Grille Fire Damper

Applications :

The grille damper is widely used in marine air conditioning system to prevent fire,The grill louver construction could be effective used to control the fire.

The damper is installed in the duct of ventilation system,At ordinary time,It is normal open,But in fire situation,closed to prevent the fire and somke.

Features:

1.Electircal close the damper.

2.The damper will be closed automatically when the temperature is 70 degree.

3.The voltage is DC24V

4.The control vlotage is AV24V,DC24V,AC220V.

5.Pneumatic operating pressure is 0.5-0.8Mpa.

Available size:

A	B	L		Ceiling opening
A	B	S、D	E	Ceiling opening
300	240	220	340	460X250
400	240	220	340	560X250
400	300	220	340	560X310
400	400	250	340	560X410
500	300	220	340	660X310
500	350	220	340	660X360
500	400	250	340	660X410
600	300	220	340	760X310
600	400	250	340	760X410
600	500	290	220	760X510
700	500	290	220	860X510
800	500	290	220	960X510
900	500	290	220	1060X510