designed to prevent the reverse flow of the pumped well fluid in wellhead blowout control equipment and pipelines. They are installed on horizontal, vertical and lifting sections, downstream with the arrow on the valve body.
- Valve operation – automatic
- Meets technical requirements API 6A, 16С
- Nominal size, mm (in): 65-103 (2 9/16-4 1/16)
- Work pressure, MPa (PSI): 21-105 (3000-15000)
- Service environment: oil, gas, solution, water
- Work temperature, °С: from -60 to +60
- Material class: АА, ВВ, СС, DD, ЕЕ, FF
Specifications
| № | Type | Nominal size, mm | Work pressureе PSI/MPa | ||||
| mm | in | 3000/21 | 5000/35 | 10000/70 | 15000/105 | ||
| 1 | RV | 65 | 2 9/16 | + | + | + | + |
| 2 | RV | 78 | 3 1/16 | – | – | + | + |
| 3 | RV | 80 | 3 1/8 | + | + | + | + |
| 4 | RV | 103 | 4 1/16 | + | + | + | + |