Marine manual fire damper

Application:

Fire dampers are used in marine or bulidings to regualte the flow of air in an HVAC system,They can be used in intake,exhaust,or mixed air applications.

Features:

1.Fire damper is open in normal condition.

2.Fusing temp is 70 ±3 °C,If temperature of air within damper duct exceeds 70 ±3 °C.The fusible of fire damper will be broken to close the fire damper.

3.Close time:<2S.

4.Air leakage rate:<5m³/ m² .h

5.Handle steel dragline could shut off the fire damper locally,The dragline is 1.5M length.

6.The electrical signal could be output according to user's requirement.

7.Fire damper should be reset manually.

Installation:

1.shipeyard should check the fire damper and ensure everything is OK before installation.

2.Fire damper should have a independent support to ensure the fuction of the fire damper.

3.A service space of at least 350mm should be reserved for maintenance.

4.Manhole of at least 450x450mm is required when the fire damper is installed above ceiling or on duct.

5.No fire or welding are permitted with a scope of 3m from fire dampers,in order to ensure the temperature of sensor less than 65 °C.

6.Fire damper should be tested during installation,and be inspected regularly after installation.

Available size:

Description	Type	axb	L	Flange size
Rectangular single-blade	CFH-S axb	100x100~500x700	≥250	According to GB1561-79
Circular single-blade	CFH-S ΦD	100~500	≥250	According to GB1561-79
Rectangular multi-blades	CFHD-S axb	300x400~1600x2000	≥250	According to GB1561-79
Circular multi-blades	CFHD-S ΦD	300~1800	≥300	According to GB1561-79