Smoke- proof damper is installed on the air duct with the function of separating the fire and smoke ect.

Smoke- proof damper

Key specifications/Special features:

Application:

Fire fighting

Galvanized sheet, Manufacture of whole shaped with patent

Smoke-exhaustion

Supply air for civil buildings and industries

Specifications:

Square: 100*100mm to 1250*2000mm

Diameter: diameter100* diameter800mm

Two main types (Based on the difference of control model)

1.      FFD Type

Feature: Made of carbon steel (galvanized sheet), be resistant to rust with round and rectangular appearance, sizes may also follow customers requirements

Action temperature at  70 or 280, Fire resistant time 90 minutes

The angle of the blade is adjustable, convenient to change the air volume.

Temperature sensor, out put the signal.

2.  FFDE Type

Feature: Made of carbon steel (galvanized sheet), be resistant to rust with round and rectangular appearance, sizes may also follow customers requirements

Action temperature at  70 or 280, Fire resistant time 90 minutes

The angle of the blade is adjustable, convenient to change the air volume.

Temperature sensor, out put the signal, DC24V control