OBS – Opposed Blade Sealed Damper

The OBS sealed control damper offers a sturdy steel construction. The damper frame is a 16 ga. galvanized welded design to keep the damper square and true to form. The blades are formed 16 ga. galvanized with linkage in the airstream for better blade operation. The blades seal tightly against the frame with the use of spring stainless steel side jambs and BES vinyl blade seals. Bronze oilite bushings offer low maintenance and ease of operation. Dampers of the same height can easily operate sectioned together by linking the blade with a connecting rod from one damper section to the blade of the next damper section. Please consult factory for best options and sizes.

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