Back pressure valves are designed to prevent the reverse flow of the pumped service fluid in wellhead blowout control equipment, pipelines. They are installed on horizontal, vertical and lifting sections, in the direction of flow coinciding 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: от -60 до +60
  • Material class: АА, ВВ, СС, DD, ЕЕ, FF

Specifications

Type Nominal size, mm Work pressur 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 + + + +