Louver Damper Type LD-J / ND-J
The robust damper housing made from optional stainless or galvanized steel can contain up to seven lamellae. Non return dampers with more than one lamella additionally have crossbars made from U-profile, welded to the damper housing. These cross-bars are serving as fixing for the lamellae and as supporting surface for the sealing. The lamellae are made …

Nederlands
