Marine Rectangular Fire Damper

Hi-Sea group can product and supply all kinds of marine fire damper, we aiming at providing the high quality and best price fire damper for our customers. We have more than 10 year experiences in marine fire damper.

Marine rectangular fire damper are especially designed for sea environment which used for resisting fire in HVAC duct system. The fire dampers are widely used for various ships, navies, off-shore platforms and underground projects etc.

1. Usage

Installed on the windpipe of air conditioning and ventilation system, The damper is normally opened but closes automatically at 70°C to let out smoke and retard fire.

2. Products Characteristic

-Several control ways to satisfy all kinds of needs.

-Fire rating: A0 , A30 , A60.

-Structure: rectangular appearance.

-Different signal equipment according to customers' requirements.

-DN of the marine rectangular fire damper: 60 mm＜L＜1800mm , 120mm＜H＜ 1800mm are available and special dimensions can be customized.

3. Technical Parameter (nominal size400×200 , 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

The sample drawing of the electrical marine rectangular fire damper

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	According your need	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