| Provide bubble-tight tightness at differential pressure up to 100KPa | Offers outstanding protection even there is significant air pressure change on damper. |
| Stand high pressure in elastic range | Able to stand 180KPa without deformation. |
| Maintain all functions after high pressure | Offer the reliable protection under critical situations such as dramatically fluctuating air pressure. |
| Good corrosion resistant performance | Frames are made of chemical-resistant materials such as galvanized steel, nickel coated steel, stainless steel, etc. |
| Frame material | Galvanized steel/Nickel coated steel/SS304/SS316 |
| Blade material | Galvanized steel/Nickel coated steel/SS304/SS316 |
| Working pressure | 180KPa |
| Zero-leakage pressure | 100KPa |
| Sealing type | Fluoro rubber |
| Leakage rating Standards (EN1751:2014 Ventilation for buildings. Air terminal devices. Aerodynamic test.) |
FIGURE 1 (Blade): Class 4
FIGURE 2 (Casing): <0,25 dm3/h |
| 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 |
| Certificates | Product is certified by ERUOFINS EXPERT SERVICES, Finland. Test report available upon request. |
| Application | NBC shelters, OGP, Chemical, Nuclear power, Others |
