Light gauge ducting systems

Manual sliding damper with gasket


Robust manual sliding dampers with rubber and PEHD polyether sealing ring for use in under-pressure and pressureless systems.

The airtightness is achieved up to Ø 200 mm with two gaskets sets (EPDM and PEHD) but with only one plastic gasket set as of Ø 225 mm. The plastic seal can be replaced by Teflon depending on the temperature.

Only applied when a ducting needs to be completely open or closed.


Rolled, folded and welded sheets with 6 mm edges for lock rings.