Leak-Tight / Seismic Air Flow Control Damper

The rectangular leak-tight / seismic control damper is specifically designed for air flow rate control in ventilation systems and offers a high level of leak-tightness. It is resistant to seismic events, to high pressures and to high air flow velocities.

TECHNICAL SPECIFICATIONS
Dimensions from 200 × 200 × 210 to 2,000 × 2,000 × 210 mm
Maximum air velocity inside the duct 25 m/s
Maximum pressure differential up to 7,500 Pa
Seismic resistance defined to RRS (DBE, APC) for the building location – tested for an acceleration above 10 g
Damper body material: galvanised steel, painted carbon steel or stainless steel

TECHNICAL DATA
Damper drive: mechanical, electric, pneumatic or combined
Leak-tightness to EN 1751 through the casing, class C, and through the blade, class 3 and 4
Withstands the action of radioactive aerosols – decontamination possible
Minimum service life 40 years (maintenance-free design)