(ROBS) Round Opposed Blade Sealed Damper

ROBS spec sheet (PDF)

The ROBS is our round opposed blade sealed damper designed to fit inside pipe sizes ranging from 16″ to 48″ round.

The welded 2″ deep frame is undersized 1/4″ for ease of installation, the damper blades are a formed 16 ga. galvanized steel with linkage in the airstream for better blade operation.

To keep leakage to a minimum we have installed spring stainless steel to the side jambs, BES vinyl seals on the blades and neoprene gasket on the frame for the curved edge of the blade to seal up tightly against.

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