DSL – Shut-off damper SPIRO

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Manual shut-off damper, equipped with a rotating round blade, adjustable from 0° to 90°. The damper can be used when airtight sealing is not required. The damper admits an insulation thickness of approximately 50 mm. Made of galvanized sheet steel, with gaskets (EPDM) at both ends.
The damper can be used occasionally for balancing.

Product code: DSL