Non-freezing check valve

Non-freezing check valve

Non-freezing check valve ensures reliable discharge of gas from annular space into production line.

Application

Gas bypass from annulus to production line.

Advantages

  • Replacement of seat & ball valve without body removal;
  • Valve freezing is prevented due to operating parts located in produced fluid flow;

Benefits

  • Low maintenance cost;
  • Normalization of well operation due to maintenance of constant annular pressure;
  • High repairability;

Order reference

NFCV-30
30 (3 1/2”) – tubing ID

Technical specification

  • Nominal pipe size, inch (mm):
  • 2.5 (65)
  • Operating pressure, Psi (MPa):
  • 3045 (21)
  • Connection OD, inch (mm):
  • for welding on pipe Ø 3 1/2 (89), Ø 4 1/2 (114)
  • Valve actuation pressure, MPa (Psi):
  • 0.03 – 10 (4,35 – 1450)

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