Light gauge ducting systems
The AADA sliding dampers are activated by pneumatic FESTO cylinders and monostable solenoid valve, the airtightness is achieved up to Ø200 mm with two gaskets sets (EPDM and PEHD) but with only one plastic gasket set as of Ø225 mm. The plastic seal can be replaced by Teflon depending on the temperature.
The use of the AADA pneumatic sliding dampers in under-pressure and pressureless systems optimizes the installation and allows that only the machines needed are used and for lower running costs.