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)