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Quantity Regulator/Regulating Shelves

Non-return Damper DA

Non-return shutter SR // New Model

Fire Damper / Smoke Damper DFIRE

Manual Regulation Gear Damper DRG // Regulation with an Engine Damper DRGM

Manual Regulation Damper DRY // Regulation with an Inner or External Engine Damper DRM

Unreturned Shutter SR // Old Model

Air Quantity Regulator RG