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  • FHF WSDq-YK防火阀（矩形）.jpg

FHF WSDq-YK fire damper (rectangular)

Main components: valve body, valve disc, shaft, bushing, fuse, inspection port, actuator. The valve body and disc are made of high-quality galvanized steel plate, which has the advantages of beautiful appearance, good corrosion resistance, and long service life.
  • Commodity name： FHF WSDq-YK fire damper (rectangular)

Category:

Fire Damper

Email:

asli@shinelong.com

Phone:

18221910198

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  • Technical parameters

  • FHF WSDq-YK Fire Damper (Rectangular)

     

    ● Main components: valve body, valve blade, shaft, bushing, fuse, inspection port, actuator.
    ● The valve body and blades are all made of high-quality galvanized steel plate, with the advantages of beautiful appearance, good corrosion resistance, and long service life.
    ● The valve combination adopts the internationally advanced sheet metal connection technology - TOX weld-free connection process.
    ● A V-shaped anti-slip structure is designed between the blade and the rotating shaft to ensure that the blade does not slip or loosen under high wind speed.
    ● The blade rotating bearing and connecting rod rotating bearing both use oil-containing copper powder metallurgy bushings, requiring no lubrication and ensuring permanent lubrication.
    ● Normally open, automatically closes and outputs a closing signal when the power or gas source is cut off in case of fire.
    ● The valve can be manually closed or closed by a 70 ℃ fuse.
    ● After the valve operates, it automatically resets when power and gas are restored.
    ● It can be remotely closed electrically and manually.
    ● Explosion-proof function can be added.
    ● When W≥1250, an intermediate frame is added, and the blades are separated.
    ● When H≥1500, 2 actuators are installed.
  • Air leakage < pressure difference 300Pa> ≤500m3/m2  •h
    Valve fire rating 1.5h
    Fuse operating temperature 70 ℃
    Control voltage DC 24V
    Control air source pressure 0.4~0.6MPQ
    Operating time Instantaneous
    Resistance coefficient when fully open <0.5

Keywords:

Fire damper

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