Bypass check valve

Bypass check valve

Bypass check valve ensures reliable discharge of gas from annular space into production line.


Gas bypass from annulus to production line.


  • Easy to install;
  • High repairability;
  • High reliability;
  • Corrosion-resistant modification is available;


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

Order reference


Technical specification

  • Operating pressure*, MPa (Psi):
  • up to 21 (3045)
  • Nominal pipe size**, inch (mm):
  • 2.5 (65)
  • Flow rate, bopd (m3 /d):
  • up to 25160 (4000)
  • Connection flanges:
  • up to Customer’s requirements

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