QV VCD in-line spiral duct Shutoff Damper with Seal (AL) Product Part Number 100mm - QV-SDD100125mm - QV-SDD125150mm - QV-SDD150200mm - QV-SDD200250mm - QV-SDD250300mm - QV-SDD300 Description This damper features EPDM gaskets at both flange connections and
100mm – QV-SDD100
125mm – QV-SDD125
150mm – QV-SDD150
200mm – QV-SDD200
250mm – QV-SDD250
300mm – QV-SDD300
This damper features EPDM gaskets at both flange connections and is designed to accommodate cladding with insulation up to 50 mm thick.
It is a suitable option for ductwork systems where full airtightness is not required. The dampers closing position is indicated on a control handle dial ranging from 0 to 90, and the opening angle can be locked in place with a screw.
All standard DASL dampers are constructed from galvanized steel sheet.
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