| Features & Benefits | Assure bubble-tight tightness at differential pressure up to 20KPa, Stand high pressure in elastic range, Maintain all functions after high pressure, Good corrosion resistant performance |
| Frame material | Coated steel/SS304/SS316 |
| Blade material | Coated steel/SS304/SS316 |
| Working pressure | 30KPa |
| Zero-leakage pressure | 20KPa |
| Sealing type | Silicon Rubber |
| Leakage rating (Standards) EN1751:2014 Ventilation for buildings. Air terminal devices. Aerodynamic test. |
Figure 1 (Blade): Class 4 (the best) Figure 2 (Casing): Class C (The best) |
| Leakage rating (Standards) AMCA 500D-18 Laboratory Methods of Testing Dampers for Rating | FIGURE 5.8: Bubble-tight (Zero Leakage) at 100KPa |
| Leakage rating (Standards) KTA 3601-2017 Ventilation Systems in Nuclear Power Plants | Class 1 (The best) |
| Certificates | Product is certified by ERUOFINS EXPERT SERVICES, Finland. Test report available upon request. |
| Applications | NBC shelters, OGP, Chemical, Nuclear power, Others |
