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Smoke Extraction Fire Proof Damper

Smoke Extraction Fire Proof Damper

Smoke Extraction Fire Proof Damper

Product Details:

Place of Origin: TIANJIN CHINA
Brand Name: BELL
Certification: ISO9001 CE
Model Number: FH

Payment & Shipping Terms:

Minimum Order Quantity: 10 sets
Price: USD 50 -580 set
Packaging Details: carton box
Delivery Time: 7-20 days
Payment Terms: T/T, L/C ,Paypal ,Western Union
Supply Ability: 1000 sets per week
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Detailed Product Description
Material: Galvanized Steel Sheet, Stainless Steel Sheet Size: Customized
Control: Motorized Operation Temperature: 70℃ Or 280℃


The smoke extraction fire proof damper is normally closed, when on fire, smoke sensors output electricity signal (DC 24V) through control center, and the electromagnet in the actuator acts, damper is automatically opened and start smoke extraction fan to extract smoke out, outputs the open electric signal. When the temperature getting up to 280℃, the fuse will act and the damper automatically close. The damper can be manually open. After the damper acting, it need reset it by manual.


Technical Specifications:

Product Smoke extraction fire proof damper
Material Galvanized steel sheet
Major component Damper body, damper blade, shaft, bushing, fuse, inspection door, actuator
Size Can be customized as request.
Fuse operated temperature 280℃
Fire resistance rating 1.5 h
Control voltage DC 24V
Action current 0.3A
Micro switch contacts capacity AC380V 3A
Air leakage <500m3/ m2‧ h
Resistance coefficient fully open <0.5


Smoke Extraction Fire Proof Damper

Contact Details
Tianjin Bell Automatic Instrument Technology Co., Ltd

Contact Person: Mr. Jack

Fax: 0086-22-27529983

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