Marine Electric Fire Damper

Hi-Sea are specialize in producing various marine electric fire damper, including remote control electric fire damper, electric smoke and fire damper, electric exhaust damper and so on. The fire dampers are widely used for various ships, navies, off-shore platforms and underground projects etc.
Marine Electric Fire Damper
1. Functions and features
-The valve will be shutdown automatically when the fuse block move at temperature of 70℃.
-operation device is consisted of electric actuator with spring reset, and temperature controlled switch. At ordinary time, the electric actuator must be electrified to make damper at open condition, when in fire situation, the damper will be closed by the spring, thus act as the function of preventing fire and smoke. Usually this damper is used in difficult operation system and high automated level required system.
- Damper opens through continuous power supply by Fire Service Center, DC 24V and close when power is off. If reset and start again, then new continuous power supply is needed
- When turned on or off, it outputs two groups of active contact signal
-The damper will be automatically shutdown and turn on when electric signal sent to the valve.
-The fire rating optional: A0, A15, A30, A60.
-Structure: round /rectangular appearance, single/multi blade is optional.
-Dimensions of the marine electric fire damper:
Round electric fire damper: DN100 mm- DN1400mm are available.
Rectangular electric fire damper: 60 mm＜L＜1800mm , 120mm＜H＜1800mm.
We also can satisfy you special requirement of the dimensions.

2.Technical Parameter (nominal size of rectangular electric fire damper :400×200 , 400×300, 500×300, 600×300 for reference)

Nominal size	a	b	A	B	C	C1	t	t1	n	L
400×200	200	400	260	460	240	440	120	110	12	300
400×300	300	400	360	460	339	440	113	110	14	300
500×300	300	500	360	560	339	540	113	108	16	300
600×300	300	600	360	660	339	640	113	128	16	300

2. Marine-Rectangular-Fire-Dampers- Drawing.jpg

NO	NAME	REMARK	CODE	QTY
1	Micro Switch	Combination Piece		1
2	Junction Box	Combination Piece		1
3	Electric Actuator	Import( Belimo etc)	BLF230	1
4	Flange	Q235-B Dip Zinc	5mm	2
5	Bain Axle	SUS304		1
6	Blade	Q235-B Dip Zinc	5mm	1
7	Temperature Fuse	Combination Piece	70°C±3°C	1
8	Valve	Q235-B Dip Zinc	4mm	1