Round fire damper
Application:
The model of fire damper is round shape,and widely used in the air contidioning system or ventilation system for preventing the fire,It can be controled by temperature,take
advantage of gravity and spring to close valve.
In fire situation,It can be automatically prevent the fire or smoke when the alloy have been fused,The fusing temperature is 280 ℃The fire damper should normal open on
getting compressed air&electrical power,and should be close on loss of compressed air or electirc power.
Feature:
1.Stainless steel construction to prevent fire
2.Electirc automatically close the damper
3.The damper will be close when the temperature is 70℃
4.The fusing temperature is 280℃,but the 90℃,110℃,150℃ could be supplied.
Available size:
|
Nom.dia.DN |
d 1 |
D 1 |
D |
No.of bolt holes |
|
100 |
106 |
136 |
155 |
6
|
|
125 |
131 |
161 |
180 |
|
|
150 |
156 |
186 |
205 |
|
|
175 |
181 |
211 |
230 |
8 |
|
200 |
206 |
236 |
255 |
|
|
250 |
256 |
286 |
305 |
12
|
|
300 |
306 |
336 |
355 |
|
|
350 |
356 |
386 |
405 |
|
|
400 |
406 |
436 |
455 |
16 |
|
450 |
460 |
492 |
510 |
|
|
500 |
510 |
542 |
560 |
20 |
|
600 |
610 |
642 |
660 |
|
|
700 |
710 |
742 |
760 |
24 |
|
800 |
810 |
842 |
860 |
28 |
|
900 |
910 |
942 |
960 |
|
|
1000 |
1010 |
1042 |
1060 |
32 |
Process drawing:
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