| Specifications | Meaning |
|---|
| Operating environment | Oxygen |
| Outlet pressure not more than | 20 МPa |
| Mass gas flow rate, m 3/h, not less than | 50 |
| Operating ambient temperature | -50°…+60°С |
| Nominal thread diameter of attachment to tank | W27,8 |
| Body outlet fitting thread | G3/4''-А ГОСТ 6357 |
| Weight, not more than | 0,7 kg |
| Reliability rate: time to failure, not less than | 3000 cycles |
| Average useful life, not less than | 6 years |
The oxygen cylinder valve VKB-20 is designed for installation on oxygen cylinders with a working pressure of ≤20 MPa (200 kgf / cm2) and is a shut-off device during filling, storage and consumption of oxygen. It is allowed to use VKB-20 valves for installation on cylinders of neutral (compressed air, nitrogen) and inert (argon, helium) gases, subject to prior change of color of the flywheel.
