Heavey Duty Damper


*Used constructed high quality galvanized
steel with stainless steel moving parts.
Enable the dampers to withstand adverse
environmental condition, as well as prevent
*Effectively seal by leakage, essential feature
of smoke control, and prevent the safety.
*Design by airfoil blades present very low
resistance to airflow.
*Performance by UL-555S and Certificate
by AMCA.
*High resistance pressure, content more
than 6,000 Pascal.
*Heat resistance up to 300 degree in 60 minutes.
*Ensure the proper functioning with pneumatic
or electric system.

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