Leak-Tight / Seismic Pressure Relief Damper

The leak-tight / seismic pressure relief damper is resistant to seismic events and to the effects of high pressures and high air flow velocities.

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

TECHNICAL DATA
Leak-tightness in accordance with EN 1751 through the casing class C
Withstands the action of radioactive aerosols – decontamination possible
Minimum service life 40 years (maintenance-free design)