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Fire damper

Category:

Air valve and accessories


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  • Details
  • Appearance and size
    • Commodity name: Fire damper
    • Commodity ID: 1060228001762729985
    1、 Product definition
    It is installed on the supply and return air pipes of the ventilation and air conditioning system, which are normally open. In case of fire, when the flue gas temperature in the pipe reaches 70 ℃, it is closed, and can meet the requirements of smoke leakage and fire resistance integrity within a certain period of time, and plays a role of smoke isolation and fire resistance. The first version of fire damper is composed of valve body, blade, actuator and temperature sensor.
     
    2、 Model description
    FHF①_②_ Ax B A-valve nominal width B-valve nominal height
    ① -- Product control mode:
    W: Automatic shutdown of temperature sensor control
    S: Manual control off
    DC: electric control electromagnet closed
    DJ: electric control motor closed
    DQ: electric pneumatic mechanism closed
    ② -- Product function code:
    F: With air volume adjustment function
    Y: With remote reset function
    K: With position signal feedback function after the valve is opened and closed in place
    For example:
    FHF-WSDC-K 630x400 indicates that it has the function of signal feedback after the temperature sensor (70 ℃) is closed automatically, manually, electrically controlled electromagnet is closed and the valve is closed in place.
     
    3、 Product features
    ① Low leakage and good airtightness;
    ② Strong corrosion resistance and long service life;
    ③ The valve can be opened and closed flexibly and the position feedback signal is accurate;
    ④ Good fire resistance integrity.
     
    4、 Performance parameters
    ① Nominal pressure: ≤ 300pa at ambient temperature;
    ② Applicable medium: air (flue gas);
    ③ Leakage amount: a. At ambient temperature, the leakage amount per unit area of the static pressure difference of 300 ± 15pa before and after the valve blade is ≤ 500m3/(m2);
    B. Within the specified fire resistance (GB/T15930) time, the static pressure at the front and back of the valve blade is 300 ± 15pa, and the leakage per unit area is ≤ 700m3/(m2);
     
     
  • Overall dimension

    rectangle

    circular

    Valve size

    No.

    B

    A

    160

    200

    250

    320

    400

    500

    630

    800

    1000

    1250

    1600

    2000

    1

    160

     

     

     

     

     

     

     

     

     

    2

    200

     

     

     

     

     

     

     

    3

    250

     

     

     

     

     

     

    4

    320

     

     

     

     

     

     

     

    5

    400

     

     

     

     

     

     

     

    6

    500

     

     

     

     

     

    √▲

     

    7

    630

     

     

     

     

     

     

    √▲

     

    8

    800

     

     

     

     

     

     

     

    √▲

    √▲

    9

    1000

     

     

     

     

     

     

     

     

     

     

    √▲

    √▲

    10

    1250

     

     

     

     

     

     

     

     

     

     

    √▲

    √▲

    Note: 1. ▲ combined type; 2. Sizes outside the above range can be made according to user requirements.

     

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