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Product Description
Rectangular Type Marine Fire Damper CB/T 3557-1995
Application:
Fire dampers are suitable for the ventilation and air-conditioning systems of ships and drilling platforms, as well as the ventilation and air-conditioning systems of various buildings and key departments on land.
Standard:
CB/T 3557-1995
Classification:
According to the air flow rate adjustment function, it is divided into: non-adjustable, adjustable.
According to the installation position: left type, right type.
Shape:
Rectangular
Principle:
The fire damper contains a temperature sensing element, which is made of T3 pure copper. The inner surface is dipped in fusible metal with a melting temperature of 70±3℃. When the high temperature from fire reaches damper, the temperature sensing element is melted and the switch is triggered to automatically close the damper to prevent the spread of fire. In addition, there is a pull line for manual control.
Datasheet:
| Nominal Size | Rectangular Channel Size | Flange Inner side | Flange Outer side | Flange Thickness | Bolt Row Space | Bolt Distance | Bolt Qty | |||||
| DN | a | b | a1 | b1 | A | B | δ | C | C1 | t | t1 | n |
| 100 | 60 | 140 | 65 | 145 | 115 | 195 | 3 | 95 | 176 | 95 | 88 | 6 |
| 80 | 120 | 85 | 125 | 135 | 175 | 115 | 156 | 115 | 78 | |||
| 125 | 60 | 220 | 65 | 225 | 115 | 275 | 95 | 255 | 95 | 85 | 8 | |
| 80 | 160 | 85 | 165 | 135 | 215 | 115 | 196 | 115 | 98 | 6 | ||
| 100 | 130 | 105 | 135 | 155 | 185 | 136 | 166 | 68 | 83 | 8 | ||
| 150 | 80 | 250 | 85 | 255 | 135 | 305 | 115 | 285 | 115 | 95 | ||
| 100 | 200 | 105 | 205 | 155 | 255 | 136 | 236 | 68 | 118 | |||
| 120 | 150 | 125 | 155 | 175 | 205 | 156 | 186 | 78 | 93 | |||
| 175 | 80 | 350 | 85 | 355 | 135 | 405 | 115 | 388 | 115 | 97 | 10 | |
| 100 | 250 | 105 | 255 | 155 | 305 | 136 | 285 | 68 | 95 | |||
| 120 | 210 | 125 | 215 | 175 | 265 | 156 | 246 | 78 | 82 | |||
| 200 | 100 | 350 | 105 | 355 | 155 | 405 | 136 | 388 | 68 | 97 | 12 | |
| 120 | 280 | 125 | 285 | 175 | 335 | 156 | 315 | 78 | 105 | 10 | ||
| 150 | 220 | 156 | 226 | 206 | 276 | 186 | 258 | 93 | 86 | |||
| 250 | 120 | 470 | 125 | 475 | 175 | 525 | 4 | 156 | 505 | 78 | 101 | 14 |
| 150 | 350 | 156 | 356 | 206 | 406 | 186 | 388 | 93 | 97 | 12 | ||
| 190 | 280 | 196 | 286 | 246 | 336 | 226 | 318 | 113 | 106 | 10 | ||
| 300 | 150 | 530 | 156 | 536 | 206 | 586 | 186 | 570 | 93 | 114 | 14 | |
| 190 | 390 | 196 | 396 | 246 | 446 | 226 | 428 | 113 | 107 | 12 | ||
| 240 | 300 | 247 | 307 | 297 | 357 | 279 | 339 | 93 | 113 | |||
| 350 | 190 | 550 | 196 | 556 | 246 | 606 | 226 | 588 | 113 | 98 | 16 | |
| 240 | 420 | 247 | 427 | 297 | 477 | 279 | 460 | 93 | 115 | 14 | ||
| 290 | 360 | 300 | 370 | 350 | 420 | 330 | 400 | 110 | 100 | |||
| 400 | 240 | 760 | 196 | 766 | 246 | 816 | 226 | 798 | 113 | 114 | 18 | |
| 290 | 550 | 217 | 557 | 297 | 607 | 279 | 588 | 93 | 98 | |||
| 350 | 460 | 300 | 470 | 350 | 520 | 330 | 500 | 110 | 100 | 16 | ||
| 450 | 240 | 730 | 247 | 737 | 297 | 787 | 279 | 768 | 93 | 96 | 22 | |
| 290 | 580 | 300 | 590 | 350 | 640 | 330 | 624 | 110 | 104 | 18 | ||
| 350 | 480 | 360 | 490 | 410 | 540 | 392 | 520 | 98 | 104 | |||
| 500 | 240 | 930 | 247 | 937 | 297 | 987 | 279 | 970 | 93 | 97 | 26 | |
| 290 | 730 | 300 | 740 | 350 | 790 | 330 | 770 | 110 | 110 | 20 | ||
| 350 | 600 | 360 | 610 | 410 | 660 | 392 | 642 | 98 | 107 | |||
| 600 | 290 | 1100 | 300 | 1110 | 350 | 1160 | 330 | 1140 | 110 | 114 | 26 | |
| 350 | 880 | 360 | 890 | 410 | 940 | 392 | 920 | 98 | 92 | 28 | ||
| 420 | 710 | 430 | 720 | 480 | 770 | 460 | 752 | 115 | 94 | 24 | ||
| 700 | 350 | 1240 | 360 | 1250 | 410 | 1300 | 392 | 1284 | 98 | 107 | 32 | |
| 420 | 990 | 430 | 1000 | 480 | 1150 | 460 | 1030 | 115 | 103 | 28 | ||
| 500 | 810 | 510 | 820 | 560 | 870 | 540 | 848 | 108 | 106 | 26 | ||
For more type or size of marine fire damper,pls contact us without any hesitate.
