FC-OV-D250 Overpressure valve is used as air outlet inside blast shelters. The valve regulates the over-pressure in different areas.
| Material | Optional materials include powder coated steel, HGS, SS304 and SS316. |
| Aerodynamic performance | Refers to Pressure Drop – Air Flow Rate curve. Tested by EN1751-1999. |
| Shock resistance | 20 g |
