The fire damper is intended for ventilation duct with fire requirement. When on fire, the temperature inside the duct reaches 70℃, fire damper will automatically close quickly to avoid fire spreading. According to the sh...
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Key Highlights
Category
Marine Fire Damper
Standard
DIN
Material
Steel, Stainless Steel
Weight / Size
Main Size List(mm): a b A B A1 B1 t1 t2 n L 100 130 156 186 136 166 68 8...
Certificate
CCS,BV,ABS,DNV, GL, EC, LR
We can supply according to your requirement, drawings, class certificate needs, and delivery schedule.
The fire damper is intended for ventilation duct with fire requirement. When on fire, the temperature inside the duct reaches 70℃, fire damper will automatically close quickly to avoid fire spreading. According to the shape, there are rectangular & round type. According to the control way, there are manual, electrical, pneumatic type.The blade can be single blade or multi-blades. The fireproof class can reach A60.
Design Standard: CB/T3557-1995
Fireproof class: A0,A15,A30,A60
Main Parts:pneumatic actuator, temperature detector, damper body, damper plate, main shaft, flange.
Main Functions & Features:
1) When the fire damper is connected to the compressed air or power on,the damper is turned on.When the damper loses the air or power,it is turned off. Pneumatic working pressure 0.5-0.8Mpa; 3)The solenoid valve can be controlled remotely or nearby to turn on or off the power supply, thereby opening or closing the damper; 4) Under an emergency situation, the damper can be closed remotely or nearby with the dragging line on TG.
2) When the temperature within the duct reaches 70 ± 3 ℃, the temperature fuse is blown, the reversing valve acts to cut off the air supply, close the damper;
Main Size List(mm):
a
b
A
B
A1
B1
t1
t2
n
L
100
130
156
186
136
166
68
83
8
320
100
200
156
256
136
236
68
118
8
100
250
156
306
136
285
68
95
10
100
350
158
408
136
388
68
97
12
120
150
176
206
156
186
78
93
8
120
210
176
266
156
246
78
82
10
120
280
176
336
156
315
78
105
10
120
470
176
526
156
505
78
101
14
150
220
206
276
186
258
93
86
10
150
350
208
408
186
388
93
97
12
150
530
208
588
186
570
93
114
14
190
280
246
336
226
318
113
106
10
190
390
248
488
226
428
113
107
12
190
550
248
608
226
588
113
98
16
190
760
250
820
226
798
113
114
18
240
300
296
356
279
339
93
113
12
240
420
298
478
279
460
93
115
14
240
550
298
608
279
588
93
98
18
240
730
298
788
279
768
93
96
22
240
930
300
990
279
970
93
97
26
290
360
348
418
330
400
110
100
14
290
460
348
518
330
500
110
100
16
290
580
348
638
330
624
110
104
18
290
730
348
788
330
770
110
110
20
350
480
408
538
392
520
98
104
18
350
600
408
658
392
642
98
107
20
350
880
410
940
392
920
98
92
28
420
710
480
770
460
752
115
94
24
420
990
480
1050
460
1030
115
103
28
500
810
560
870
540
848
108
106
26
L can be decided by the customer.
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请求信息 : 2026-06-14 17:15:03 HTTP/2.0 GET : https://www.jinbomarine.com/print/Marine-Rectangular-Pneumatic-Fire-Damper