Round Manual Airtight Damper

Airtight Damper is mainly used in ventilation systems where smoke or hazardous gas is required to isolate smoke or hazardous gases from spreading along the duct. The airtight damper is open under the normal condition, when a fire breaks out in an area, producing smoke or harmful gases, the airtigh damper closes quickl.

Control Model: Manual, Electric, Pneumatic

Shape: Round or Rectangular

Connection Type: Welded or Flanged

Close Time: <2S

Material: Carbon Steel or Stainless Steel

Component: actuactor, body, blade, spindle, flange, connecting rod.