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Galvanized Sheet 70 Degrees HVAC Fire Dampers For Ductwork

    Buy cheap Galvanized Sheet 70 Degrees HVAC Fire Dampers For Ductwork from wholesalers
     
    Buy cheap Galvanized Sheet 70 Degrees HVAC Fire Dampers For Ductwork from wholesalers
    • Buy cheap Galvanized Sheet 70 Degrees HVAC Fire Dampers For Ductwork from wholesalers

    Galvanized Sheet 70 Degrees HVAC Fire Dampers For Ductwork

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    Brand Name : SX
    Certification : CE,ISO9001
    Price : Negotiation
    Delivery Time : To be negotiated
    Payment Terms : T/T; L/C
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    Galvanized Sheet 70 Degrees HVAC Fire Dampers For Ductwork

    Fire hydrant

    * Manual control type
    * Normally open, the valve will close after the break-down of fuse when the temperature reaches high degrees , stop the smoke to extend along the air duct.
    * It can work as a volume control damper when open to adjust the air volume. The blade is reset by manually.


    Fire damper performance parameter table
    Serial numbernameperformance parameters
    1Standard flange specificationsValve long side b or diameter D (mm)Flange side width (mm)
    D≤28020
    280≤D≤630,b≤63025
    630<D1250,630<b≤125030
    1250<D≤2000,1500<b≤250040
    D>2000,2500<b≤400050
    2Temperature sensorvalve static nominal operating temperature 70℃ (valve closes automatically)
    3MaterialValve body2~3mmQ235-A
    Bles2mm708-88 Cold rolled plate
    AxshaftGB905-82 Cold pull round steel Ф12
    Axft sleeveOil-containing metallurgical powder copper sleeve
    4Local resistance coefficientResistance coefficient of ≤ 0.5 at full opening
    5Paint treatmentGround floor rust proof primer (second floor), outer fire proof paint (medium ash steel paint)
    6Rated voltageDC24V±10%
    Rated current0.7A
    Micro switchAC380V,3A
    Torque10~70Kg.f/cm
    Action modeautomatic, electric, manual or 70℃ to close the valve
    7Fire control valveReset method (open state)Manual reset
    Smoke and fire control valveManual reset
    Smoke and fire damperManual reset
    Remote control smoke and fire damperRemote control manual reset
    Automatic reset fire damperElectric reset
    8Air leakageIn the standard state, when the pressure difference on both sides of the valve is 500Pa after the valve is closed, no more than 700mm³/㎡/h

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