Marine Round Pneumatic Explosion Proof Fire Damper

  • Category:Marine Fire Damper
  • Material:Steel, Stainless Steel
  • Standards:CB/T3557-1995
  • Certificate:CCS, BV, ABS, DNV/GL, NK, IRS, RMRS, KR,LR
  • Fob Price:Get Latest Price Now
  • Place of Origin:China
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Details

China Marine Round Pneumatic Explosion Proof Fire Damper:

Fire damper is installed on the ventilation duct with fire requirement, used to prevent the fire from spreading. When on fire, the temperature in the duct reaches 70℃, the fire damper will automatically close quickly to avoid fire spreading. Pneumatic explosion proof fire damper is controlled by the pneumatic actuator.

Technical Specification:

Design Standard: CB/T3557-1995

Shape: Round, Rectangular

Blade Type: Single Blade, Multi Blades

Material: Steel, Stainless Steel, Steel with Galv

Main Parts: pneumatic actuator, temperature detector, damper body, damper plate, main shaft, flange.

Fireproof Class: A0,A15, A30, A60

Certificate:ABS,BV,CCS,DNV,GL,LR,NK,KR

Main Functions & Features:

1)The fire damper is opened under the normal situation.
2) When the temperature within the duct reaches 70 ± 3 ℃, the temperature fuse is blown, the damper is closed automatically.
3)The fire damper can be closed by dragging the manual steel dragline, the dragline length is nornally 1.5meter.

4) The damper needs to be reset manually.

Main Size List(mm):

DN D D1 n L
80 135 116 4 320
100 155 136 6
125 180 161 6
150 205 186 6
175 230 211 8
200 255 236 8
250 305 286 12
300 355 336 12
350 405 386 12
400 455 436 16
450 510 492 16
500 560 542 20
600 660 642 20
700 760 742 24
800 860 842 28
900 960 942 28
1000 1060 1042 32

L can be decided by the customer. But in the type approval certifiate, L=320mm

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Email: sales@jinbomarine.com

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